Abstract: A method of making a multi-layer non-woven multiple biased fabric is disclosed. A layer of fabric is directed in a longitudinal direction of travel, wherein the layer of fabric is comprised of a plurality of structural fibers oriented substantially parallel to each other and oriented at an angle to the longitudinal center line of the fabric. The layer of fabric may or may not be previously biased. If not previously biased, then the structural yarns of the fabric are biased in a biasing stage to form a layer of single bias structural fabric having the structural fibers biased to the fabric centerline. The single biased fabric layer is led into at least one folding stage for folding the biased layer longitudinally from one edge toward another to form a multiple biased fabric. The multiple biased fabric is led from the at least one folding stage into an affixing stage for affixing the multiple biased fabric together to provide a single structural fabric being multiple biased.

Abstract: A second workpiece, for instance a pocket blank, is placed with its edge regions protruding on at least three sides, on a folding device which forms part of the automatic sewing machine. The folding device has a swingable outer frame which has a plurality of inwardly and outwardly moveable bend-over devices with Z-shaped angles which fold the protruding edge regions around a so-called "sword". Thereupon, the folded second material is placed on a first workpiece which is present in a receiving station. Then the folded edge regions are continuously fixed over their entire length by a holding element which is embedded in an insert plate provided within the receiving station. The holding element permits the bend-over devices to move back away from the workpieces into their starting position, without carrying the folded edge regions along with them and thereby unfolding the folded edge regions.

Abstract: A folding sequence for cylinders, which are so powered as to fold pocket pieces in a good order, is inputted into a control box and stored in a storage medium. Many different pocket pieces may then be folded according to the inputted folding sequence for the cylinders by reading the inputted data from the storage medium.

Abstract: A system is disclosed for continuously, sequentially, fabricating garment components from fabric blanks by orienting the blanks and sequentially advancing them to a first station where they are aligned with a continuous extending fusible interfacing tape. A heated plate folds a marginal edge of the blank at the first station into engagement with the interfacing tape and selectively applies heat and pressure to adhesively bond the fabric folded portion to the interfacing tape. The fabric blank and tape are advanced to a sewing machine where the blank is hemmed to define the garment component. A cutter removes the tape intermediate adjacent components and the components are subsequently collected.

Abstract: A piece of pile-type textile goods having a longitudinal pile-free edge strip of predetermined width is selvedged by moving the goods longitudinally in a transport direction sequentially through four folding stations and then through a stitching station. In the first folding station the outer two-thirds of the edge strip are folded up into a vertical position while the inner third of the edge strip is maintained flat and horizontal so that the edge strip is basically of L-section. Then in the second folding station the outer third of the edge strip is folded inward to a horizontal position while maintaining the inner third flat and horizontal and the middle third upright so that the edge strip is basically of C-section. In the third folding station the outer third of the edge strip is folded down to a vertical position next to and continuous with the middle third while the inner third is maintained flat and horizontal and the middle third upright.

Abstract: A method and system using an apparatus for folding and sewing a pleat in a material without the need for manual folding. The method includes the use of clamps to hold the material in place and the movement of pleates to fold the material. The pleat is kept in place by a clamp during stitching. The method may be used on any type of pleating operation, but is particularly applicable to the formation of pleats in yoke-back panel material assemblies.

Abstract: A workpiece fabric folding device having a label clamping mechanism. The device is operated for folding back an outer end portion of a first workpiece fabric and for stitching the folded back portion to a second workpiece fabric by a sewing machine. In the folding back operation, a label piece is also positioned at the folded back portion for simultaneously stitching the label to the second workpiece fabric. The folding device includes a gauge plate whose outer contour defines a folding-back line of the first workpiece fabric, a bending depression member positioned above the gauge plate for bending the outer edge portion, and a plurality of folding segments for urging the bent outer edge to a position below the gauge plate. The label clamping mechanism is disposed on the bending depression member at a position adjacent the folded-back position. The mechanism includes a label clamping unit which holds one portion of the label, and moving unit for angularly moving the clamping unit to the folded-back position.

Abstract: Sheet material 30 is taken from a supply 32 and is cut by cutter 36 into segments 35. The segments are moved rapidly parallel to their cut edges into a slower operating first sewing station 40 where elastic bands are sewn to the side edges of the segments. The rapidly moving trailing portion of the segment 35 of sheet material is temporarily accumulated at the accumulation station 39 and progressively fed at a slower rate through the first sewing station 40. The side edges are folded into overlying relationship with respect to the main body portion at folding station 42. Sewing machines 64 and 165 are moved inwardly of the sewing path to simultaneously cut and sew diagonal corners at the trailing and leading edges of the segments, with the sewing machines pivoting so as to face the relative movement of the sheet material, and the removed corners 25 and elastic banding 21 are pulled away from the work product by a vacuum system 186.

Abstract: A waist part cloth guiding device for a sewing machine comprises a guide which folds and guides a side edge portion of a cylindrical cloth to enclose a ring band ahead of the needle drop point, while feeding the band together with the cloth in a cloth feed direction by a forced feeding device, regardless of the operation of a main shaft of the sewing machine. After setting the ring band to be inserted into the folded portion of the cylindrical cloth at a position close to the needle drop point of the sewing machine, the side edge portion of the cylindrical cloth may be automatically guided and folded to the lower side of the ring band.

Abstract: A sewing machine includes a base, a sewing device installed on this base to sew material, and a pair of material setting/transfer assemblies provided on the base. Each material setting/transfer assembly comprises a sewing portion setting mechanism fixed on the base which is able to position portions of the material to be sewn including tucking ends; a transfer mechanism mounted on the base movably between this sewing portion setting mechanism and the sewing device; and a tuck-in mechanism movably attached on the base for approaching to and retreating from the sewing portion setting mechanism.

Abstract: An automatic apparatus and method for forming a V-top shirt pocket or similar article with a folded region, sewing a stitch to hold the fold, and stacking a plurality of same with distributed hem build-up. An unfolded ply of material is provided to a folding station, which forms a tucked edge fold in the material. The ply is then held at the tucked edge, and the opposite end is folded over a folding rod with an air jet. Holding fingers descend to hold the fold in the ply. A transport carriage arrives at the folding station to retrieve the folded, edge-tucked ply. The transport carriage includes a clamp, which clamps on the folded, edge-tucked ply to hold the fold and edge tuck as the folding station elements retract. The transport carriage carries the folded, edge-tucked held ply through a sewing station in synchronization with a sewing machine, where a V-shaped hem is sewn.

Abstract: Device for forming and sewing folds is provided in which one double fold DF and a plurality of single folds SF, located at spaced locations therefrom, are formed simultaneously on a cut, and the folds are also to be laid out flat with the folding tools.Three pairs of strips are provided as the holders for the folding tools, and the first of these pairs has two hinge-connected strips 86 and 87, which can be moved between the extended position and a buckled position. The strips of the second and third pairs can be moved in opposite directions and in opposite directions to the strips of the respective other pair, wherein the strips 88/89 and 90/91 of the second and third pairs of strips carry at least one folding knife. The first pair of strips carries the corresponding holders 112. The relative position of the first pair of strips 86/87 relative to the other two pairs of strips 88/89 and 90/91 is variable. The device is intended for producing workpieces with a plurality of folds of varying shapes, e.g.

Abstract: A workpiece folding device for a sewing machine which can fold the peripheral edge of a fabric such as pocket cloth, comprising a gage plate on which the pocket cloth is placed, a press plate superimposed on the gage plate for folding down the edge of the cloth along the contour of the gage plate, a folding-pieces support member surrounding the periphery of the gage plate, a plurality of folding pieces provided on the folding-pieces support member and shifted between two positions: an operational position under the gage plate for folding down the peripheral edge of the cloth and a preparatory position apart from the gage plate, and a plurality of pinching pieces for pinching the gage plate, the cloth and the press plate in cooperation with the corresponding folding pieces in the operational position.

Abstract: An automatic fabric guide mechanism in a sewing machine includes at least one edge displacement detecting device including a common light source and a pair of light sensors juxtaposed to each other so as to receive rays of light from the common light source. The light source and the light sensors cooperate with each other to define a generally U-shaped channel for accommodating a free lateral edge of a fabric during the feed of the fabric past the stitching position. This detecting device is so designed and so operated as to detect the occurrence of a lateral swing of the fabric being sewed depending on whether both of the light sensors fail to receive the rays of light from the common light source or whether both of the light sensors receive the rays of the light from the common light source.

Abstract: Drive assemblies for seam forming apparatus used to form a seam in one or more limp material segments include a fold assembly and a driver for positioning the segments within guide channels in the fold assembly prior to presentation to a seam joining device. The driver controls the segments to be at associated predetermined positions within the fold assembly. The drive assemblies include actuator means for moving drive wheels of the driver between two positions relative to the guide channels.

Abstract: Apparatus and method for sewing a length of fabric into seamed tubing that has a consistently uniform diameter and cross-sectional configuration along substantially its entire length, wherein simplified guide means and steps are employed for controlling the full movement of the length of the fabric forming the tubing to and through a sewing zone.

Abstract: Method and apparatus is disclosed for the automated forming and hemming of pocket plies or like parts provided with a contoured top flap. Individual pocket plies are picked from a stack and positioned on a plate provided with V-contoured forward end edge. A clamping die clamps the ply to the plate and conforms a projecting hem-forming margin to the V-contoured (or other shaped) forward edge. A transfer mechanism completes the hem fold and, by the use of a transfer clamp, engages the folded hem area. After the clamping die is opened, the transfer clamp removes the ply and conveys it to a sewing station, while forming the top fold of the pocket ply. The top fold is completed as the transfer mechanism places the ply on the surface of the sewing table and transfers it to the control of a controllably movable sewing clamp.

Abstract: For the purpose of attaching a strip of cloth provided with a zip-fastener component to a trouser forepart, first a rim of the strip of cloth and then the rim of the trouser forepart are folded over. The strip of cloth is arranged above the trouser forepart. Both folded-over rims are brought into a position relative to each other which they occupy after being joined together. Then they are brought into mutual contact and joined together with only a single seam in only one sewing operation. Thus very simple handling of the parts to be sewn together is achieved along with a very simple design of the required sewing units.

Abstract: An edge detector for detecting the edge of fabric in a textile folding or guiding device for an industrial sewing machine. The detector includes a light source mounted adjacent to one surface of the fabric as the fabric enters the folder. The light source is positioned for directing light onto the surface of the fabric. A photodetector is located adjacent to the light source for receiving light reflected from the surface of the fabric. The photodetector provides an output signal in response to the light reflected from the surface of the fabric which is indicative of the position of the fabric in the folder.

Abstract: An automatic feeder unit for a twin or triple needle bottom cover stitch machine which allows hemmed garments to be chained off while being sewn automatically. The feed unit comprises a top feed conveyor coupled to a synchronizer which senses the speed of the main shaft of the sewing head to control the speed of the top feed conveyor in relation to the speed of the sewing head. Further a feed dog and throat plate assembly comprises an extended land area beyond the chaining finger and having a slot located therebeyond through which a feed dog protrudes during operation, to thereby retain the chain stitch during chaining off.

Abstract: The sewing attachment of a jacket front panel zipper in which the edges of the zipper side tapes are folded into inwardly facing C shapes and the left and right jacket front panel edges into outwardly facing C shapes, and these inwardly and outwardly facing C shapes are interfolded with each other and held in this relationship by the zipper attaching seams, with the result that the cut edges of the sewn together components are hidden within the folding from view to thereby enhance the appearance of jacket.

Abstract: To attach a strip of cloth provided with a zip-fastener component to each of two trouser foreparts, the edge of the trouser forepart is folded over before being joined to the strip of cloth. The trouser forepart with the folded-over edge and the strip of cloth are positioned relative to one another in a position which they occupy after being sewn together. Subsequently, this sewing takes place in a clamping fixture in a single sewing operation. The purpose of this measure is to attach the strip of cloth and zip-fastener component to a trouser forepart with the minimum possible effort.

Abstract: A multiple biased structural fabric and a method for making the same, are disclosed. In a preferred embodiment, double biased structural farbic is produced using the novel method. Single biased fabric made up of structural yarns held together by secondary yarns is fed through a folding machine. The single biased fabric folded onto itself in the folding machine presents two layers of single biased fabric in the form of a double biased fabric. This fabric is then fed to a stitching machine. The stitching machine knits or sews the two layers of fabric together to produce the double biased fabric of the instant invention.

Abstract: A pocket cloth folding device of a pocket setter in which a flow controller is provided on a folding-pieces support member such that the amount of working fluid through a fluid pressure driver for movement of the folding-pieces support member is controlled. The flow controller is constructed to be connected to either a flow supply path or a flow exhaust path via connectors. The flow amount of the flow controller is regulated in advance according to the type of the folding-pieces support member. Therefore, the pocket cloth folding device can fold the peripheral edge of the pocket cloth, immediately after the folding-pieces support member is attached to support blocks. The amount of supply air and exhaust air of the fluid pressure driver does not need to be adjusted each time a different type of pocket cloth is to be folded.

Abstract: A method and sewing unit for folding a strip of cloth and then transporting it to a sewing machine together with a sewing material blank to which it is to be sewn. In accordance with this invention, the sewing material blank 109, which has been laid out in accordance with markings at a layout point 101 of the sewing unit, together with the strip of cloth 110, are transferred by a feed device 8 to a transfer point 106 beneath the sewing-material holder 9, which has previously been raised. A pivotable and displaceable folding-plate 94 provided on the sewing-material holder, together with a counterplate 54 of the feed device 8, carries out the folding of the strip of cloth 110. Then the folding-plate 94 is pulled forward and the counterplate 54 backward, and the feed device 8 is placed in its raised position. The sewing-material holder 9 moves the folded strip of cloth 110 and the blank 109 lying under it to the sewing point 108 at the sewing machine 3.

Abstract: A triple folding device for folding a hem of a towel utilizes four cams respectively driven by a single rotative drive source, and four link mechanisms respectively driven by corresponding cams. A guide ruler secured to a first guide shaft is driven by one of the link mechanisms. A thrust block is connected to and driven by another one of the link mechanisms. An upper presser is secured to a second guide shaft which is driven by yet another link mechanism. Another second thrust block is connected to and driven by yet another link mechanism. A lower presser is positioned under the upper presser. A pressing unit is driven by a second drive unit. A guide ruler is moved vertically and horizontally by the vertical motion of the first guide shaft and the horizontal motion of the first thrust block for guiding a hem of a towel. The lower presser is moved horizontally by a first drive unit to press the hem of the towel.

Abstract: An apparatus for folding a strip of material and supplying the same to a sewing machine which sewingly attach the folded strip of material (B) to a base material (C). The apparatus comprises a movable base (78) reciprocally movable between its standby position and its supply position, a strip of a material support member (87,88) mounted on the movable base (78) for receiving and supporting the strip of material (B) supplied when the movable base (78) is positioned at the standby position, and for transferring the strip of material (B) to the sewing machine bed (121) when the movable base (78) is positioned at the supply position, and a pair of folding plates (117,118) movable toward and away from the strip of material support member (87,88) in a first direction across the strip of material for bending the end poritons of the strip of material (B) into an L-shape, and in a second direction perpendicular to the first direction for bending the L-shaped end portions of the strip of material (B) into a U-shape.

Abstract: A hem folding attachment for folding a reinforcement member into the end of a strip of material prior to insertion of the folded end of the strip of material into a hem forming maching. The attachment including a frame or table having a guide mounted on the frame for aligning the strip of material on the table and a hem stop mounted on the frame for engaging the end of the strip of material. The reinforcement member is aligned on the top of the strip of material in a spaced relation to the hem stop. A folder bar is mounted on the frame beneath the strip of material for movement upwardly into engagement with the strip of material to fold the end of the strip of material around the reinforcement member. A shuttle is moved into engagement with the reinforcement member and folds the end of the strip over the top of the reinforcement member. The shuttle includes a clamp for engaging the reinforcement member prior to the movement of the shuttle transversely to feed the strip into the hem forming machine.

Abstract: A sewing machine for making a threefold hem in each of the legs of a pair of trousers has a folding guide member for turning a bottom edge of the trouser leg inwardly of the trouser leg, a revolving roller positioned below the folding guide member for rocking motion in a direction rightwards and leftwards, and a detecting plate positioned above the folding guide member for the detection of the passage of at least one seam in the trouser legs over the folding guide member and movable up and down.

Abstract: A seam forming apparatus for forming a full felled seam at one lateral edge of each of two limp material segments establishes a specific geometrical relationship between the segments. The apparatus includes a fold assembly which extends along a reference axis from an input end to an output end. The fold assembly constrains portions of said first and second segments adjacent to the lateral edge to be substantially adjacent and substantially straight in the direction transverse to the reference axis at points near the input end of the fold assembly. Those portions are constrained to be substantially V-shaped in the direction transverse to the reference axis and oppositely-directed and interleaved at points outside and near the output end of the fold assembly. Between the input and output ends, those portions are constrained to be substantially adjacent and substantially Z-shaped in the direction transverse to the reference axis.

Abstract: Method and apparatus to fabricate a unique fitted bedding covers from a generally rectangular blank of textile material of selected dimension which can permit automated operation to provide bedding covers which accommodate mattress corners and allows application of elastic to select portions of the sides of the blank in stretched condition to prevent movement of the cover when it is placed over a mattress. Bedding covers, methods and apparatus within the scope of the present invention also can be fabricated without cutting the rectangular blank or with cutting of the blank either prior to or after application of the stretched elastic material.

Abstract: An apparatus for joining the pocket bag (I) and the pocket trimming (II) in trouser pockets, with a folded fabric edge of the pocket trimming (II) being sewn by means of a sewing-machine (4) to the pocket bag (I) consisting of lining material. For rapid, automatic preparation of a pocket bag (I) together with a pocket trimming (I) having a folded fabric edge to be sewn to said pocket bag (I), as well as for rapidly and automatically supplying said bag and said trimming to the sewing operation in continuously following manner to said preparation step, it is provided according to the present invention that a folding means (5) and a material conveyor (6) for conveying the material to be sewn are associated with the sewing-machine (4). The folding means, as seen in sewing feed direction, is located in front of the sewing-machine (4) whereas the material conveyor (6) is provided between the folding means (5) and the sewing-machine (4).

Abstract: A sewing machine provided with guide means and ironing means having an ultrasonic heating means. The guide means folds back the free margins of an upper and lower fabric pieces, and the folded margins are pressed or ironed by the ultrasonic heating means. The ultrasonic heating means includes an ultrasonic horn and an anvil relatively movable toward and away from each other. A thickness detector is provided for detecting a combined thickness of the upper and lower fabric pieces, and control means is also provided for controlling one of the heating energy of the ultrasonic heating means and a distance between the horn and the anvil in response to the detected thickness.

Abstract: A device for folding an edge of a fabric for making a single or a double hem. The device includes a pair of cooperating endless, driven bands for conveying the fabric edge through the device. One of the bands cooperates with a fixed rule and is twisted to correspond to the gradual folding of the fabric edge. The speed of one of the bands can be temporarily varied relative to the other so that the trailing edge of the hem is located somewhat inside of an edge of the fabric which extends transversely to the hem.

Abstract: To attach a strip of cloth provided with a zip-fastener component to each of two trouser foreparts, the edge of the trouser forepart is folded over before being joined to the strip of cloth. The trouser forepart with the folded-over edge and the strip of cloth are positioned relative to one another in a position which they occupy after being sewn together. Subsequently, this sewing takes place in a clamping fixture in a single sewing operation. The purpose of this measure is to attach the strip of cloth and zip-fastener component to a trouser forepart with the minimum possible effort.

Abstract: Apparatus for stretching and folding a limp fabric piece (1), having a plurality of opposed elastic bands (12,12',13,13') extending therefrom comprising a platform (2) having a foldable segment, means for folding said foldable segment relative to the platform (2),A limp fabric piece feeding plate (5) for feeding said limp fabric piece (1) to said platform (2) and holding said fabric piece (1) thereon in an extended condition and in a pre-determined position to enable eventual folding of the fabric piece (1) to produce a garment,means for moving said plate (5) horizontally or vertically,suction means located adjacent said platform (2) for applying suction to the elastic bands (12,12',13,13') extending from the fabric piece (1),elastic band gripper means associated with the suction means for gripping and holding the sucked-in elastic bands (12,12',13,13'), relative to said suction means,means for moving said suction means relative to said platform (2) to stretch said fabric piece (1),garment gripper means assoc

Abstract: A folding device for an automatic sewing machine has a carrier plate for a first workpiece, a sword which is movable in the longitudinal direction thereof to receive a second workpiece and an outer frame having creasing devices for folding the second workpiece around the sword. The outer frame is pivotable into a total of three different working positions. In addition, it is movable out of its working positions into a retracted position. The purpose of this measure is to improve the field of vision for the operator while at the same time reducing the risk of an accident.

Abstract: A waistband sew-in device to carry out. The sewing of waistbands in the waist part of briefs, skirts and trousers by retaining a cloth in a hoop shape with a stationary frame equipped with an inverted two-legged U-shaped guide surface, inserting a stretched waistband outside the cloth, folding over a cloth edge of the cloth in two plies to the outside of the waistband, further folding the cloth edge of the already folded part in two plies to be pushed into the space between the waistband and the cloth, sliding a belt strip reeled on the guide surface of the stationary frame on the guide surface by a take-up and rewinding mechanism installed on each leg of the two legs of the stationary frame, and sending the cloth having the waistband reeled in its three-folded cloth edge into a sewing unit of a sewing machine together with said waistband.

Abstract: Sheet material (30) is cut into rectangular segments (35). The segments are then moved in sequence parallel to their cut edges (26) rapidly away from the cutting station (34) into a slower operating first sewing station (40) where elastic bands (20, 21) are sewn to the cut head and foot edge portions (26, 27) of the segments. The rapidly moving trailing portion of each segment (35) of sheet material is temporarily accumulated at the accumulation station (39) and progressively fed at a lower rate from the accumulation station to the first sewing station (40). The head and foot edge portions (26, 27) of each segment are folded into overlying relationship with respect to the main body portion by passing the main body portion through a U-shaped turn (49) and at the same time passing the head and foot edge portions through a pair of reverse 90 degree turns (50 and 53).

Abstract: This invention relates to an automatic sewing machine exclusively used for sewing a zipper on a workpiece and its related art. The automatic sewing machine exclusively used for sewing a zipper on a workpiece comprises a sewing machine (10,20) capable of at least sewing linearly, a drive device movable in two axes right angles to each other in a plane vertical to the movement direction of the needle (11, 21) of the sewing machine and a zipper setting device (12, 22) attached to said drive device for gripping said zipper (3) and workpiece (1) in a predetermined relationship.

Abstract: This invention relates to an automatic sewing machine exclusively used for sewing a zipper on a workpiece and its related art. The automatic sewing machine exclusively used for sewing a zipper on a workpiece comprises a sewing machine (10, 20) capable of at least sewing linearly, a drive device movable in two axes right angles to each other in a plane vertical to the movement direction of the needle (11, 21) of the sewing machine and a zipper setting device (12, 22) attached to said drive device for gripping said zipper (3) and workpiece (1) in a predetermined relationship.

Abstract: An apparatus installed on a sewing machine for automatically turning over a garment flap during zipper stitching first descends such that a flap lever which turns the flap over is positioned closely beside the flap, and second the flap lever is rotated laterally. The flap lever securely turns over the flap without being lifted unnecessarily higher, and the initial position of the flap lever is high enough to not obstruct the setting work of workpiece. A pneumatic cylinder successively causes the above described actions.

Abstract: A sewing machine for sewing together two sheets of material and for separating and pressing their edges, includes folding means for separating and folding the edges and an ultrasonic generator for pressing and creasing them. An additional device includes a speed sensor for sensing a sewing speed of the sewing machine and a control device for controlling the ultrasonic generator to vary a strength of the ultrasonic wave according to the sensed sewing speed.

Abstract: A workpiece holding device for a sewing machine is disclosed. When a workpiece holder is connected to a supporter, a connecting rod having a peripheral groove and extending from the workpiece holder is inserted into a horizontal hole formed in the supporter. In this case, the peripheral groove of the connecting rod is positioned to communicate with a vertical hole formed in the supporter. A piston rod slidably provided in the vertical hole is actuated by an air cylinder mechanism to be engaged with the peripheral groove of the connecting rod. In order to firmly engage the connecting rod and the piston rod, spring mechanism is also provided in addition to the air cylinder mechanism. Thus, the workpiece holder can be fixedly connected to the supporter, and easily detached from the supporter without tools and troublesome operations.

Abstract: Sheet material (30) is cut into rectangular segments (35). The segments are then moved parallel to their cut edges rapidly away from the cutting station into a slower operating first sewing station (40) where elastic bands are sewn to the cut head and foot edge portions of the segment. The rapidly moving trailing portion of the segment (35) of sheet material is temporarily accumulated at the accumulation station (39) and progressively fed at a lower rate from the accumulation station to the first sewing station. The head and foot edge portions are folded into overlying relationship with respect the main body portion by passing the main body portion through a U-shaped turn and at the same time passing the head and foot edge portions through a pair of 90 degree turns. Sewing machines are moved first inwardly and then outwardly across the folded edge portions of the segment, thus forming the sewn line of chain stitching at the corners of the bedsheet.

Abstract: A method of and tools for forming sewing machine binder strip folders for folding a cloth binder strip laterally as it is fed to the sewing machine needle for stitching the folded binder strip to fabric which is fed past the needle with the folded strip.

Abstract: A method of and an apparatus for feeding a cylindrical piece of fabric to a sewing portion of a sewing machine whereby a hem is set at the edge portion of the fabric as a twice-folded, three-layered band. The apparatus has parallel supports for the cylindrical fabric both secured to the sewing portion, and a plurality of pairs of clamp plates disposed to the left and right of the supports at forward and backward positions and movable to the left and right and back and forth. The cylindrical piece of fabric is supported around the supports and four pairs of clamp plates are moved in such a manner that the fabric portions are appropriately stretched and the fabric has a twice folded portion.

Abstract: A mock-linking apparatus is disclosed for linking a specially knitted edging trim in the form of a ribbon of knitted yarn with an unfinished edge of a knitted garment, such as a V-neck opening, to obtain a finish which substantially simulates a point-to-point link finish. The trim is weft-knitted on a double bed knitting machine to incorporate a course of transfer stitches followed by a slack tension course which defines a fold line to facilitate tucking-in of the ravel edge, and an adjacent seam line along the folded edge, wherein the seam line is well-defined by a line of outwardly-protruding loops with spaces therebetween. A conventional chain-stitch sewing machine is used, provided with folding means and guide means to bring the seam line of the trim, which has been folded over the unfinished garment edge, into alignment with the needle path, wherein the two pieces of knitted fabric are joined along the seam line with matching thread.

Abstract: In an automatic sewing device for sewing together tubular workpieces such as sleeves, and pocket-shaped workpieces, such as cuffs, there are provided an inner clamp, a central clamp and an outer clamp. These clamps are associated with an inner sleeve clamp and an outer sleeve clamp, the latter being associated with a folding device for gathering up a material fullness of the tubular workpiece. Devices are also provided for opening the pocket-shaped workpiece in order that the border of the tubular workpiece may be inserted and positioned. The associated sewing machine can be moved in a straight line relative to the parts described. A part of the border of the tubular workpiece is positioned in the pocket-shaped workpiece and sewn to the latter by means of a straight-line seam. Subsequently, the clamping in this area is released and the positioning of the border of the tubular workpiece in the pocket-shaped workpiece is carried out and clamping is effected.

Abstract: The device according to the invention comprises a passive guiding assembly and a correction device, acting in combination to offer a regular fold before the stitching station. The passive assembly comprises two elements of which one is placed inside the other in the form of a U during formation of the fold. The upper and lower faces of the inner element are plane and horizontal, the lower face being in the working plane of the stitching station. The recess between the two elements allows passage of the fabric. The correction device comprises a device for detecting the presence of the fabric placed under the inner element and an active guiding assembly. The active guiding assembly abuts on the fabric and ensures transverse displacement thereof as a function of the instructions given by the detection device.