Abstract: A sewing error management device includes a display portion, a processor, and a memory. The memory is configured to store computer-readable instructions that, when executed by the processor, instruct the processor to acquire an error image obtained by drawing an occurrence position of an error on a sewing pattern. The acquiring the error image is based on coordinates representing a formation position of a sewing stitch being sewn at a time point when the error occurs in sewing of the sewing pattern formed by a plurality of sewing stitches. The acquiring the error image is also based on an image showing a shape of the sewing pattern. And the computer-readable instructions further instruct the processor to display the acquired error image on the display portion.

Abstract: A film roll on which a tube film is wound is supported by a lower shelf of a frame. The tube film is fed from a reel mechanism. A table for guiding the fed tube film is provided in the upper part of the apparatus. The tube film held by a clip mechanism on the table is drawn to the front end of the table, and the drawn tube film is cut into a predetermined length while being pressed by a press cutter. The clip mechanism is provided with a clip including a pair of fingers for holding the tube film. The clip mechanism is provided on a slide mechanism for reciprocating the clip.

Abstract: The invention relates to material delivery systems and particularly to pulse controlled material delivery systems.

Abstract: A folding machine includes a conveyance roll configured to come into contact with both a first region and the second region being flush with each other; a web guide mechanism configured to cause the first region and the second region to face each other with reference to the folding line so that an angle between the first region and the second region becomes smaller toward downstream; a press mechanism configured to press at least any one of the first region and the second region. The press mechanism changes a pressing strength on the web to change at least either a track length (first track length) in which one side edge provided on a downstream of a conveyance roll is conveyed or a track length (second track length) in which other side edge is conveyed.

Abstract: An all-in-one bath mixer assembly has a water-flow controlling apparatus, a water-draining apparatus, an overflow pipe, a pulling rope, and a water plug apparatus. The water-flow controlling apparatus has a base, a cover, a controlling rod, and a swinging rod. The cover and the controlling rod are mounted on the base; the swinging rod is mounted around the controlling rod. The water-draining apparatus is mounted on the water-flow controlling apparatus and connects with the controlling rod. The overflow pipe is connected with the water-flow controlling apparatus. The pulling rope is fixed in the water-flow controlling apparatus and is connected with the swinging rod. The water plug apparatus is connected with the overflow pipe and the pulling rope. The water-flow controlling apparatus, the water-draining apparatus and the water plug apparatus are combined together as a single apparatus and provide multiple functions for easy and quick use and installation.

Abstract: A sewing machine includes a cloth thickness detection device, a storage device, and a control device. The cloth thickness detection device detects a cloth thickness of a work cloth. The storage device stores cut data that include a plurality of needle drop points for a cutting needle. The control device modifies a distance between adjacent ones of the needle drop points in the cut data in accordance with the cloth thickness that has been detected by the cloth thickness detection device. Then control device performs cut work on the work cloth using the cutting needle, in accordance with the cut data in which the distance between the adjacent needle drop points has been modified.

Abstract: A sewing machine may comprise a needle bar driving mechanism, a cutting needle rotation mechanism, and an embroidery frame movement mechanism configured to move an embroidery frame comprising a protruding portion. A cam member may be fixed to the needle bar and comprise a plurality of cams. A processor of the sewing machine may set a height of the needle bar to a specific position from a plurality of positions. Each of the plurality of positions may represent that each of the plurality of cams is able to contact with the protruding portion. The processor may instruct the needle bar driving mechanism to move the needle bar to the specific position and instruct the embroidery frame movement mechanism to move the embroidery frame to a position where the protruding portion is able to contact with one of the plurality of cams.

Abstract: A method and a device for cutting at least an upper thread of a sewing machine provided with a fabric clamping member (20), wherein a length of the thread consumed for a cut can be set within a predetermined interval. The method for cutting at least the upper thread (4) of a sewing machine (1) includes the steps: feeding a predetermined length x of said upper thread (4) utilizing a thread feeder (15), pulling out the upper thread (4) said predetermined length utilizing a displacement of said fabric clamping member (20) from a current position to a second position executing by means of a sewing machine processor (C) program sequences stored in a memory (M) for controlling a thread cutter (10) to perform a cut of at least said upper thread (4).

Abstract: A sewing machine may comprise a needle bar driving mechanism, a cutting needle rotation mechanism, and an embroidery frame movement mechanism configured to move an embroidery frame comprising a protruding portion. A cam member may be fixed to the needle bar and comprise a plurality of cams. A processor of the sewing machine may set a height of the needle bar to a specific position from a plurality of positions. Each of the plurality of positions may represent that each of the plurality of cams is able to contact with the protruding portion. The processor may instruct the needle bar driving mechanism to move the needle bar to the specific position and instruct the embroidery frame movement mechanism to move the embroidery frame to a position where the protruding portion is able to contact with one of the plurality of cams.

Abstract: An apparatus includes a processor and a memory. The memory is configured to store computer-readable instructions that, when executed by the processor, instruct the processor to perform processes including acquiring pattern data, specifying an outline of the embroidery pattern based on the pattern data, creating hole data for causing the sewing machine to form a plurality of holes including one or more first holes and one or more second holes, creating first stitch data for causing the sewing machine to sew one or more stitches for the one or more first holes, and creating embroidery data for causing the sewing machine to form one or more first holes, and sew the one or more stitches for the one or more first holes, and causing the sewing machine to form the one or more second holes, before causing the sewing machine to sew an outline pattern.

Abstract: An apparatus includes a processor and a memory. The memory is configured to store computer-readable instructions that, when executed, cause the processor to perform processes including acquiring a plurality of first needle drop points, acquiring a plurality of blade directions of a plurality of cutting needles, specifying a plurality of second needle drop points, calculating a first angular difference between a cutting line segment and a specific blade direction among the plurality of blade directions, specifying a specific rotation angle of the pattern, wherein the specific rotation angle is either a rotation angle of the pattern corresponding to the first angular difference which is smallest of the calculated first angular difference or a rotation angle of the pattern corresponding to the first angular difference which is equal to or smaller than a predetermined first threshold value, and generating cutting data.

Abstract: A sewing machine having a rotatable head portion includes a sewing machine frame shaped in a box using supporting posts and supporting bars to hold the sewing machine; a sewing machine main body mounted on the sewing machine frame; a head portion disposed at the front end of the sewing machine main body and rotatably installed through head portion rotating means; a bed portion rotatably installed under the head portion through bed portion rotating means; X-axis transporting means moving the sewing machine main body mounted on the sewing machine frame in X direction; Y-axis transporting means moving the sewing machine main body mounted on the sewing machine frame in Y direction; and a sewing object fixing frame provided at the front part of the sewing machine frame where the sewing object is held. The head portion and the bed portion are rotated to sew the sewing object.

Abstract: A water-resistant connector for use with fabric and sheet-like material comprises two plates stitched to each other on either side of and through the fabric or sheet-like material with at least one gasket made of an elastomeric material such as neoprene being placed between one of the plates and the fabric or sheet-like material. The gasket is stitched through and compressed between the plates so as to press against the stitching for water resistance. A suitable elastomeric material is a sheet of elastomeric compound adhered to either side of a reinforcing scrim.

Abstract: A multi-needle sewing machine includes a plurality of needle bars to each bottom end of which a needle can be attached, a needle bar case in which the plurality of needle bars are disposed in a line and that supports the plurality of the needle bars movably in an up-and-down direction, a needle bar case moving device that, by moving the needle bar case, moves one of the plurality of the needle bars to an image capture position, the image capture position being a position that is located directly above a needle drop position that is a sewing position, and an image capture device that is provided in a position that is lined up with the plurality of the needle bars, that is positioned in the image capture position by the needle bar case moving device's moving of the needle bar case, and that captures an image.

Abstract: A workpiece holder is usable with an embroidery sewing machine including a needle bar movable upward and downward and a transfer mechanism transferring the workpiece in two directions. The workpiece holder holds the workpiece when the workpiece is engraved by striking the workpiece by a striking needle attached to the needle bar while the workpiece is transferred by the transfer mechanism. The workpiece holder includes a pair of connecting portions detachably attached to the transfer mechanism, a placement member on which the workpiece is placed and a holding mechanism which is located on the placement member to hold a part of the workpiece other than a worked surface of the workpiece which is engraved, so that the part is fixed.

Abstract: A multi-needle sewing machine including a plurality of needle bars including a specific needle bar allowing detachable attachment of a punch needle that punch engraves a surface of a punch workpiece in dot-by-dot strokes; a transfer mechanism that allows detachable attachment of a punch workpiece holder a detector that detects the attachment of the punch workpiece holder on the transfer mechanism; and a controller that when the attachment of the punch workpiece holder is detected by the detector, executes a punch engraving operation on the punch workpiece with the punch needle by selecting the specific needle bar and by controlling a needle-bar selector/driver mechanism and the transfer mechanism based on punch engraving pattern data which is pre-stored or given by external components.

Abstract: An apparatus includes a processor and a memory configured to store a plurality of cut length data items and a computer-readable instructions that instruct the apparatus to execute steps comprising acquiring pattern data, setting, as a plurality of first needle drop points, a plurality of points on the pattern line at predetermined intervals, setting a cut angle corresponding to each of the plurality of first needle drop points, determining a plurality of second needle drop points among the plurality of first needle drop points, consolidating, based on the plurality of cut length data items, at least some of the plurality of second needle drop points into at least one third needle drop point, identifying a cutting blade corresponding to each of a plurality of fourth needle drop points among the plurality of cutting blades based on the plurality of cut length data items, and generating cut data.

Abstract: A sewing machine includes a display, a projection portion, a processor, and a memory. The display is configured to display display information related to sewing. The projection portion is configured to project a mark having a predetermined shape toward a sewing machine bed. The memory is configured to store computer-readable instructions therein that, when executed by the processor, cause the sewing machine to project, by the projection portion, the mark toward the sewing machine bed, and display by the display, mark display information that represents the mark and stitch type display information of a planned stitch type to be sewn, in a first positional relationship that corresponds to a second positional relationship between the position of the planned stitch type to be sewn and the position of the mark configured to be projected on the sewing machine bed.

Abstract: An apparatus includes a processor and a memory. The memory is configured to store computer-readable instructions that instruct the apparatus to execute steps including acquiring pattern data, identifying a plurality of needle drop points, identifying a corresponding identified needle, storing needle drop point data and identified needle data in association with each other in the memory, identifying a continuous number of times, replacing, among the identified needle data stored in the memory, the identified needle data of the identified needle for which the identified continuous number of times is smaller than a threshold value, with other identified needle data corresponding to the needle drop point data of one of a previous needle drop point and a subsequent needle drop point in the order, and generating cut data based on the needle drop point data and the identified needle data stored in the memory.

Abstract: A sewing machine having a rotatable head portion includes a sewing machine frame shaped in a box using supporting posts and supporting bars to hold the sewing machine; a sewing machine main body mounted on the sewing machine frame; a head portion disposed at the front end of the sewing machine main body and rotatably installed through head portion rotating means; a bed portion rotatably installed under the head portion through bed portion rotating means; X-axis transporting means moving the sewing machine main body mounted on the sewing machine frame in X direction; Y-axis transporting means moving the sewing machine main body mounted on the sewing machine frame in Y direction; and a sewing object fixing frame provided at the front part of the sewing machine frame where the sewing object is held. The head portion and the bed portion are rotated to sew the sewing object.

Abstract: A sewing machine includes a holder including an embroidery frame holding a workpiece cloth and a striking holder holding an engraving workpiece which is to be engraved by striking, a transfer mechanism detachably attached to either the embroidery frame or the striking holder to transfer the embroidery frame or the striking holder on a sewing machine bed, a striking needle which is struck against the engraving workpiece to engrave the engraving workpiece, a drive mechanism reciprocally driving the striking needle upward and downward, and a control device controlling at least one of execution of an embroidery sewing operation onto the workpiece cloth and execution of an engraving operation in which the striking needle is moved upward and downward so that the striking needle is struck against the engraving workpiece held by the striking holder while the striking holder is moved by the transfer mechanism.

Abstract: A sewing bobbin assembly and method that provides access of a sewing machine, and particularly a bobbin in the sewing machine, to a larger supply of thread with automatic reloading of the bobbin during use thereof.

Abstract: A sewing machine which forms stitches on a first object to be sewn based on stitch data, includes an imaging unit which images an outline of an upper cloth as the first object onto a lower cloth as a second object, obtaining image data, an outline calculation unit which calculates the outline of the upper cloth from the image data obtained by the imaging unit, a determination unit which determines a stitch-forming region for sewing the upper cloth onto the lower cloth based on the outline of the upper cloth calculated by the outline calculation unit, and a stitch data generating unit which generates stitch data for the stitch-forming region determined by the determination unit.

Abstract: A system, device, and method for detecting the position of a needle during a needlework operation.

Abstract: An embroidery data generating device is disclosed. The embroidery data generating device generates embroidery data that is used for sewing an embroidery pattern including multiple color-wise pattern sections with a sewing machine and that includes thread color data specifying a color of each of the color-wise pattern sections. The embroidery data generating device includes a first storage device that stores multiple entries of preset color information; an extractor that randomly extracts color data used as the thread color data from each entry of the color information stored in the first storage device; and an allocator that randomly allocates the color data extracted by the extractor to each of the thread color data associated with each of the color-wise pattern sections.

Abstract: A sewing machine includes a storage portion that stores pattern information and implement information for each of a plurality of patterns, a selecting portion that selects a desired pattern as a selected pattern, a first specifying portion that specifies, as one or more required implements, one or more sewing implements that are required in order to sew the selected pattern, a reading portion that reads, as tag information, information that is stored in one or more wireless tags and that identifies one or more prepared implements, a second specifying portion that specifies the one or more prepared implements based on the tag information that has been read by the reading portion, and an informing control portion that, in a case where there are one or more unprepared required implements, causes an informing portion to inform at least unprepared required implement information.

Abstract: A top feeder arrangement for a sewing machine provided with a processor for controlling stitches sewn on a cloth, wherein the sewing machine has a sewing machine head which comprises a needle mechanism with a needle bar (1) provided with a needle (2), a presser bar (3) provided with a presser foot (4) and a top feeder arm (10) provided at its lower end with a top feeder (11) acting from an upper surface of a cloth for feeding the cloth in the sewing direction and wherein the sewing machine is provided with a mechanism (12, 15, 17, 18) providing a controllable pressure of the top feeder (11) against the cloth.

Abstract: A sewing machine includes a creating portion that creates a projection image being an image that includes a characteristic point and that is to be projected onto a sewing object, a projecting portion that projects onto the sewing object the projection image created by the creating portion, an image capture portion that is mounted in a position being different from a position of the projecting portion and that creates a captured image by image capture of the characteristic point projected by the projecting portion, and a computing portion that computes a thickness of the sewing object based on the projection image created by the creating portion and the captured image created by the image capture portion.

Abstract: A sewing machine includes a moving portion that moves a sewing object having a pattern to a first position and to a second position, an image capture portion that creates an image by image capture of the sewing object, a first acquiring portion that acquires a first image created by image capture of a first area by the image capture portion, a second acquiring portion that acquires a second image created by image capture of a second area by the image capture portion, and a computing portion that computes, as position information, at least one of a thickness of the sewing object at a portion where the pattern is located and a position of the pattern on a surface of the sewing object, based on the first position, the second position, a position of the pattern in the first image, and a position of the pattern in the second image.

Abstract: A method and a device for cutting at least an upper thread of a sewing machine provided with a fabric clamping member (20), wherein a length of the thread consumed for a cut can be set within a predetermined interval. The method for cutting at least the upper thread (4) of a sewing machine (1) includes the steps: feeding a predetermined length x of said upper thread (4) utilizing a thread feeder (15), pulling out the upper thread (4) said predetermined length utilizing a displacement of said fabric clamping member (20) from a current position to a second position executing by means of a sewing machine processor (C) program sequences stored in a memory (M) for controlling a thread cutter (10) to perform a cut of at least said upper thread (4).

Abstract: A multi-thread single-line shuttle stitch line, consisting of at least three threads, where each top thread is independently and separately connected with each bottom thread in a pre-determinable sequence of such connection through perforations in the material, with all of said top and bottom threads passing through said perforations, making one stitch line. The top threads can be intertwined, as can the bottom threads.

Abstract: A multi-needle sewing machine includes a plurality of needle bars to each bottom end of which a needle can be attached, a needle bar case in which the plurality of needle bars are disposed in a line and that supports the plurality of the needle bars movably in an up-and-down direction, a needle bar case moving device that, by moving the needle bar case, moves one of the plurality of the needle bars to an image capture position, the image capture position being a position that is located directly above a needle drop position that is a sewing position, and an image capture device that is provided in a position that is lined up with the plurality of the needle bars, that is positioned in the image capture position by the needle bar case moving device's moving of the needle bar case, and that captures an image.

Abstract: A sewing machine including a presser foot that presses a workpiece, a presser bar that has a lower end allowing detachable attachment of the presser foot; a presser bar vertically moving mechanism that moves the presser bar up and down; a presser bar driver that drives the presser bar vertically moving mechanism; a needle plate that has an upper surface for placing the workpiece; a projecting element that is detachably attached to the presser bar and that is driven up and down with the presser bar as the presser bar is driven up and down by the presser bar driver through the presser bar vertically moving mechanism to form embosses on the workpiece by downwardly pressing the workpiece; and a receiving section that is provided on the upper surface of the needle plate that opposes the projecting element to receive a tip of the projecting element.

Abstract: An embroidery stitcher including an embroidery frame that holds a workpiece cloth and that is provided with a sewable area for sewing the held workpiece cloth; a transparent display device that has a display area that provides visibility behind thereof and that is capable of displaying embroidery pattern information of at least an embroidery pattern to be sewn; and an attachment mechanism that allows detachable attachment of the display device at a position that renders the display area and the sewable area to at least partially overlap.

Abstract: A stitcher is provided that includes a needle configured to place stitches in a fabric that is moved therethrough. The stitcher includes a sensor positioned below the fabric to monitor stitches placed in the fabric. A microcontroller is provided configured to receive data from the sensor and, based on such data, to compare one or more attributes of the monitored stitches with one or more predetermined parameters relating at least one attribute of the fabric. The predetermined parameter may be either hardcoded inn the microcontroller or input by a user of the stitcher prior to beginning operation of the machine. When the attributes of the monitored stitches fall outside of the predetermined parameters, the microcontroller initiates notification of the user.

Abstract: The present invention relates to a device and a method for monitoring a thread wound on a bobbin during operation in a sewing machine. In order to further develop a method and a device of the type specified initially whilst reducing the expenditure on apparatus and production technology with increased monitoring reliability it is suggested for a device for monitoring a thread wound on a bobbin (3) during operation in a sewing machine (1), wherein at least two different marking states are provided in the area of the bobbin (3) and are coupled to an optical device (8) in such a manner that movement of the bobbin (3) produces a change in marking which can be detected in the optical device (8) which can be evaluated in a logic unit connected to the optical device (8), that the marking (10) in the area of the bobbin (3) comprises more than two states, wherein at least one state is defined by at least one color (g, r, b) or a mixture of the primary colors.

Abstract: A tucking attachment for a sewing machine having a tucking blade with one end positioned adjacent material and a tucking blade drive with an output shaft mechanically coupled to the tucking blade. A control, connected to the tucking blade drive, is operable to command displacement to form a tuck in the material adjacent a presser foot of the sewing machine. Thereafter, the sewing machine is operated to sew a number of stitches in the tuck, and the tucking blade is then retracted. Repeating the above cycle of operation permits successive tucks of different lengths to be formed in the material.

Abstract: A sewing machine includes: a memory unit for storing design pattern information corresponding to different design patterns, and stitch type information corresponding to different types of stitch patterns; a selecting unit operable so as to output a control signal corresponding to a selected design pattern and a selected type of the stitch pattern; a processing unit coupled to the memory and the selecting unit, and responsive to the control signal from the selecting unit to output an image signal; and a projector receiving the image signal from the processing unit and operable so as to project an image corresponding to the image signal. The image shows a picture corresponding to the selected design pattern and having a contour formed by the selected type of the stitch pattern.

Abstract: A device for coloring a thread body includes a thread-feeding unit adapted for feeding the thread body at a predetermined speed such that the thread body is transported along a feeding path. A coloring unit is disposed fixedly adjacent to the feeding path, and is operable so as to spray a coloring material onto the thread body. A control unit is connected electrically to the coloring unit, and is operable so as to control the coloring unit to spray the coloring material, which has a desired one of a plurality of different colors.

Abstract: An apparatus for mitering portions of a workpiece to create mitered corners. The apparatus includes a base assembly. An X-Y positioning table is coupled to the base assembly. Clamp assemblies are coupled to the top of the positioning table for holding portions of a workpiece in place on the positioning table. A sewing machine is coupled to the base assembly and is adapted to sew a series of stitches along a V-shaped path. A notching device is coupled to the base assembly downstream from the sewing machine and is adapted for removing a portion of a workpiece defined by the V-shaped stitching path.

Abstract: The disclosure presents an embroidery data processing device and a computer program product capable of tearing off an elastic sheet easily after an item of embroidery has been sewn, thus enhancing working efficiency. A CPU extracts a contour line from needle drop points PN (N=1, 2, . . . , n) stored in embroidery data (S1 to S3).

Abstract: There is provided an inkjet printing device for performing a printing operation on fabric by use of an embroidery frame which is also used by a sewing machine to form an embroidery pattern on fabric. The inkjet printing device is provided with an inkjet head that ejects ink on the fabric, a holding member configured to fit in the embroidery frame to hold the embroidery frame, and a print control unit configured to perform the printing operation on the fabric held by the embroidery frame by use of the inkjet head and the holding member. The embroidery frame holds the fabric in a state of tension. The embroidery frame is fitted to the holding member in a condition where the fabric is stretched on one side of the embroidery frame, the one side facing the inkjet head.

Abstract: A size-identification system for bed sheets and the like is developed at the stage of weaving the greige fabric from which the bed sheets are made. One woven greige fabric (12) has a colored warp yarn (14?) in a selvage (20). A bed sheet (24) made from the fabric (12) has a selvage (26) which includes a colored warp yarn (30). Another woven greige fabric (38) has a plurality of colored filling yarns (44?), with each filling yarn (44?) being spaced a predetermined distance from an adjacent filling yarn (44?) along the length of the fabric (38), so as to have one of the yarns (44?) located in a preselected section of a bed sheet (50) made from the fabric (38). A bed sheet (50) made from the fabric (38) has a colored filling yarn (64) located in a lower-end section (58) of the bed sheet (50).

Abstract: A tucking attachment for a sewing machine having a tucking blade with one end positioned adjacent material and a tucking blade drive with an output shaft mechanically coupled to the tucking blade. A control, connected to the tucking blade drive, is operable to command the tucking blade drive to move the tucking blade through a programmable displacement to form a tuck in the material adjacent a presser foot of the sewing machine. Thereafter, the sewing machine is operated to sew a number of stitches in the tuck, and the tucking blade is then retracted. Repeating the above cycle of operation permits successive tucks of different lengths to be formed in the material.

Abstract: The order in which panels 13 are to be quilted, the amount of quilting-induced shrinkage, and the amount of crop between adjacent panels 13 are stored in a machine readable file 13 for use in operating a print line 10. Such information 13 is printed or otherwise placed on the material 11 at the print line 10 so as to be readable by a sensor 22 at a quilting station, where the information 13 is read and used to control the quilter 21. Panels 15 are quilted according to a schedule and in batches in the most efficient manner, and panels are cut according to information read from records on the material. Shrinkage is compensated for and appropriate crops are made between panels. The printing line prints series of panels on a web 11 in rolls 14 that can be fed, last-printed panel first, into the quilter.

Abstract: A method and apparatus are disclosed for indicating stitching position in a stitching machine. The apparatus includes a laser assembly which emits laser light. The laser assembly is mounted to an upper arm assembly of the stitching machine, and is operable to indicate a location of at least a portion of a pattern to be stitched using the stitching machine. The laser assembly is mounted such that the laser light is unobstructed prior to hitting fabric which is to be stitched. The stitching machine may include a user interface which can be used to activate the laser assembly. The stitching machine may also trace an outline of a pattern to be stitched while the laser assembly is activated in order to verify that the pattern does not overlap a hoop which holds the fabric.

Abstract: A sewing apparatus includes a thread cutting mechanism that cuts a thread connected to a work cloth. In response to an operation of an operating member and detachment of a sewing cartridge from a sewing apparatus body, the thread cutting mechanism is actuated. The thread cutting mechanism includes a thread cutting lever, a link mechanism, cutting blades, and an engagement mechanism.

Abstract: A tucking attachment for a sewing machine having a tucking blade with one end positioned adjacent material and a tucking blade drive with an output shaft mechanically coupled to the tucking blade. A control, connected to the tucking blade drive, is operable to command the tucking blade drive to move the tucking blade through a programmable displacement to form a tuck in the material adjacent a presser foot of the sewing machine. Thereafter, the sewing machine is operated to sew a number of stitches in the tuck, and the tucking blade is then retracted. Repeating the above cycle of operation permits successive tucks of different lengths to be formed in the material.

Abstract: A pair of tension discs is disposed on a tension stud fixed in part of a sewing machine main body. A pneumatic cylinder has a drive rod. The drive rod moves at least one of the tension discs to other tension disc so that one tension disc is pressed to other tension disc. An air regulator is interposed between the pneumatic cylinder and an air supply source, being composed in an electropneumatic system for converting between voltage and air pressure. By controlling the applied voltage to the electropneumatic air regulator on the basis of an instruction from a microcomputer, the set pressure of the air supplied to the pneumatic cylinder is adjusted. Thereby the pressure to the thread held between the pair of tension discs, that is, the thread tension is controlled. As a result, without having to stop the operation of the sewing machine, the thread tension can be adjusted promptly and appropriately.

Abstract: A conduit sleeve structure for use with fiber optic cables, coaxial cables and the like includes a pair of adjacent strip-shaped layers of flexible material that are joined along their longitudinal edges to define a channel through which the cable can extend longitudinally through the innerduct structure between the layers. The adjacent layers have differing widths between their longitudinal edges, whereby the wider layer bulges away from the narrower layer to impart an open configuration to the channel. It has been found that the conduit sleeve structure may be manufactured more efficiently and inexpensively if multiple sheets and pull cords are stacked and arranged in such a way that multiple conduit sleeve structures may be manufactured simultaneously in a parallel arrangement. The method of manufacturing the conduit sleeve structures includes feeding several stacked sheets through a folding machine or mechanism, a stitching machine, and then a slitting machine.