CUTTABLE KNITTED FABRIC AND METHOD FOR MANUFACTURING THE SAME

A cuttable knit fabric of the present invention may comprise: a knitted fabric woven with a single yarn; a first reinforcing part disposed to correspond to a central portion on the lower surface of the knitted fabric; and a second reinforcing part disposed to surround the periphery of the first reinforcing part on the lower surface of the knitted fabric. A first reinforcing fiber of the first reinforcing part and a first reinforcing fiber of the second reinforcing part may be formed by tangling with the yam of the knitted fabric. The first reinforcing part and the second reinforcing part may be formed of different materials. The first reinforcing part and the second reinforcing part may have different tensile strengths.

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Description
TECHNICAL FIELD

The present disclosure relates to a cuttable knitted fabric and a method for manufacturing the same.

BACKGROUND ART

In general, a knitted web is made by weaving a desired shape using a single yarn. As an example, in the case of making a sweater by the knitted web, the sweater is made by weaving the knitted web with a single yarn to weave the entire garment, or by knitting front and back plates separately and coupling them by sewing.

Since the entire knitted web is made of one yarn, when the yarn is cut in one part, the knitted web may be unraveled as the yarn is unraveled. Therefore, there is a problem in that a general knitted fabric is difficult to cut unlike other textiles.

DISCLOSURE Technical Problem

An object of the present disclosure is to provide a cuttable knitted fabric and a method for manufacturing the same.

An object of the present disclosure is to provide a cuttable knitted fabric that has high tensile strength and a method for manufacturing the same.

An object of the present disclosure is to provide a cuttable knitted fabric to be suitable for various shapes and various uses and a method for manufacturing the same.

Technical Solution Advantageous Effects

In the knitted fabric and the method for manufacturing the same according to the present disclosure, it is possible to prevent the yarn constituting the knitted web from becoming unraveled and cut the knitted fabric into a necessary shape.

In the knitted fabric and the method for manufacturing the same according to the present disclosure, it is possible to increase strength by the reinforcing portion.

In the knitted fabric and the method for manufacturing the same according to the present disclosure, it is possible to provide the cuttable knitted fabric to be suitable for various shapes and various uses.

DESCRIPTION OF DRAWINGS

FIG. 1 is a photograph of an upper surface of a cuttable knitted fabric according to one embodiment of the present disclosure.

FIG. 2 is a photograph of a lower surface of the knitted fabric of FIG. 1.

FIG. 3 is a vertical cross-sectional view of the cuttable knitted fabric according to one embodiment of the present disclosure.

FIG. 4 is a photograph of an end of the knitted fabric of FIG. 1 cut along an “A” line.

FIG. 5 is a photograph illustrating that curl-up occurs in a general knitted fabric.

FIG. 6 is a photograph illustrating clothes and accessories made of the knitted fabric of the present disclosure.

FIG. 7 is a process diagram of a method for manufacturing a cuttable knitted fabric according to one embodiment of the present disclosure.

FIG. 8 is a photograph illustrating a cuttable knitted fabric according to one embodiment of the present disclosure.

FIG. 9 is a view illustrating an example of a cross-section of a cuttable knitted fabric that is cut along a line “B” illustrated in FIG. 8.

FIG. 10A is a view illustrating a knitted web of a cuttable knitted fabric and an arrangement form of a first reinforcing portion and a second reinforcing portion according to one embodiment of the present disclosure.

FIG. 10B is a view illustrating the knitted web of the cuttable knitted fabric and an arrangement form of the first reinforcing portion and the second reinforcing portion according to one embodiment of the present disclosure.

FIG. 10C is a view illustrating the knitted web of the cuttable knitted fabric and an arrangement form of the first reinforcing portion, the second reinforcing portion, and a third reinforcing portion according to one embodiment of the present disclosure.

FIG. 11 is a process diagram for the method for manufacturing the cuttable knitted fabric illustrated in FIG. 9.

FIG. 12 is a view illustrating an example of a cross-section of a cuttable knitted fabric that is cut along the line “B” illustrated in FIG. 8.

FIG. 13 is a view illustrating an example of a reinforcing fiber additionally disposed below the second reinforcing portion.

FIG. 14 is a process diagram for the method for manufacturing a cuttable knitted fabric illustrated in FIG. 12.

FIG. 15 is a view illustrating a hand knitting machine for forming the knitted web.

FIG. 16 is a view illustrating a needle punching machine for entangling the knitted web and a reinforcing material.

FIG. 17 is a view illustrating a heat treatment machine for applying heat to the knitted web and the reinforcing material, and for spraying steam.

 MODE FOR DISCLOSURE

Hereinafter, first, a cuttable knitted fabric according to one embodiment of the present disclosure will be described.

FIG. 1 is a photograph of an upper surface of a cuttable knitted fabric according to one embodiment of the present disclosure. FIG. 2 is a photograph of a lower surface of the knitted fabric of FIG. 1. FIG. 3 is a vertical cross-sectional view of the cuttable knitted fabric according to one embodiment of the present disclosure. FIG. 4 is a photograph of an end of the knitted fabric of FIG. 1 cut along an “A” line.

Referring to FIGS. 1 to 4, a cuttable knitted fabric 100 according to one embodiment of the present disclosure may include a knitted web 110 and a reinforcing portion 120.

The cuttable knitted fabric 100 may be formed of a fabric that can be cut by coupling an upper surface or a lower surface of the knitted web 110 and the reinforcing portion 120 inside the knitted web 110. In the cuttable knitted fabric 100, the reinforcing portion 120 is generally coupled to the knitted web 110 having a substantially plate shape, and thus, strength of the knitted fabric 100 can be higher than that of the knitted web 110.

FIG. 5 is a photograph illustrating that curl-up occurs in a general knitted fabric.

Referring to FIG. 5, a general knitted fabric has a problem in that a curl-up phenomenon occurs in which an edge portion is curled due to unique characteristics of the knitted web. In addition, in the case of the general knitted fabric having a yarn break in any one portion, the knitted web may be unraveled as the yarn is unraveled. For this reason, a general knitted fabric cannot be cut, unlike a textile, and there is a limitation in producing products of various designs.

As illustrated in FIGS. 3 and 4, in the cuttable knitted fabric 100 of the present disclosure, the reinforcing portion 120 supports the knitted web 110 as a whole to prevent curl-up from occurring. In addition, since the cuttable knitted fabric 100 is fixed to the knitted web 110 while the reinforcing portion 120 is coupled to the knitted web 110, the yarn is not unraveled even when the yarn of the knitted web 110 is cut during the cutting process. In addition, since the cuttable knitted fabric 100 has the knitted web 110 as a basic skeleton and reinforcing fibers are coupled, the knitted fabric 100 has good elasticity and flexibility and does not wrinkle. In addition, the cuttable knitted fabric 100 may have good heat retention and breathability, and may have waterproof properties.

The knitted web 110 may be formed by woven in a substantially plate shape by a single yarn. The yarn may be formed to include mohair, cotton yarn, or nylon. In addition, the yarn may be formed by mixing at least two types of mohair, cotton, and nylon. The knitted web 110 may be formed to include a through hole in which the yarns are spaced apart from each other and formed between the yarns. The knitted web 110 may be formed of yarns of various thicknesses or diameters. The knitted web 110 may be formed in a polygonal plate shape, such as a disk shape, a square plate shape, or a hexagonal plate shape. The knitted web 110 may be formed of a general knitted fabric.

Meanwhile, the cuttable knitted fabric 100 may include a plurality of knitted fabrics 110 woven by a single yarn. In this case, the knitted web 110 may be arranged so that side surfaces of the knitted web are in contact with each other or are spaced apart from each other in the knitted fabric 100. In this case, the plurality of knitted fabrics 110 may be fixed while being coupled to one reinforcing portion 120.

The reinforcing portion 120 may include an upper reinforcing layer 121, a lower reinforcing layer 122, an inner reinforcing layer 123, and an edge layer 124. The reinforcing portion 120 may be coupled to the knitted web 110 in the entire region of the knitted web 110. The upper reinforcing layer 121, the lower reinforcing layer 122, the lower reinforcing layer 122, and the edge layer 124 are coupled to each other. The upper reinforcing layer 121, the lower reinforcing layer 122, the lower reinforcing layer 122, and the edge layer 124 may be integrally formed. The upper reinforcing layer 121 and the lower reinforcing layer 122 may be formed to have the same thickness or different thicknesses.

The reinforcing portion 120 may be formed while reinforcing fibers positioned above and below the knitted web 110 are coupled to the knitted web 110. The reinforcing fiber may be a material having its own entanglement, such as fine fibers thinner than a yarn, a thread, or a fiber.

As an example, the reinforcing fiber may be formed of wool (woolen material, lamb's wool, merino wool, pima wool), cotton wool, or nylon cotton. The reinforcing fibers may be formed by mixing two or more materials selected from wool (woolen material, lamb's wool, merino wool, pima wool), cotton wool, and nylon cotton.

The reinforcing fibers of the reinforcing portion 120 have a property of being tangled with each other, and may be introduced into the yarn of the knitted web 110 and coupled to the yarn while being tangled. The reinforcing fibers of the reinforcing portion 120 may be coupled to the yarns of the knitted web 110 through a needling process. The reinforcing fibers of the reinforcing portion 120 may fix the yarn of the tissue of the knitted web 110 while filling the inside or the tissue of the knitted web 110. Since the reinforcing fiber is thinner than the yarn, the reinforcing fiber may be easily introduced into the yarn. The reinforcing fibers may be formed into the knitted fabric 100 that can be cut by changing the physical properties of the knitted web 110 while being coupled to the knitted web 110.

The reinforcing fibers of the reinforcing portion 120 may prevent the knitted web 110 from being unraveled when the knitted web 110 is cut. The reinforcing portion 120 may reduce the loosening property of the knitted web 110. In addition, while the reinforcing fibers of the reinforcing portion 120 are coupled to the knitted web 110, the cuttable knitted fabric 100 may maintain a constant shape. That is, the reinforcing fibers may be maintained in a layer shape on the upper and lower surfaces of the knitted web 110 while being coupled to the yarn of the knitted web 110.

Meanwhile, the reinforcing portion 120 may be formed by mixing reinforcing fibers with an adhesive such as glue and needling the reinforcing fibers to be coupled to the knitted web 110. When the adhesive is used, a bonding force between the reinforcing portion 120 and the knitted web 110 may be further increased.

The upper reinforcing layer 121 may be formed by layering reinforcing fibers on the upper surface of the knitted web 110. The upper reinforcing layer 121 may be formed to have a predetermined thickness. The upper reinforcing layer 121 may be formed to entirely cover the upper surface of the knitted web 110. The upper reinforcing layer 121 may be coupled to the yarn while some of the reinforcing fibers are introduced into the yarn. The upper reinforcing layer 121 may be formed in a region including the upper portion of the yarn and the upper portion of the through hole. The upper reinforcing layer 121 may be formed to have different thicknesses in the region of the yarn, that is, in the region in contact with the yarn and the upper region of the through hole. The upper reinforcing layer 121 may be formed such that at least a portion of the yarn is exposed. The upper reinforcing layer 121 may be formed to have an appropriate thickness according to an amount of reinforcing fiber positioned on the upper portion of the knitted web 110 during the needling process. The thickness of the upper reinforcing layer 121 may be adjusted by adjusting the amount of reinforcing fiber used.

The lower reinforcing layer 122 may be formed by layering reinforcing fibers on the lower surface of the knitted web 110. The lower reinforcing layer 122 may be formed to have a predetermined thickness. The lower reinforcing layer 122 may be formed to entirely cover the lower surface of the knitted web 110. The lower reinforcing layer 122 may be coupled to the yarn while a portion of the reinforcing fibers are introduced into the yarn. The lower reinforcing layer 122 may be formed in a region including a lower portion of the yarn and a lower portion of the through hole. The upper reinforcing layer 121 may be formed to have different thicknesses in the region of the yarn, that is, in the region in contact with the yarn and the upper region of the through hole. The lower reinforcing layer 122 may be formed such that at least a portion of the yarn is exposed. The lower reinforcing layer 122 may be formed to have an appropriate thickness according to the amount of reinforcing fiber positioned below the knitted web 110 during the needling process.

The lower reinforcing layer 122 may be formed by filling the inner side of the through hole of the knitted web 110 with reinforcing fibers. In addition, the lower reinforcing layer 122 may be formed so that some of the reinforcing fibers introduced into the yarn of the knitted web 110. That is, the lower reinforcing layer 122 may be positioned so that the reinforcing fibers penetrate into the yarn. The lower reinforcing layer 122 is integrally formed with the upper reinforcing layer 121 and the lower reinforcing layer 122 and is coupled thereto. Accordingly, the lower reinforcing layer 122 allows the reinforcing portion 120 to be coupled to the knitted web 110.

The inner reinforcing layer 123 may be formed by filling the through hole with reinforcing fibers. The inner reinforcing layer 123 may be integrally formed with the upper reinforcing layer 121 and the lower reinforcing layer 122 to fix the upper reinforcing layer 121 and the lower reinforcing layer 122.

The edge layer 124 may be formed such that the reinforcing fibers form a band shape on the edge of the knitted web 110. The edge layer 124 may be formed in a band shape while the reinforcing fibers are stretched. The edge layer 124 may be formed to have a predetermined thickness. The edge layer 124 may be formed without the knitted web 110 therein. An outer end of the edge layer 124 may be formed in an irregular shape. For example, a distance of the edge layer 124 from the knitted web to the outer end may be irregular. The edge layer 124 may be formed to surround the periphery of the knitted web 110. The edge layer 124 may support the periphery of the knitted web 110 while being integrally formed with the upper reinforcing layer 121 and the lower reinforcing layer 122. Accordingly, the edge layer 124 may prevent the yarn of the knitted web 110 from being unraveled during use of the knitted fabric 100. In addition, the edge layer 124 supports the edge of the knitted web 110 so that the knitted web is not unraveled when the yarn of the knitted web 110 is cut.

FIG. 6 is a photograph illustrating clothes and accessories made of the knitted fabric of the present disclosure.

Referring to FIG. 6, in the cuttable knitted fabric 100 of the present disclosure, the knitted web 110 and the reinforcing portion 120 are entangled with each other as a whole, so that curl-up and loosening of the yarn do not occur after being cut. Through this, the cuttable knitted fabric 100 can be cut into various sizes and various shapes, and thus, the knitted fabric can be used as a material for various products. The cuttable knitted fabric 100 may be used in the production of sweaters, clothing such as coats, handbags, and accessories such as bags.

Hereinafter, a method for manufacturing a cuttable knitted fabric according to one embodiment of the present disclosure will be described.

FIG. 7 is a process diagram of the method for manufacturing a cuttable knitted fabric according to one embodiment of the present disclosure.

Referring to FIGS. 1 and 7, the method for manufacturing a cuttable knitted fabric includes a step S10 of providing knitted web 110, a step S20 of disposing reinforcing fiber, and a step S30 of coupling the knitted web 110 and the reinforcing fiber. The method for manufacturing a knitted fabric may further include a step S40 of post-treatment applying moisture and heat to the needle fabric.

The step S10 of providing the knitted web 110 is a step of preparing the knitted web 110. The knitted web 110 may have an appropriate size and shape according to the required fabric. The knitted web 110 may be formed in a plate shape. The knitted web 110 may be formed by weaving a single yarn.

The step S20 of disposing the reinforcing fibers is a step of disposing the reinforcing fibers on the upper and lower surfaces of the knitted web 110. As the reinforcing fibers, a member having entanglement such as a woolen material or cotton may be used. Preferably, the reinforcing fibers may be sequentially disposed on the upper and lower surfaces of the knitted web 110. For example, the reinforcing fibers may be first disposed on the upper surface of the knitted web 110, and the reinforcing fibers may be disposed on the lower surface of the knitted web 110 in an inverted state. Alternatively, the reinforcing fiber may be first disposed on a separate plate, and after the knitted web 110 is disposed on the reinforcing fiber, the reinforcing fiber may be disposed on the upper surface of the knitted web 110 again. The reinforcing fibers may be disposed on the edge of the knitted web 110 in addition to the upper and lower surfaces. The reinforcing fibers may be stacked on the knitted web 110 as a whole. The reinforcing fibers may be stacked in at least one bundle according to the total area of the knitted web. In addition, the reinforcing fibers may be entirely stacked on the knitted web 110 in a plurality of small bundles. A bundle of a plurality of reinforcing fibers disposed on the upper surface of the knitted web 110 may be disposed to be alternately disposed with a bundle of reinforcing fibers disposed on a lower surface of the knitted web 110.

The step S30 of coupling the knitted web 110 and the reinforcing fiber is a step of forming a needle fabric by coupling the reinforcing fiber to the knitted web 110. The step of coupling the knitted web 110 with the reinforcing fiber may be a needling process. The reinforcing fibers disposed on the upper and lower surfaces of the knitted web 110 may be coupled to the knitted web 110 through the needling process. In this case, the needling process may be performed while supplying a separate adhesive to the reinforcing fibers and the knitted web 110. The adhesive may increase bonding strength between the reinforcing fibers and the knitted web 110. The needling process may be performed while repeatedly passing the needle through the knitted web 110 on which the reinforcing fibers are disposed. The needle may be a felt needle. The reinforcing fibers need to be uniformly coupled to the knitted web 110. In order for the needle fabric to be cuttable, it is necessary that the needling process be performed with a consistent force and a consistent amount. The needling process may be preferably performed using a needling device. Meanwhile, the needling process may be performed as a general needling process. The needling process may be repeated in a state where the upper surface of the knitted web 110 faces upward, and in addition, the process proceeds again with the lower surface of the knitted web 110 facing upward. Through the reinforcing fiber coupling step, the knitted fabric may be formed with an upper reinforcing layer, a lower reinforcing layer, and an inner reinforcing layer on the knitted web 110. In addition, the knitted fabric may be formed with an edge layer 124 surrounding the periphery of the knitted web 110.

The post-treatment step S40 is a step of performing by supplying moisture to the needle fabric and applying a predetermined temperature to perform drying and curing. The post-treatment step may be performed by an appropriate method depending on the use of the knitted fabric.

As an example, the cuttable knitted fabric 100 may be treated by immersion in water. In this case, hot water and cold water may be used as the water. Here, the hot water is water having a temperature higher than room temperature, and may be water of 40 to 80° C. The cold water is water having a temperature lower than room temperature, and may be water of 10 to 20° C. The cuttable knitted fabric 100 may be treated by alternately immersing the knitted fabric 100 in hot and cold water. The cuttable knitted fabric 100 may be shrunk in advance through the post-treatment. Accordingly, the cuttable knitted fabric 100 may be reduced in shrinkage during use.

In addition, in the post-treatment step, the cuttable knitted fabric 100 may be treated by spraying water or spraying high-temperature and high-pressure steam.

In addition, the cuttable knitted fabric 100 may be immersed in a soap solution and rubbed against each other. The soap solution may be maintained at a temperature of 40 to 80° C. The cuttable knitted fabric 100 is rubbed against each other in a state of being immersed in the soap solution, the reinforcing fibers are tangled, and thus, the bonding force between the reinforcing fibers and the knitted web 110 may be increased. In addition, the cuttable knitted fabric 100 may be immersed in soap solution and contracted while rubbing and thickened. The cuttable knitted fabric 100 may have a dense texture and a softer feel.

FIG. 8 is a photograph illustrating a cuttable knitted fabric 200 according to one embodiment of the present disclosure. FIG. 9 is a photograph illustrating an example of a cross-section of the cuttable knitted fabric 200 that is cut along a line “B” illustrated in FIG. 8.

Referring FIGS. 8 and 9, the cuttable knitted fabric 200 according to one embodiment of the present disclosure may include a knitted web 210, a first reinforcing portion 220, and a second reinforcing portion 230. In the cuttable knitted fabric 200, the first reinforcing portion 220 and the second reinforcing portion 230 may be coupled to one of a front surface (or upper surface) and a back surface (or lower surface) of the knitted web 210.

As an example, in the cuttable knitted fabric 200, the first reinforcing portion 220 and the second reinforcing portion 230 may be coupled to the back surface (or lower surface) of the knitted web 210 to increase tensile strength. The first reinforcing portion 220 and the second reinforcing portion 230 may be formed of different materials and may have different tensile strengths. As an example, the first reinforcing portion 220 may have a high tensile strength in an X-axis direction, and the second reinforcing portion 230 may have a high tensile strength in a Y-axis direction. As an example, the first reinforcing portion 220 may have a high tensile strength in the Y-axis direction, and the second reinforcing portion 230 may have a high tensile strength in the X-axis direction.

FIG. 10A is a view illustrating the knitted web of the cuttable knitted fabric and an arrangement form of the first reinforcing portion and the second reinforcing portion according to one embodiment of the present disclosure.

Referring to FIGS. 8, 9, and 10A, the first reinforcing portion 220 may be disposed to correspond to a partial region of the back surface (or lower surface) of the knitted web 210. As an example, the first reinforcing portion 220 may be disposed to correspond to a central portion of the back surface (or lower surface) of the knitted web 210.

The second reinforcing portion 230 may be disposed to correspond to a partial region of the back surface (or lower surface) of the knitted web 210. As an example, the second reinforcing portion 230 may be disposed to correspond to an edge of the back surface (or lower surface) of the knitted web 210. The second reinforcing portion 230 may be disposed to surround the periphery of the first reinforcing portion 220.

The first reinforcing portion 220 and the second reinforcing portion 230 may be formed of different materials. The first reinforcing portion 220 disposed to correspond to the central portion of the knitted web 210 may be formed of a fiber material having a cushioning feeling and soft characteristics. The second reinforcing portion 230 disposed to correspond to the edge of the knitted web 210 may be formed of a fibrous material having high rigidity to prevent the knitted web 210 from being unraveled.

In FIG. 10A, the first reinforcing portion 220 and the second reinforcing portion 230 are illustrated as having a circular shape. However, the present disclosure is not limited thereto, and the shapes of the first reinforcing portion 220 and the second reinforcing portion 230 may be variously changed according to the shape of the cuttable knitted fabric 200 (for example, a square, a rhombus, a trapezoid, or the like).

Again, referring to FIG. 9, the first reinforcing portion 220 and the second reinforcing portion 230 may support the knitted web 210 as a whole to prevent curl-up from occurring. In addition, in the cuttable knitted fabric 200, the first reinforcing portion 220 and the second reinforcing portion 230 are coupled to the knitted web 210, and thus, the yarn of the knitted web 210 and the reinforcing fibers constituting the first reinforcing portion 220 and the second reinforcing portion 230 are entangled with each other. Since the first reinforcing portion 220 and the reinforcing portion 230 fix the knitted web 210, the yarn is not unraveled even when the yarn of the knitted web 210 is cut during the cutting process. In addition, since the cuttable knitted fabric 200 is formed by having the knitted web 210 as a basic skeleton and coupling the first reinforcing portion 220 and the second reinforcing portion 230 using reinforcing fibers as a material, the knitted fabric 200 has good elasticity and flexibility and does not wrinkle. The knitted web 210 may be formed by being woven in a substantially plate shape using a single yarn.

FIG. 10B is a view illustrating the knitted web of the cuttable knitted fabric and an arrangement form of the first reinforcing portion and the second reinforcing portion according to one embodiment of the present disclosure.

Referring to FIG. 10B, shapes of a first reinforcing portion 220-1 and a second reinforcing portion 230-1 may be variously changed according to the shape of the cuttable knitted fabric 200-1. As an example, the knitted web 210-1 may be formed in a rectangular shape (for example, a square shape, a rectangular rigid shape), and the first reinforcing portion 220-1 and the second reinforcing portion 230-1 may be formed in an elliptical shape. That is, the knitted web 210-1, the first reinforcing portion 220-1, and the second reinforcing portion 230-1 may be formed in different shapes.

The first reinforcing portion 220-1 may be disposed to correspond to a central portion of a back surface (or lower surface) of the knitted web 210-1. The second reinforcing portion 220-2 may be disposed to correspond to an edge of the back surface (or lower surface) of the knitted fabric 21-1. The second reinforcing portion 230-1 may be disposed to surround the periphery of the first reinforcing portion 220-1.

The first reinforcing portion 220-1 and the second reinforcing portion 230-1 may be formed of different materials. The first reinforcing portion 220-1 disposed to correspond to the central portion of the knitted web 210-1 may be formed of a fiber material having a cushioning feeling and soft characteristics. The second reinforcing portion 230-1 disposed to correspond to the edge of the knitted web 210-1 may be formed of a fiber material having a strong characteristic so that the knit of the knitted web 210-1 is not unraveled.

FIG. 10C is a view illustrating the knitted web of the cuttable knitted fabric and an arrangement form of the first reinforcing portion, the second reinforcing portion, and a third reinforcing portion according to one embodiment of the present disclosure.

The first reinforcing portion 220-2, a second reinforcing portion 230-2, and a third reinforcing portion 240-2 having different shapes may be disposed on a back surface (or lower surface) of the knitted web 210-2. As an example, the first reinforcing portion 220-2 may be formed in a circular shape. The second reinforcing portion 230-2 may be formed in a rhombus shape. The third reinforcing portion 240-2 may be formed in an elliptical shape.

The first reinforcing portion 220-2 may be disposed to correspond to the central portion of the knitted web 210-2. The second reinforcing portion 230-2 may be disposed to surround the periphery of the first reinforcing portion 220-2. The third reinforcing portion 240-2 may be disposed around the second reinforcing portion 230-2.

The first reinforcing portion 220-2, the second reinforcing portion 230-2, and the third reinforcing portion 240-2 may be formed of different materials. The first reinforcing portion 220-2 disposed to correspond to the central portion of the knitted web 210-2 may be formed of a fiber material having cushioning and soft properties. The second reinforcing portion 230-2 disposed to correspond to the edge of the knitted web 210-2 may be formed of a fiber material having high rigidity to prevent the knit of the knitted web 210-2 from being unraveled. The third reinforcing portion 240-2 disposed around the second reinforcing portion 230-2 may be formed of a fibrous material having high rigidity to prevent the knit of the knitted web 210-2 from being unraveled. Here, directions of tensile strengths of the second reinforcing portion 230-2 and the third reinforcing portion 240-2 are formed to be different from each other. Accordingly, even when the knitted web 210-2 extends in the X-axis direction, the Y-axis direction, and the diagonal direction, it is possible to maintain the shape of the knitted web 210-2 and prevent the knit of the knitted web 210-2 from being unraveled.

The yarn of the knitted web 210, 210-1, or 210-2 may include wool, lana merino wool, nylon, polyamide, or acrylic.

The present disclosure is not limited thereto, and the yarn of the knitted web 210, 210-1, or 210-2 may include a mixed blend obtained by mixing at least two of wool, lana merino wool, nylon, polyamide, and acrylic.

The present disclosure is not limited thereto, and the yarn of the knitted web 210, 210-1, or 210-2 may include a mixed blend obtained by mixing wool of 35%, polyamide of 25%, and acrylic of 40%.

The present disclosure is not limited thereto, and a ratio (%) of materials constituting the yarn of the knitted web 210, 210-1, or 210-2 may be changed according to clothing and accessories made of the cuttable knitted fabric 200, 200-1, or 200-2.

The knitted web 210, 210-1, or 210-2 may be produced to have a weaving thickness of 5 mm to 12 mm using a hand knitting machine. A length of the knitted web 210, 210-1, or 210-2 in the first direction may be formed to be 50 cm to 150 cm, and a length in the second direction may be formed to be 100 cm to 250 cm. The present disclosure is not limited thereto, and length of the knitted web 210, 210-1, or 210-2 in the first direction and the second direction are not limited. As the size is reduced by steam and heat treatment during the manufacturing process of the cuttable knitted fabric 200, 200-1, or 200-2, in consideration of the reduced length, the length of the knitted fabric 210, 210-1, or 210-2 in the first direction and the second direction may be set. Here, according to the number of needling for mixing the knitted web 210, 210-1, or 210-2 and the reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2, and 240-2, the number of heating and the heating temperature for the knitted web 210, 210-1, or 210-2 and reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2, and 240-2, and the number of steaming and the steam temperature applied to the knitted web 210, 210-1, or 210-2 and the reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2, and 240-2, the ratio % of reduced lengths in the first direction and the second direction may be changed.

As an example, during the manufacturing process of the cuttable knitted fabric 200, 200-1, or 200-2, the lengths in the first direction and the second direction may be reduced by approximately 20%. In this case, in order to form the cuttable knitted fabric 200, 200-1, or 200-2 having a length of 100 cm in the first direction and 150 cm in the second direction, the knitted web 210, 210-1, or 210-2 and the reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2, and 240-2 may have a length of 120 cm in the first direction and a length of 180 cm in the second direction. By performing the manufacturing process using the knitted web 210, 210-1, or 210-2 and the reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2, and 240-2 having the length of 120 cm in the first direction and 180 cm in the second direction, it is possible to form the cuttable knitted fabric 200, 200-1, or 200-2 having the length of 100 cm in the first direction and the length of 150 cm in the second direction.

The cuttable knitted fabric 200, 200-1, or 200-2 may include the plurality of knitted webs 210, 210-1, or 210-2 woven by one yarn. In this case, the knitted web 210, 210-1, or 210-2 may be arranged so that side surfaces of knitted web are in contact with each other or are spaced apart from each other in the cuttable the knitted fabric 200, 200-1, or 200-2. In this case, the plurality of knitted webs 210, 210-1, or 210-2 may be fixed to be coupled to one of the reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2 and 240-2.

The reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2, and 240-2 may be formed so that the reinforcing fibers positioned below the knitted web 210, 210-1, or 210-2 are coupled to the knitted web 210, 210-1, or 210-2. The reinforcing fibers of the reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2, and 240-2 may be formed of a material having its own entanglement such as a fine fiber, a thread, or a fiber thinner than the yarn.

As an example, the reinforcing fibers may be formed of wool (woolen material, lamb's wool, merino wool, pima wool), cotton wool, or poly (for example, nylon) cotton.

As an example, the reinforcing fibers may be formed by mixing two or more materials selected from wool (woolen material, lamb's wool, merino wool, pima wool), cotton, and poly (for example, nylon) cotton.

The reinforcing fibers of the reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2, and 240-2 have a property of being entangled with each other, and the reinforcing fibers are introduced into the yarn of the knitted web 210, 210-1, or 210-2 and entangled, and thus, may be coupled to the yarns of the knitted web 210, 210-1, or 210-2. The reinforcing fibers of the reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2, and 240-2 may fix the yarns of the tissues of the knitted web 210, 210-1, or 210-2 while filling the inside or the tissues of the knitted web 210, 210-1, or 210-2. Since the reinforcing fibers are thinner than the yarns of the knitted fabrics 210, 210-1, or 210-2, the reinforcing fibers may be easily introduced into the yarns. The reinforcing fiber may be coupled to the knitted web 210, 210-1, or 210-2 so that the reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2, and 240-2 are formed, and the knitted web 210, 210-1, or 210-2 may be coupled to the reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2, and 240-2 so that a cuttable knitted fabric 200, 200-1, or 200-2 is formed.

The reinforcing fibers of the reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2, and 240-2 can prevent the knit of the knitted web 210, 210-1, or 210-2 from being unraveled when the knitted web 210, 210-1, or 210-2 is cut. The reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2, 240-2 may reduce the unraveling of the knitted web 210, 210-1, or 210-2. In addition, the reinforcing fibers of the reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2, and 240-2 are coupled to knitted web 210, 210-1, or 210-2, and thus, the knitted fabric 200, 200-1, or 200-2 can maintain a constant shape.

Meanwhile, an adhesive such as a paste may be fixed with the reinforcing fibers of the reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2, and 240-2 and needled, and thus, the reinforcing fibers can be coupled to the knitted web 210, 210-1, or 210-2. When the adhesive is used, it is possible to further increase the bonding force between the reinforcing portions 220, 220-1, 220-2, 230, 230-1, 230-2, 240-2 and the knitted web 210, 210-1, or 210-2.

The cuttable knitted fabric 200, 200-1, or 200-2 of the present disclosure can be cut into various sizes and shapes, and thus, the knitted fabric can be used as a material for various products. As illustrated in FIG. 6, the cuttable knitted fabrics 200, 200-1, or 200-2 may be used in the manufacture of clothing such as a sweater or a coat, a handbag, and accessories such as bags.

FIG. 11 is a process diagram for a method for manufacturing the cuttable knitted fabric 200 illustrated in FIG. 9. FIG. 15 is a view illustrating a hand knitting machine for forming the knitted fabric. FIG. 16 is a view illustrating a needle punching machine for entangling the knitted web and the reinforcing material. FIG. 17 is a view illustrating a heat treatment machine for applying heat to a knitted web and a reinforcing material, and for spraying steam.

Referring FIGS. 9 and 11, the method for manufacturing the cuttable knitted fabric 200 may include a step S110 of providing the knitted web, a step S120 of disposing the first reinforcing fiber, a step S130 of disposing the second reinforcing fiber, a step S140 of entangling the knitted web 210, the first reinforcing fiber, and the second reinforcing fiber, and a post-treatment step S150.

The step S110 of providing the knitted web is a step of preparing the knitted web 210. The knitted web 210 may have an appropriate size and shape according to the required fabric. The knitted web 210 may be formed in a plate shape. The knitted web 210 may be formed of a single yarn by using the hand knitting machine 10 illustrated in FIG. 15.

The knitted web 210 may be produced to have a weaving thickness of 5 mm to 12 mm using the hand knitting machine 10. A length of the knitted web 210 in the first direction may be formed to be 50 cm to 150 cm, and a length in the second direction may be formed to be 100 cm to 250 cm. The present disclosure is not limited thereto, and the length of the knitted web 210 in the first direction and the second direction is not limited. As the size is reduced by steam and heat treatment during the manufacturing process of the cuttable knitted fabric 200, in consideration of the reduced length, the length of the knitted web 210 in the first direction and the second direction may be set.

Subsequently, the step S120 of disposing the first reinforcing fiber is a step of disposing the first reinforcing fibers at regular intervals on the lower surface of the knitted web 210. The first reinforcing fibers may be disposed to correspond to the central portion of the lower surface of the knitted web 210. The first reinforcing portion 220 may be formed through the first reinforcing fibers.

The first reinforcing fibers of the first reinforcing portion 220 may be formed of a material having its own entanglement such as a fine fiber, a thread, or a fiber thinner than the yarn.

As an example, the first reinforcing fibers of the first reinforcing portion 220 may be formed of wool (woolen material, lamb's wool, merino wool, pima wool), cotton wool, or poly (for example, nylon) cotton.

As an example, the first reinforcing fibers of the first reinforcing portion 220 may be formed by mixing two or more materials selected from wool (woolen material, lamb's wool, merino wool, pima wool), cotton, and poly (for example, nylon) cotton.

As an example, in order to increase the tensile strength in the first direction of the cuttable knitted fabric 200, the first reinforcing portion 220 may be formed of the first reinforcing fibers obtained by mixing 50% to 70% poly (for example, nylon) cotton and 30% to 50% wool (woolen material, lamb's wool, merino wool, pima wool).

As an example, in order to increase the tensile strength in the first direction of the cuttable knitted fabric 200, the first reinforcing portion 220 may be formed of the first reinforcing fibers obtained by mixing 50% to 70% poly (for example, nylon) cotton and 30% to 50% cotton.

As an example, in order to increase the tensile strength in the first direction of the cuttable knitted fabric 200, the first reinforcing portion 220 may be formed of the first reinforcing fibers obtained by mixing 40% to 60% poly (for example, nylon) cotton, 20% to 30% wool (woolen material, lamb's wool, merino wool, pima wool), and at 20% to 30% cotton.

Subsequently, the step S130 of disposing the second reinforcing fiber is a step of disposing the second reinforcing fibers on the edge of the lower surface of the knitted web 210. The second reinforcing fiber may be disposed to surround the periphery of the first reinforcing portion 220. The second reinforcing portion 230 may be formed through the second reinforcing fibers.

The second reinforcing fibers of the second reinforcing portion 230 may be formed of a material having its own entanglement such as a fine fiber, a thread, or a fiber thinner than the yarn.

As an example, the first reinforcing fibers of the second reinforcing portion 230 fibers may be formed of wool (woolen material, lamb's wool, merino wool, pima wool), cotton wool, or poly (for example, nylon) cotton.

As an example, the first reinforcing fibers of the second reinforcing portion 230 may be formed by mixing two or more materials selected from wool (woolen material, lamb's wool, merino wool, pima wool), cotton, and poly (for example, nylon) cotton.

As an example, in order to increase the tensile strength in the second direction of the cuttable knitted fabric 200, the second reinforcing portion 230 may be formed of the first reinforcing fibers obtained by mixing 50% to 70% poly (for example, nylon) cotton and 30% to 50% wool (woolen material, lamb's wool, merino wool, pima wool).

As an example, in order to increase the tensile strength in the second direction of the cuttable knitted fabric 200, the second reinforcing portion 230 may be formed of the second reinforcing fibers obtained by mixing 50% to 70% poly (for example, nylon) cotton at and 30% to 50% cotton.

As an example, in order to increase the tensile strength in the second direction of the cuttable knitted fabric 200, the second reinforcing portion 230 may be formed of the second reinforcing fibers obtained by mixing 40% to 60% poly (for example, nylon) cotton at, 20% to 30% wool (woolen material, lamb's wool, merino wool, pima wool), and 20% to 30% cotton.

Subsequently, the step S140 of entangling the knitted web 210 and the first reinforcing fiber and entangling the knitted web 210 and the second reinforcing fibers is a step of mixing the first reinforcing fibers and the second reinforcing fibers with the knitted web 210 using the needle punching machine 20 illustrated in FIG. 16 to form a needle fabric.

The first reinforcing fibers of the first reinforcing portion 220 and the second reinforcing fibers of the second reinforcing portion 230 have a property of being entangled with each other, the first reinforcing fibers and the second reinforcing fibers may be introduced into the yarn of the knitted web 210 through the needling process using the needle punching machine 20 to be entangled and coupled the yarn. The present disclosure is not limited thereto, and the first reinforcing portion 220 and the second reinforcing portion 230 may be coupled using an adhesive.

The first reinforcing fibers of the first reinforcing portion 220 and the second reinforcing fibers of the second reinforcing portion 230 may fix the yarn of the tissue of the knitted web 210 while filling the inside or the tissue of the knitted web 210. Since the first reinforcing fibers and the second reinforcing fiber are thinner than the yarn, the first reinforcing fibers and the second reinforcing fiber may be easily introduced into the yarn.

The number of times of the needling processes may be changed depending on the characteristics of the cuttable knitted fabric 200, and 5 to 20 times of the needling processes may be performed to couple the knitted web 210, the first reinforcing portion 220, and the second reinforcing portion 230.

Here, the needling process may be performed while a separate adhesive is supplied to the knitted web 210, the first reinforcing fibers, and the second reinforcing fibers. The adhesive may increase bonding strength between the first and second reinforcing fibers and the knitted web 210.

Subsequently, the post-treatment step S150 is a step of supplying moisture to the needle fabric using the heat treatment machine 30 illustrated in FIG. 17 and applying a predetermined temperature to perform drying and curing. The post-treatment step may be performed by an appropriate method depending on the use of the knitted fabric.

As an example, the cuttable knitted fabric 200 may be treated by immersion in water. In this case, hot water and cold water may be used as the water. Here, the hot water is water at a temperature higher than room temperature, and may be water of 40 to 80° C. The cold water is water at a temperature lower than room temperature, and may be water of 10 to 20° C. The cuttable knitted fabric 200 may be treated by alternately immersing the knitted fabric 200 in the hot water and the cold water. The cuttable knitted fabric 200 may be shrunk in advance through the post-treatment. Accordingly, the cuttable knitted fabric 200 may be reduced in shrinkage during use.

In addition, the cuttable knitted fabric 200 may be immersed in a soap solution and rubbed against each other. The soap solution may be maintained at a temperature of 40 to 80° C. The cuttable knitted fabric 200 is rubbed against each other in a state of being immersed in the soap solution, the reinforcing fibers are tangled, and thus, the bonding force between the reinforcing fibers and the knitted web 110 may be increased. In addition, the cuttable knitted fabric 200 may be immersed in soap solution and contracted while rubbing and thickened. The cuttable knitted fabric 200 may have a dense texture and a softer feel.

In addition, the cuttable knitted fabric 200 may be treated by spraying water or spraying high-temperature and high-pressure steam. In this case, the steam temperature may be 120° C. to 150° C. The heat treatment temperature after spraying the steam may be 100° C. to 180° C. The steam process and the heat treatment process may be alternately performed. The present disclosure is not limited thereto, and the steam process may be performed 5 times, and the heat treatment process may be performed 10 times. That is, the heat treatment process may be performed twice per one steam process. By adjusting the number of steam processes and the number of heat treatment processes, the feel and strength of the cuttable knitted fabric 200 can be adjusted.

FIG. 12 is a view illustrating an example of a cross-section of the cuttable knitted fabric 200 along the line “B” illustrated in FIG. 8. FIG. 13 is a view illustrating an example of reinforcing fibers additionally disposed below the second reinforcing portion 230.

Referring to FIGS. 12 and 13, the cuttable knitted fabric 200 according to one embodiment of the present disclosure may include the knitted web 210, the first reinforcing portion 220, the second reinforcing portion 230, and a third reinforcing portion 240. In the cuttable knitted fabric 200, the first reinforcing portion 220, the second reinforcing portion 230, and the third reinforcing portion 240 may be coupled to one of the front surface (or upper surface) and the back surface (or lower surface) of the knitted web 210.

As one embodiment, a first thickness of the first reinforcing portion 220 may be thicker than a second thickness of the second reinforcing portion 230. The first thickness of the first reinforcing portion 230 may be thicker than a third thickness of the third reinforcing portion 240. As one embodiment, the first thickness of the first reinforcing portion 220 may be the same as a thickness obtained by summing the thickness of the second reinforcing portion 230 and the thickness of the third reinforcing portion 240. As one embodiment, the first thickness of the first reinforcing portion 220 may be thicker than the thickness obtained by summing the thickness of the second reinforcing portion 230 and the thickness of the third reinforcing portion 240. As one embodiment, the first thickness of the first reinforcing portion 220 may be thinner than the thickness obtained by summing the thickness of the second reinforcing portion 230 and the thickness of the third reinforcing portion 240.

In the cuttable knitted fabric 200, the first reinforcing portion 220, the second reinforcing portion 230, and the third reinforcing portion 240 may be coupled to the back surface (or lower surface) of the knitted web 210 to increase tensile strength.

The first reinforcing portion 220 may be disposed to correspond to a partial region of the back surface (or lower surface) of the knitted web 210. As an example, the first reinforcing portion 220 may be disposed to correspond to the central portion of the back surface (or lower surface) of the knitted web 210.

The second reinforcing portion 230 may be disposed to correspond to a partial region of the back surface (or lower surface) of the knitted web 210. As an example, the second reinforcing portion 230 may be disposed to correspond to an edge of the back surface (or lower surface) of the knitted web 210. The second reinforcing portion 230 may be disposed to surround the periphery of the first reinforcing portion 220. The third reinforcing portion 240 may be disposed to overlap the second reinforcing portion 230. The third reinforcing portion 240 may be formed by adding a woolen material below the second reinforcing portion 230 as illustrated in FIG. 13. The second reinforcing portion 230 and the third reinforcing portion 240 may be formed in the same shape.

The first reinforcing portion 220 and the second reinforcing portion 230 may be formed of different materials. The first reinforcing portion 230 and the third reinforcing portion 240 may be formed of different materials. The second reinforcing portion 230 and the third reinforcing portion 240 may be formed of different materials. As one embodiment, a ratio of materials constituting the first reinforcing fibers of the first reinforcing portion 220 may be different from a ratio of materials constituting the second reinforcing fibers of the second reinforcing portion 230. A ratio of materials constituting the second reinforcing fibers of the second reinforcing portion 230 may be different from a ratio of materials constituting the third reinforcing fibers of the third reinforcing portion 240.

The first reinforcing portion 220 disposed to correspond to the central portion of the knitted web 210 may be formed of a fiber material having a cushioning feeling and soft characteristics. The second reinforcing portion 230 disposed to correspond to the edge of the knitted web 210 may be formed of a fibrous material having high rigidity to prevent the knit of the knitted web 210 from being unraveled. The third reinforcing portion 240 is for further strengthening the rigidity of the second reinforcing portion 230, and the third reinforcing portion 240 is disposed below the second reinforcing portion 230 to prevent the knit of the knitted web 210 from being unraveled.

According to the shape of the cuttable knitted fabric 200, the shapes of the first reinforcing portion 220, the second reinforcing portion 230, and the third reinforcing portion 240 are variously changed (for example, circular, oval, quadrangular, rhombus, trapezoid, or the like.

The first reinforcing portion 220, the second reinforcing portion 230, and the third reinforcing portion 240 may support the knitted web 210 as a whole to prevent curl-up from occurring. In addition, in the cuttable knitted fabric 200, the first reinforcing portion 220, the second reinforcing portion 230, and the third reinforcing portion 240 are coupled to the knitted web 210, and thus, the yarn of the knitted web 210 and the reinforcing fibers constituting the first reinforcing portion 220, the second reinforcing portion 230, and the third reinforcing portion 240 are entangled with each other.

Here, the directions of the tensile strength of the second reinforcing portion 230 and the third reinforcing portion 240 are formed to be different from each other. Accordingly, even when the knitted web 210 extends in the X-axis direction, the Y-axis direction, and the diagonal direction, it is possible to maintain the shape of the knitted web 210-2 and prevent the knit of the knitted web 210-2 from being unraveled.

Since the first reinforcing portion 220, the second reinforcing portion 230, and the third reinforcing portion 240 fix the knitted web 210, the yarn is not unraveled even when the yarn of the knitted web 210 is cut during the cutting process. In addition, since the cuttable knitted fabric 200 is formed by having the knitted web 210 as a basic skeleton and coupling the first reinforcing portion 220, the second reinforcing portion 230, and the third reinforcing portion 240 using reinforcing fibers as a material, the knitted fabric 200 has good elasticity and flexibility and do not wrinkle. The knitted web 210 may be formed by woven in a substantially plate shape using a single yarn.

The reinforcing fibers of the first reinforcing portion 220, the second reinforcing portion 230, and the third reinforcing portion 240 may be formed of a material having its own entanglement such as a fine fiber, a thread, or a fiber thinner than the yarn.

As an example, the reinforcing fibers may be formed of wool (woolen material, lamb's wool, merino wool, pima wool), cotton wool, or poly (for example, nylon) cotton.

As an example, the reinforcing fibers may be formed by mixing two or more materials selected from wool (woolen material, lamb's wool, merino wool, pima wool), cotton, and poly (for example, nylon) cotton.

The cuttable knitted fabric 200 of the present disclosure can be cut into various sizes and shapes, and thus, the knitted fabric can be used as a material for various products. As illustrated in FIG. 6, the cuttable knitted fabrics 200, 200-1, or 200-2 may be used in the manufacture of clothing such as a sweater or a coat, a handbag, and accessories such as bags.

FIG. 14 is a process diagram for the method for manufacturing the cuttable knitted fabric illustrated in FIG. 12.

Referring to FIGS. 12 and 14, the method for manufacturing a cuttable knitted fabric 200 may include a step S210 of providing the knitted web, a step S220 of disposing the first reinforcing fiber, a step S230 of disposing the second reinforcing fiber, a step S240 of disposing the third reinforcing fiber, a step S250 of entangling the knitted web 210 with the first reinforcing fibers, the second reinforcing fibers, and the third reinforcing fibers, and a post-treatment step S260.

The step S210 of providing the knitted web is a step of preparing the knitted web 210. The knitted web 210 may have an appropriate size and shape according to the required fabric. The knitted web 210 may be formed in a plate shape. The knitted web 210 may be formed from a single yarn by using the hand knitting machine 10 illustrated in FIG. 15.

The knitted web 210 may be produced with a weaving thickness of 5 mm to 12 mm using the hand knitting machine 10. The length of the knitted web 210 in the first direction may be formed to be 50 cm to 150 cm, and the length in the second direction may be formed to be 100 cm to 250 cm. The present disclosure is not limited thereto, and the length of the knitted web 210 in the first direction and the second direction is not limited. Since the size is reduced by steam and heat treatment during the manufacturing process of the cuttable knitted fabric 200, in consideration of the reduced length, the length of the knitted web 210 in the first direction and the second direction may be set.

Subsequently, the step S220 of disposing the first reinforcing fiber is a step of disposing the first reinforcing fibers at regular intervals on the lower surface of the knitted web 210. The first reinforcing fibers may be disposed to correspond to the central portion of the lower surface of the knitted web 210. The first reinforcing portion 220 may be formed through the first reinforcing fibers.

The first reinforcing fibers of the first reinforcing portion 220 may be formed of a material having its own entanglement such as a fine fiber, a thread, or a fiber thinner than the yarn.

As an example, the first reinforcing fibers of the first reinforcing portion 220 may be formed of wool (woolen material, lamb's wool, merino wool, pima wool), cotton wool, or poly (for example, nylon) cotton.

As an example, the first reinforcing fiber of the first reinforcing portion 220 may be formed by mixing two or more materials selected from wool (woolen material, lamb's wool, merino wool, pima wool), cotton, and poly (for example, nylon) cotton.

As an example, in order to increase the tensile strength in the first direction of the cuttable knitted fabric 200, the first reinforcing portion 220 may be formed of the first reinforcing fibers obtained by mixing 50% to 70% poly (for example, nylon) cotton and 30% to 50% wool (woolen material, lamb's wool, merino wool, pima wool).

As an example, in order to increase the tensile strength in the first direction of the cuttable knitted fabric 200, the first reinforcing portion 220 may be formed of the first reinforcing fibers obtained by mixing 50% to 70% poly (for example, nylon) cotton and 30% to 50% cotton.

As an example, in order to increase the tensile strength in the first direction of the cuttable knitted fabric 200, the first reinforcing portion 220 may be formed of the first reinforcing fibers obtained by mixing 40% to 60% poly (for example, nylon) cotton, 20% to 30% wool (woolen material, lamb's wool, merino wool, pima wool), and 20% to 30% cotton.

Subsequently, the step S220 of disposing the second reinforcing fiber is a step of disposing the second reinforcing fibers on the edge of the lower surface of the knitted web 210. The second reinforcing fiber may be disposed to surround the periphery of the first reinforcing portion 220. The second reinforcing portion 230 may be formed through the second reinforcing fibers.

The second reinforcing fibers of the second reinforcing portion 230 may be formed of a material having its own entanglement such as a fine fiber, a thread, or a fiber thinner than the yarn.

As an example, the first reinforcing fibers of the second reinforcing portion 230 fibers may be formed of wool (woolen material, lamb's wool, merino wool, pima wool), cotton wool, or poly (for example, nylon) cotton.

As an example, the first reinforcing fibers of the second reinforcing portion 230 may be formed by mixing two or more materials selected from wool (woolen material, lamb's wool, merino wool, pima wool), cotton, and poly (for example, nylon) cotton.

As an example, in order to increase the tensile strength in the second direction of the cuttable knitted fabric 200, the second reinforcing portion 230 may be formed of the first reinforcing fibers obtained by mixing at 50% to 70% poly (for example, nylon) cotton and 30% to 50% wool (woolen material, lamb's wool, merino wool, pima wool).

As an example, in order to increase the tensile strength in the second direction of the cuttable knitted fabric 200, the second reinforcing portion 230 may be formed of the second reinforcing fibers obtained by mixing 50% to 70% poly (for example, nylon) cotton and 30% to 50% cotton.

As an example, in order to increase the tensile strength in the second direction of the cuttable knitted fabric 200, the second reinforcing portion 230 may be formed of the second reinforcing fibers obtained by mixing 40% to 60% poly (for example, nylon) cotton, 20% to 30% wool (woolen material, lamb's wool, merino wool, pima wool), and 20% to 30% cotton.

Subsequently, the step S230 of disposing the third reinforcing fiber is a step of disposing the third reinforcing fibers on the lower surface of the second reinforcing fibers. The third reinforcing fiber may be disposed below the second reinforcing fiber so as to surround the periphery of the first reinforcing portion 220. The third reinforcing portion 240 may be formed through the third reinforcing fibers.

Subsequently, the step S250 of entangling the knitted web 210, and the first reinforcing fiber, the second reinforcing fiber, and the third reinforcing fiber is a step of mixing the first reinforcing fibers, the second reinforcing fibers, and the third reinforcing fibers with the knitted web 210 using the needle punching machine 20 illustrated in FIG. 16 to form the needle fabric.

The first reinforcing fibers of the first reinforcing portion 220, the second reinforcing fibers of the second reinforcing portion 230, and the third reinforcing fibers of the third reinforcing portion 240 have a property of being entangled with each other, the first reinforcing fibers, the second reinforcing fibers, and the third reinforcing fibers may be introduced into the yarn of the knitted web 210 through the needling process using the needle punching machine 20 to be entangled and coupled to the yarn. The present disclosure is not limited thereto, and the first reinforcing portion 220, the second reinforcing portion 230, and the third reinforcing portion 240 may be coupled using an adhesive.

The first reinforcing fibers of the first reinforcing portion 220, the second reinforcing fibers of the second reinforcing portion 230, and the third reinforcing fibers of the third reinforcing portion 230 may fix the yarn of the tissue of the knitted web 210 while filling the inside or the tissue of the knitted web 210. Since the first reinforcing fibers, the second reinforcing fibers, and the third reinforcing fibers are thinner than the yarn, the first reinforcing fibers, the second reinforcing fibers, and the third reinforcing fibers may be easily introduced into the yarn.

The number of times of the needling processes may be changed depending on the characteristics of the cuttable knitted fabric 200, and 5 to 20 times of the needling processes may be performed to couple the knitted web 210, the first reinforcing portion 220, and the second reinforcing portion 230.

Here, the needling process may be performed while a separate adhesive is supplied to the knitted web 210, the first reinforcing fibers, and the second reinforcing fibers. The adhesive may increase bonding strength between the first reinforcing fibers, the second reinforcing fibers, and the third reinforcing fibers, and the knitted web 210.

Subsequently, the post-treatment step S260 is a step of supplying moisture to the needle fabric using the heat treatment machine 30 illustrated in FIG. 17 and applying a predetermined temperature to perform drying and curing. The post-treatment step may be performed by an appropriate method depending on the use of the knitted fabric.

As an example, the cuttable knitted fabric 200 may be treated by immersion in water. In this case, hot water and cold water may be used as the water. Here, the hot water is water at a temperature higher than room temperature, and may be water of 40 to 80° C. The cold water is water at a temperature lower than room temperature, and may be water of 10 to 20° C. The cuttable knitted fabric 200 may be treated by alternately immersing the knitted fabric 200 in the hot water and the cold water. The cuttable knitted fabric 200 may be shrunk in advance through the post-treatment. Accordingly, the cuttable knitted fabric 200 may be reduced in shrinkage during use.

In addition, the cuttable knitted fabric 200 may be immersed in a soap solution and rubbed against each other. The soap solution may be maintained at a temperature of 40 to 80° C. The cuttable knitted fabric 200 is rubbed against each other in a state of being immersed in the soap solution, the reinforcing fibers are tangled, and thus, the bonding force between the reinforcing fibers and the knitted web 110 may be increased. In addition, the cuttable knitted fabric 200 may be immersed in soap solution and contracted while rubbing and thickened. The cuttable knitted fabric 200 may have a dense texture and a softer feel.

In addition, the cuttable knitted fabric 200 may be treated by spraying water or spraying high-temperature and high-pressure steam. In this case, the steam temperature may be 120° C. to 150° C. The heat treatment temperature after spraying the steam may be 100° C. to 180° C. The steam process and the heat treatment process may be alternately performed. The present disclosure is not limited thereto, and the steam process may be performed 5 times, and the heat treatment process may be performed 10 times. That is, the heat treatment process may be performed twice per one steam process. By adjusting the number of steam processes and the number of heat treatment processes, the feel and strength of the cuttable knitted fabric 200 can be adjusted.

In the knitted fabric and the method for manufacturing the same according to the present disclosure, it is possible to prevent the yarn constituting the knitted web from being unraveled and cut the knitted fabric into a necessary shape.

In the knitted fabric and the method for manufacturing the same according to the present disclosure, it is possible to increase the strength by the reinforcing portion.

In the knitted fabric and the method for manufacturing the same according to the present disclosure, it is possible to provide the cuttable knitted fabric to be suitable for various shapes and various uses.

Claims

1. A cuttable knitted fabric comprising:

a knitted web woven from a single yarn;
a first reinforcing portion disposed to correspond to a central portion of a lower surface of the knitted web; and
a second reinforcing portion disposed to surround a periphery of the first reinforcing portion on the lower surface of the knitted web,
wherein a first reinforcing fiber of the first reinforcing portion, and a first reinforcing fiber of the second reinforcing portion are formed by being entangled with a yarn of the knitted web,
the first reinforcing portion and the second reinforcing portion are formed of different materials, and
the first reinforcing portion and the second reinforcing portion have different tensile strengths.

2. The cuttable knitted fabric of claim 1, further comprising:

a third reinforcing portion disposed to overlap the second reinforcing portion,
wherein the second reinforcing portion and the third reinforcing portion are formed of different materials.

3. The cuttable knitted fabric of claim 2,

wherein the first reinforcing fiber of the first reinforcing portion is formed by mixing two or more materials from among wool (woolen material, lamb's wool, merino wool, pima wool), cotton, and cotton polyester in a certain ratio.

4. The cuttable knitted fabric of claim 2,

wherein the first reinforcing fiber of the first reinforcing portion is formed by mixing 50% to 70% cotton polyester and 30% to 50% wool (woolen material, lamb's wool, merino wool, pima wool).

5. The cuttable knitted fabric of claim 2,

wherein the first reinforcing fiber of the first reinforcing portion is formed by mixing 50% to 70% cotton polyester and 30% to 50% cotton.

6. The cuttable knitted fabric of claim 2,

wherein the first reinforcing fiber of the first reinforcing portion is formed by mixing 40% to 60% cotton polyester, 20% to 30% wool (woolen material, lamb's wool, merino wool, pima wool), and 20% to 30% cotton.

7. The cuttable knitted fabric of claim 2,

wherein the second reinforcing fiber of the reinforcing portion is formed of wool (woolen material, lamb's wool, merino wool, pima wool) or cotton, or is formed by mixing 40% to 60% wool (woolen material, lamb's wool, merino wool, pima wool) and 40% to 60% cotton.

8. The cuttable knitted fabric of claim 2,

wherein the third reinforcing fiber of the third reinforcing portion is formed of wool (woolen material, lamb's wool, merino wool, pima wool) or cotton, or is formed by mixing 40% to 60% wool (woolen material, lamb's wool, merino wool, pima wool) and 40% to 60% cotton.

9. The cuttable knitted fabric of claim 2,

wherein the first reinforcing portion is formed so that a tensile strength in a first direction is greater than a tensile strength in a second direction, and
the second reinforcing portion is formed so that a tensile strength in the second direction is greater than a tensile strength in the first direction.

10. The cuttable knitted fabric of claim 9,

wherein a ratio of a material constituting the second reinforcing fiber of the second reinforcing portion is different from a ratio of a material constituting the third reinforcing fiber of the third reinforcing portion.

11. The cuttable knitted fabric of claim 2,

wherein a first thickness of the first reinforcing portion is thicker than a second thickness of the second reinforcing portion, and the first thickness of the first reinforcing portion is thicker than a third thickness of the third reinforcing portion.

12. The cuttable knitted fabric of claim 2,

wherein a shape of the first reinforcing portion and a shape of the second reinforcing portion are the same as each other.

13. The cuttable knitted fabric of claim 12,

wherein the shape of the first reinforcing portion, the shape of the second reinforcing portion, and a shape of the third reinforcing portion are the same as each other.

14. The cuttable knitted fabric of claim 12,

wherein the shape of the first reinforcing portion, the shape of the second reinforcing portion, and a shape of the third reinforcing portion are different from each other.

15. The cuttable knitted fabric of claim 1, further comprising:

a third reinforcing portion disposed on the periphery of the second reinforcing portion,
wherein the second reinforcing portion and the third reinforcing portion are formed of different materials.

16. The cuttable knitted fabric of claim 15,

wherein a shape of the first reinforcing portion, a shape of the second reinforcing portion, and a shape of the third reinforcing portion are different from each other.

17. A method for manufacturing a cuttable knitted fabric, the method comprising:

providing a knitted web woven with a single yarn;
disposing a first reinforcing fiber to correspond to a central portion of a lower surface of the knitted web;
disposing a second reinforcing fiber to surround a periphery of the first reinforcing fiber;
forming a needle fabric by tangling the knitted web, and the first reinforcing fiber and the second reinforcing fiber; and
performing steam and heat treatment on the needle fabric,
wherein by performing a needling process using a needle punching machine or an adhesion process using an adhesive, the first reinforcing fiber is introduced into the yarn of the knitted web to mix the first reinforcing fiber with the knitted web, and the second reinforcing fiber is introduced into the yarn of the knitted web to mix the second reinforcing fiber with the knitted web.

18. A method for manufacturing a cuttable knitted fabric, the method comprising:

providing a knitted web woven with a single yarn;
disposing a first reinforcing fiber to correspond to a central portion of a lower surface of the knitted web;
disposing a second reinforcing fiber to surround a periphery of the first reinforcing fiber;
disposing a third reinforcing fiber in a periphery of the second reinforcing fiber or below the second reinforcing fiber;
forming a needle fabric by tangling the knitted web, and the first reinforcing fiber, the second reinforcing fiber, and the third reinforcing fiber; and
performing steam and heat treatment on the needle fabric,
wherein by performing a needling process using a needle punching machine or an adhesion process using an adhesive, the first reinforcing fiber is introduced into the yarn of the knitted web to mix the first reinforcing fiber with the knitted web, the second reinforcing fiber is introduced into the yarn of the knitted web to mix the second reinforcing fiber with the knitted web, and the third reinforcing fiber is introduced into the yarn of the knitted web to mix the third reinforcing fiber with the knitted web.

19. (canceled)

20. The method of claim 17,

wherein a first reinforcing layer formed by the first reinforcing fiber and a second reinforcing layer formed by the second reinforcing fiber have different tensile strengths and are formed in different shapes.

21. The method of any one of claims 18,

wherein a first reinforcing layer formed by the first reinforcing fiber and a second reinforcing layer formed by the second reinforcing fiber have different tensile strengths and are formed in different shapes.
Patent History
Publication number: 20230134953
Type: Application
Filed: Apr 6, 2021
Publication Date: May 4, 2023
Inventor: Moon jung HONG (Seoul)
Application Number: 17/917,519
Classifications
International Classification: D04H 1/4382 (20060101); D06B 1/02 (20060101); D06C 7/02 (20060101); D06H 7/00 (20060101); D04H 1/70 (20060101); D04H 1/4266 (20060101); D04H 1/425 (20060101); D04H 1/435 (20060101); D04H 1/498 (20060101);