Abstract: A spring mattress comprises a plurality of interconnected coil springs enclosed in casings, the springs having a first and a second end, wherein for at least one of the springs, casing portions arranged at the first and second ends of the spring are connected to each other through the spring by a joint. The joined casing portions comprise openings through the spring. Pieces of foam material are arranged in the openings, so that a first portion of each piece of foam material extends towards the first end of the spring and a second portion of each piece of foam material extends towards the second end of the spring. An apparatus and method for manufacturing such a mattress are also disclosed.

Abstract: A spring core is provided that includes a plurality of coil springs having an upper portion and a lower portion that collectively define an interior cavity. The spring core further includes a continuous upper fabric layer that covers each coil spring and defines a recess in the interior cavity of each coil spring. A cushioning layer is positioned atop the continuous upper fabric layer and extends into the recess in the interior cavity of each coil spring. A mattress assembly is further provided that includes the spring core, an upper body supporting layer, and a lower foundation layer. Methods of producing a spring core are further provided.

Abstract: An elastic module unit for a pad or furniture may include a fixed bottom plate and a plurality of elastic modules disposed on the fixed bottom plate, the fixed bottom plate including splicing sides arranged opposite to each other and end sides arranged opposite to each other. Each of the end sides includes a plurality of connectors having a rotary detent member and/or an engagement member. The rotary detent member is configured to swing about a pivot axis so that it releasably engages an engagement member of an adjacent elastic module unit. The engagement member is configured to releasably engage a rotary engagement member of an adjacent elastic module unit.

Abstract: A spool (100) of a linear string (110, 210, 310, 410) of pocketed springs is disclosed. The linear string of pocketed springs comprises springs (212, 312, 412) each provided in a textile pocket (214, 314, 414). The springs (212, 312, 412) comprise helically coiled steel wire springs. The textile pockets (214, 314, 414) are assembled to each other in linear direction. The linear string (110, 210, 310, 410) has a width of one textile pocket (214, 314, 414). The string (110, 210, 310, 410) of pocketed springs is present in the spool (100) spirally wound and in a compressed state such that the pocketed springs (212, 312, 412) can expand upon unwinding the string (110, 210, 310, 410) of pocketed springs from the spool (100).

Abstract: This disclosure addresses mattresses. The mattress includes a core made up of multiple zones. Each of the zones includes a plurality of core elements, the core elements being formed from at least one wire coil spring at least partially contained in a fabric pouch. The core elements are typically joined in linear chains. The zones vary in support firmness according to the selection of a user. The core elements include wire coil springs formed from wires of at least two different sizes, and of at least two different heights.

Abstract: A pocket spring unit comprising a plurality of pocket springs each comprising a coil spring and a pocket. Each of the pockets comprise top portion and bottom portions. Each of the pockets are formed from a continuous top piece of fabric attached to a continuous bottom piece of fabric to form a bond having a plane perpendicular to the longitudinal axis of each coil spring. The pocket spring unit further comprises an attachment layer comprising a top portion comprising an inner and outer surface. The pocket spring unit further comprises a plurality of first cushion elements engaged with the outer surface of the top portion of the attachment layer. The inner surface of the top portion of the attachment element is engaged with the top portion of the pockets of the pocket springs such that each of the first cushion elements act only upon one of the pocket springs.

Abstract: A coil component includes a winding core, and a first wire and a second wire that are spirally wound around the winding core, that have substantially the same number of turns, that are not electrically connected to each other, and that have a twisted portion at which the first wire and the second wire are twisted together. In the coil component, the first wire and the second wire are wound around the winding core such that layers are formed. The twist pitch of the twisted portion at a turn in a first layer differs from the twist pitch of the twisted portion at a turn adjacent thereto in a second layer.

Abstract: A mattress comprising an interior core of inner pocket springs arranged in a plurality of columns extending between opposite ends of the mattress disposed within an exterior periphery of outer pocket springs arranged in a plurality of columns extending between opposite ends of the mattress and a plurality of rows extending between opposite sides of the mattress where each inner pocket spring and each outer pocket spring has substantially the same in pocket height and out of pocket height, and the outer pocket springs are firmer than the inner pocket springs to create a relatively firm border around the periphery of the mattress.

Abstract: The present invention concerns a spring core (1, la, 12, 13, 17, 18) that may be used in e.g. bed mattresses, chairs or sofas. The spring core (1, 1a, 12, 13, 17, 18) comprises springs placed inside pocket (3). The pockets (3) are placed in a number of rows, which rows of pockets (3) are placed side by side. The spring core (1, 1a, 12, 13, 17, 18) is held in a compressed state by means of at least one cord (5). The at least one cord (5) is formed into braids (6) at opposite outer ends (7) of each row of pockets (3). Further, the at least one cord (4) forms a number of loops (8) on at least one side of each row of pockets (3). By pulling at one free end (10) of the at least one cord (5) the braids (6) and loops (8) are dissolved, allowing the spring core (1) to return to the non-compressed state.

Abstract: A pocketed spring assembly comprises parallel strings, each string joined to at least one adjacent string. At least some of the strings have springs of different gauge wire and some of the pockets of the strings having springs of different gauge wire are spliced together. At least some of the strings have springs of different geometries and some of the pockets of the strings having springs of different geometries are spliced together. At least some strings may have end sections with springs different than a middle section therebetween, the springs of the end sections being firmer than the springs of the middle section.

Abstract: Mattress assemblies include a hybrid posture support system that provide an end user with improved posture support during use, among other advantages. The hybrid posture support system includes a top foam layer including first and second foam portions that are spaced apart and generally correspond to a head/shoulder region and a foot region, respectively, a pocketed microcoil array underlying the top foam layer that is intermediate the first and second foam portions; and an underlying foam layer. The hybrid posture support system can be used in any mattress assembly including mattresses having a coil spring innercore or a foam innercore.

Abstract: An inclined pocketed spring string (4) and a pocketed spring bed core (3). The inclined pocketed spring string (4) comprises a plurality of pocketed individual springs (1) connected at intervals. Each pocketed individual spring (1) comprises a fabric (11) and an individual spring (12) packaged in the fabric (11). The individual springs (12) in the pocketed spring string (4) are entirely or partially inclined in the fabrics (11) in an inclined manner. The inclined pocketed spring string (4) and the pocketed spring bed core (3) of the present invention, as compared with the pocketed spring bed core of the same size, can effectively decrease the number of springs used and reduce manufacturing costs.

Abstract: A posturized comfort layer for a bedding or seating product has different sections of different firmness due to different pocketed mini coil springs within the sections. The springs may be individually pocketed between two sheets of non-woven polypropylene fabric joined with circular or rectangular weld seams. Regardless of the shape of the weld seams, the different firmness of the different sections of the comfort layer may be due to different mini coil springs contained in the pockets. In some embodiments, all pockets may have the same spring and the springs contained in different size weld seams to create pockets of different heights.

Abstract: A spring mattress is disclosed, comprising a plurality of interconnected coil springs enclosed in casings, thereby forming a pocket spring mattress. For at least one of the springs, the casing portions arranged at the ends of the spring being moved towards each other, through the spring, and interconnected with the aid of connecting means, such as a weld. Further, the casing portions at the ends of the spring comprise an opening through the spring. Hereby, the casing forms a toroid or doughnut shape enclosing the spring.

Abstract: The present disclosure provides a support device including a body interface layer resting against a user's body, a core adjacent the body interface layer with a plurality of independently acting micro coils surrounded by an enclosure layer, a stabilizing layer more rigid than the enclosure layer and the body interface layer, and an outer layer adjacent the stabilizing layer and which rests against an external surface such as a seat back when the device is in use. The body interface layer includes a curvilinear or parabolic profile with its inflection point toward a central region of the device and tapering toward lateral ends thereof. The body interface layer is thickest toward its intermediate portion which aligns with a central row of the spiral biasing devices, the body interface layer thinner outer intermediate regions aligning with outer spiral biasing device rows, providing for a consistently distributed pressure against the body.

Abstract: A comfort layer for a bedding or seating product has slow-acting pockets characterized by the individual mini coil springs of the comfort layer being pocketed with either semi-impermeable or impermeable fabric. Each weld seam joining opposed plies of fabric around each of the coil springs of the comfort layer may be segmented, allowing air to flow between the segments, thereby increasing the luxury “feel” of the comfort layer. The method of making the comfort layer includes compressing the mini coil springs and creating pockets with a welding horn and an anvil.

Abstract: Disclosed is a pillow comprising a plurality of pocket springs each comprising a coil spring and a pocket. Each of the pockets comprise a top portion and a bottom portion. Each of the pockets are formed from a continuous top piece of fabric attached to a continuous bottom piece of fabric to form a bond having a plane perpendicular to the longitudinal axis of each coil spring. The pillow further comprises an attachment layer comprising a top portion comprising an inner and outer surface. The pillow further comprises a plurality of first cushion elements engaged with the outer surface of the top portion of the attachment layer. The inner surface of the top portion of the attachment element is engaged with the top portion of the pockets of the pocket springs such that each of the first cushion elements act only upon one of the pocket springs.

Abstract: A bedding or seating product comprises a pocketed spring assembly comprising a plurality of parallel strings of individually pocketed springs. The strings of springs may extend from head-to-foot or side-to-side of the product. Adjacent individually pocketed springs are separated from each other by at least one separating seam. Each of the separating seams comprises a branched end portion.

Abstract: A mattress arrangement, such as a bed arrangement, is disclosed, comprising an upper mattress and optionally an lower mattress. The mattresses are preferably pocket spring mattresses. A support structure is arranged beneath the upper mattress, and comprises at least one flexible elongate element arranged to extend between two holding elements arranged at opposite sides of at least one variable zone in the bed arrangement. A retraction device is further arranged to control the slack of said flexible elongate element(s) by controlling the length of the flexible elongate element(s) being provided between the holding elements. Hereby, the height and/or firmness of the bed arrangement is controlled in the variable zone(s).

Abstract: A pocketed spring assembly comprises a plurality of parallel strings of individually pocketed springs. Each string is joined to at least one adjacent string. Each string has first and second opposed plies of fabric and a plurality of pockets formed along a length of the string by transverse segmented seams joining the plies. Gaps between the segments of the seams allow air to pass into and out of the pockets despite the fabric being impermeable to airflow through the fabric. The size of the gaps determines the firmness or “feel” of the pocketed spring assembly or portion thereof.

Abstract: A pocketed spring assembly comprises a plurality of parallel strings of individually pocketed springs. Each string is joined to at least one adjacent string. Each string has first and second opposed plies of fabric and a plurality of pockets formed along a length of the string by transverse segmented seams joining the plies. Gaps between the segments of the seams allow air to pass into and out of the pockets despite the fabric being impermeable to airflow through the fabric. The size of the gaps determines the firmness or “feel” of the pocketed spring assembly or portion thereof.

Abstract: A bedding or seating product comprises a pocketed spring assembly comprising a plurality of parallel strings of individually pocketed springs. The strings of springs may extend from head-to-foot or side-to-side of the product. Adjacent individually pocketed springs are separated from each other by at least one separating seam. Each of the separating seams comprises a branched end portion.

Abstract: A bedding or seating product comprises a pocketed spring assembly comprising a plurality of parallel strings of individually pocketed springs. The strings of springs may extend from head-to-foot or side-to-side of the product. Adjacent individually pocketed springs are separated from each other by at least one separating seam. Each of the separating seams comprises a pair of Y-shaped or U-shaped seams which may be joined together or spaced apart.

Abstract: Systems and methods include a spring-coil assembly having non-linear load-deflection characteristics that are substantially similar to foam. In particular, the systems and methods described herein include a first set of encased springs that are in a partially compressed state and a second set of shorter springs. These two sets of springs may be arranged in alternating rows such that the resulting spring-coil assembly displays non-linear load-deflection characteristics similar to foam.

Abstract: A bedding or seating product comprises a pocketed spring assembly comprising a plurality of parallel strings of individually pocketed springs. The product may have individual inserts between adjacent strings of springs. Adjacent individually pocketed springs are separated from each other by at least one separating seam. Each of the separating seams comprises a pair of Y-shaped or U-shaped seams which may be joined together or spaced apart.

Abstract: A spring assembly includes telescopically adjustable inner and outer members biased in an extension direction by a coil spring. A preload member is provided to apply a compression preload to the coil spring. The preload member can eliminate stickiness and the popping sound that are drawbacks of the prior art, and the fabric sleeve also provides general noise reduction when the spring assembly changes length.

Abstract: A bedding or seating product comprises a pocketed spring assembly comprising a plurality of parallel strings of individually pocketed springs. The strings of springs may extend from head-to-foot or side-to-side of the product. Adjacent individually pocketed springs are separated from each other by at least one separating seam. Each of the separating seams comprises a pair of Y-shaped or U-shaped seams which may be joined together or spaced apart.

Abstract: A pocketed spring assembly comprises a plurality of parallel strings of springs, each string joined to an adjacent string, each string comprising first and second opposed plies of fabric and a plurality of pockets formed along a length of the string by transverse seams joining the first and second plies, and at least one spring positioned in each pocket. At least one said string has a single spring in one pocket and a pair of nested springs in an adjacent pocket in alternating fashion along the length of the string, the pair of nested springs having a taller spring and a shorter spring. A portion of each transverse seam forming the adjacent pockets of the at least one string is divided from an upper surface of the at least one string downwardly so as to partially separate the adjacent pockets.

Abstract: Encased coil units with advance conforming properties have various interconnections and structures between individually encased or wrapped coils. In the various embodiments, encasement structures between coils such as closure or attachment of sheet material or fabric, which encase the coils, are configured to allow and enhance independent movement of coils with respect to adjacent coils and remote coils of the unit. Modifications in the sheet material or fabric which encases the coils include variations in the points of connection or disconnection between adjacent coils, proximate to top ends of the coils to allow more freedom of movement of the top or upper ends of the coils and with respect to adjacent coils, and to reduce load transfer or cratering of the coil springs about the locus of the force vector.

Abstract: A mattress core including an array of strings of pocket springs extending in parallel across the mattress core; and a fastener coupling the array of strings of pocket springs together, wherein said array of strings of pocket springs includes single strings of pocket springs and double strings of pocket springs, each double string of said double strings of pocket springs including a superior string of pocket springs and an inferior string of pocket springs.

Abstract: Spring cushions (10) having slow-acting pocketed spring cores (12) characterized by the individual springs of the cores (12) being pocketed within semi-impermeable fabric material and a method of making such pocketed spring cores (12). Fill material, such as pieces, strands or elements of foam or fiber is located inside at least some of the pocketed springs to reduce noise.

Abstract: The support characteristics within a foam mattress body may be varied by inserting reinforcements into channels cut or otherwise formed within the foam.

Abstract: A modular supporting element has a supporting surface for a user and includes a plurality of elastic modules, suitable for being deformed according to a direction substantially perpendicular to the supporting surface of the user. Each module has a side surface and an upper portion, wherein the modules are arranged juxtaposed to each other with the side surfaces substantially in contact or with the side surfaces at such a distance as not to prevent contact between one module and another during the elastic deformation movement. The modules have anti-friction surfaces arranged in a part of the side surface of the modules in such a way as to prevent interferences by friction between one module and another. The modular supporting element is made up of a plurality of modules with different rigidity from area to area without any appreciable influence between one module and another.

Abstract: A spring mattress is disclosed including a plurality of strings interconnected side by side, each string including a plurality of continuous casings and each casing including a coil spring. Further, in at least one embodiment, at least one of the casings in at least one of the strings includes a plurality of stretch openings into the interior of the casing, wherein at least some of said stretch openings are displaced in relation to each other in a lengthwise direction of the spring. At least one embodiment of the present invention also relates to a method and a device for manufacturing of such a mattress, as well as to a bed adapted for such a mattress.

Abstract: A spring assembly including a helical coil formed from a multi-strand cord.

Abstract: A spring mattress includes a plurality of strings interconnected side by side, each string including a continuous casing material with a plurality of pockets, said pockets being defined by at least one longitudinal connecting line extending parallel to the longitudinal direction of the string and a plurality of transverse connecting lines extending transversely to the longitudinal direction of the string, and coil springs arranged in the pockets of the string. For at least one of the springs, casing material portions arranged at the ends of the spring are moved towards each other, through the spring, and connected to each other. The connecting lines are arranged at the side of the springs and, thus, between neighboring springs. The interconnected casing material portions are thus at the ends of the springs essentially free of other connections.

Abstract: A spring mattress for beds is disclosed. In at least one embodiment, the spring mattress includes a plurality of strings which are interconnected side by side and include a continuous casing material with a plurality of separate pockets with coil springs enclosed therein. Moreover the casing material for at least some pockets is at least substantially airtight, thus providing a resistance to air being pressed out when the springs of the mattress are loaded, which, when subjected to a uniform load during a transition period, results in a gradually increasing depression of the spring to its depressed state. This results in a comfortable mattress, into which the user sinks gradually and which thus is comfortable and safe and allows the user to move easily. A corresponding method and device for manufacturing such a mattress are also described.

Abstract: Spring cushions (10) having slow-acting pocketed spring cores (12) characterized by the individual springs of the cores (12) being pocketed within semi-impermeable fabric material and a method of making such pocketed spring cores (12). Fill material, such as pieces, strands or elements of foam or fiber is located inside at least some of the pocketed springs to reduce noise.

Abstract: An innerspring assembly includes a plurality of first springs arranged side-by-side in axis-parallel relationship and wound in the form of a helix. Several first springs which are arranged behind one another in a row define a spring strand. An edge reinforcement is formed by second springs placed on at least two opposite borders of the innerspring assembly, with each second spring being connected with two first springs of an adjacent spring strand.

Abstract: Systems and methods include a spring-coil assembly having non-linear load-deflection characteristics that are substantially similar to foam. In particular, the systems and methods described herein include a first set of encased springs that are in a partially compressed state and a second set of shorter springs. These two sets of springs may be arranged in alternating rows such that the resulting spring-coil assembly displays non-linear load-deflection characteristics similar to foam.

Abstract: A spring mattress is described, including a plurality of strings interconnected side by side. Each string includes a plurality of continuous casings and, enclosed therein, coil springs. Moreover, between at least some of the springs in at least one of the strings a slot is arranged which opens towards the upper or lower side of the mattress. It is preferred for the springs between which the slot is arranged to be separated with an intermediate separation distance, which separation distance exceeds about 10% of the diameter of the largest turn of the adjoining springs. In addition, it is preferred for the casing portions to be arranged at the ends of the spring to be moved towards each other, through the spring, and connected to each other by at least one connecting device.

Abstract: This invention relates to a foam integrated innerspring mattress and method of manufacture wherein a flexible polyurethane foam is adhered onto the top and bottom of individually wrapped pocket innersprings, and additional polyurethane foam is molded onto the sides of the mattress.

Abstract: A spring assembly including a helical coil formed from a multi-strand cord.

Abstract: A mattress construction with a multi-strand coil spring is disclosed. The multi-strand coil spring can be designed with the same performance characteristic as a conventional solid wire coil spring, but at a lower manufacturing and material cost.

Abstract: An innerspring assembly includes a first plurality of interconnected strings of pocketed first springs. A second plurality of strings of springs is provided and so incorporated in the innerspring assembly that at least one string of springs of the second plurality is placed between two neighboring strings of the first plurality of interconnected springs, wherein the second springs have a diameter which is smaller than a diameter of the first springs.

Abstract: An innerspring assembly comprising a plurality of strips of pocketed coil springs, each including axially interconnected spring pockets having a pocket height. The strips of pocketed coil springs are comprised of overlapping plies of material adjoined together by axially offset cross seams extending generally along the pocket height to define the spring pockets, with each spring pocket containing a coil spring. In one embodiment, the overlapping plies of at least two strips are coupled together by connecting seams extending along the pocket height and axially offset from the cross seams. In another embodiment, the overlapping plies of at least three strips are interconnected. In another embodiment, overlapping edges of the plies of material are adjoined by a closing weld seam positioned adjacent an end surface of the pocketed coil springs, with the overlapping plies of material of at least two strips interconnected by connecting welds positioned along the pocket height.

Abstract: A bedding or seating product comprising a spring assembly made up of a plurality of parallel strings of springs joined to each other. Each of the strings of springs comprises a row of interconnected pocketed coil springs. Selected pockets of fabric are shorter than adjacent pockets, so coil springs in the selected pockets are under a greater load than adjacent coil springs. In one preferred embodiment, every other pocket is under a greater load than the adjacent pockets, resulting in a checkerboard arrangement in at least one area of the product.

Abstract: A bedding or seating product comprises a pocketed spring assembly having a plurality of parallel strings of springs joined to each other. Each of said strings of springs comprises a row of interconnected pockets, each of the pockets containing at least one spring encased in a fabric pocket and with more than one line of attachment between at least selected adjacent pockets. At least one spacer strip or at least one scrim sheet extends between the interconnected pockets of at least one string of springs and is secured thereto to provide stability in the pocketed spring assembly.

Abstract: A bedding or seating product is provided comprising a pocketed spring assembly made up of a plurality of parallel strings of springs joined to each other. Each string of springs comprises a row of interconnected pocketed springs. The pockets of fabric are vertically shortened with seams to create pockets of the same height, each containing a spring. The springs are vertically offset from one another due to the location of the seams. Upon an initial load, only some of the pocketed springs are compressed.

Abstract: A pocketed spring core includes a plurality of springs which are arranged sequentially in rows to form parallel adjoining spring strands, wherein each of the springs is supported in a pocket made of flexible material. A first cover sheet is placed over and connected to the spring strands, and a second cover sheet is placed under the spring strands and connected thereto. At least one of the first and second cover sheets has predetermined regions which are opened in a direction transversely to a longitudinal extension of the spring strands by a plurality of slots to thereby form strips.