WO2024069697A1 - Unité de couture, machine à coudre et procédé de fabrication d'un produit équipé d'une fermeture à glissière - Google Patents

Unité de couture, machine à coudre et procédé de fabrication d'un produit équipé d'une fermeture à glissière Download PDF

Info

Publication number
WO2024069697A1
WO2024069697A1 PCT/JP2022/035703 JP2022035703W WO2024069697A1 WO 2024069697 A1 WO2024069697 A1 WO 2024069697A1 JP 2022035703 W JP2022035703 W JP 2022035703W WO 2024069697 A1 WO2024069697 A1 WO 2024069697A1
Authority
WO
WIPO (PCT)
Prior art keywords
sewing
unit
fastener
stringer
sewing machine
Prior art date
Application number
PCT/JP2022/035703
Other languages
English (en)
Japanese (ja)
Inventor
佳之 庄
孝欣 田中
智也 海道
Original Assignee
Ykk株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ykk株式会社 filed Critical Ykk株式会社
Priority to PCT/JP2022/035703 priority Critical patent/WO2024069697A1/fr
Publication of WO2024069697A1 publication Critical patent/WO2024069697A1/fr

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B35/00—Work-feeding or -handling elements not otherwise provided for
    • D05B35/06—Work-feeding or -handling elements not otherwise provided for for attaching bands, ribbons, strips, or tapes or for binding

Definitions

  • the present invention relates to a sewing unit, a sewing machine to which the sewing unit is attached, and a method for manufacturing a product with a slide fastener.
  • Patent Document 1 JP 2019-72466 A discloses a sewing machine for sewing an element member to a fabric member of a garment.
  • the element member to be sewn is formed by providing multiple fastener elements at regular intervals on a string-like fixing member by injection molding.
  • the sewing machine described in Patent Document 1 has a conveying mechanism for conveying the element member as described above, which comprises a conveying gear that meshes with the fastener element of the element member, a conveying motor (not shown) that drives the conveying gear, and a needle plate portion that guides the element member.
  • This conveying mechanism is configured to convey the element member by rotating the conveying gear while engaging it with the fastener element of the element member.
  • the sewing machine in Patent Document 1 is provided with a feed tooth (not shown) as a feed mechanism for conveying the fabric member that is the fastener attachment member.
  • Patent Document 1 By using the sewing machine of Patent Document 1, which is equipped with the above-mentioned conveying mechanism and feed dog, it is possible to sew an element member having multiple fastener elements attached to a string-like fixing member directly onto the fabric material of a product such as clothing.
  • a slide fastener generally has a pair of left and right zipper stringers, each of which has multiple fastener elements attached to a strip-shaped fastener tape, and sliders slidably attached to the element rows of the left and right zipper stringers.
  • a fastener stringer for a slide fastener onto, for example, a fabric material of a garment using a sewing machine, it is necessary to prepare a sewing machine dedicated to fastener stringers, which is equipped with a lower feed tooth for feeding the fabric material and a transport mechanism for feeding the fastener stringer.
  • the sewn portion of the sewing thread (sewing machine stitch) that sews the fastener tape and the fastener attachment member together is formed at a position spaced apart from the fastener element in the width direction of the fastener tape.
  • the fastener tape is easily exposed in the manufactured product with a slide fastener, which can reduce the design or appearance quality of the product with a slide fastener.
  • the sewing machine described in Patent Document 1 is configured to be able to sew an element member in which multiple fastener elements are attached to a string-like fixing member (i.e., an element member that does not have a fastener tape).
  • a string-like fixing member i.e., an element member that does not have a fastener tape.
  • the sewing machine in Patent Document 1 cannot sew a fastener stringer in which fastener elements are attached to a fastener tape.
  • the sewing machine in Patent Document 1 has a complex structure and is expensive.
  • the present invention has been made in consideration of the above problems, and its purpose is to provide a sewing machine and a manufacturing method for a product with a slide fastener that can sew a fastener stringer, which is a strip-shaped fastener tape with multiple fastener elements attached, to a fastener attachment member by forming a sewn portion of sewing thread in the vicinity of the fastener elements, preferably in a position that contacts the fastener elements, when performing a sewing process to sew the fastener stringer to the fastener attachment member, and to provide a method for manufacturing a product with a slide fastener.
  • a fastener stringer which is a strip-shaped fastener tape with multiple fastener elements attached
  • a sewing unit is provided that is attached to a sewing machine to perform a sewing process in which a fastener stringer, in which multiple fastener elements are attached to a fastener tape, is sewn onto a fastener attachment member, the sewing unit having a motion detection unit that detects the upward and downward movement of a sewing needle in the sewing machine, a stringer transport unit that performs a feed operation of the fastener stringer, and a position adjustment unit that adjusts the position of the stringer transport unit relative to the sewing machine, the stringer transport unit having at least one transport gear having multiple teeth and a rotation control unit that intermittently rotates the transport gear in response to a signal output from the motion detection unit, and the sewing unit has a structure that can be attached to and detached from an existing sewing machine.
  • the position adjustment section includes a first position adjustment section that adjusts the position of the stringer transport section in the front-to-rear direction along the feed direction of the fastener stringer and the fastener attachment member, a second position adjustment section that adjusts the position of the stringer transport section in the up-down direction along the lifting and lowering direction of the sewing needle, and a third position adjustment section that adjusts the position of the stringer transport section in the left-right direction perpendicular to the front-to-rear direction and the up-down direction.
  • At least one of the conveying gears is arranged in a position where the teeth of the conveying gear mesh with the fastener element of the fastener stringer from one side in the left-right direction when the sewing process is performed, and the center of rotation of the conveying gear is arranged in a position along the left-right direction with respect to the needle drop position of the sewing needle.
  • a base plate is provided to which the stringer transport section and the position adjustment section are integrally assembled, and the base plate is preferably attached to a cover fixing section that fixes the sewing machine cover in the sewing machine.
  • the motion detection unit has an interlocking rotating unit that rotates in conjunction with the up and down movement of the sewing needle in the sewing machine, and a rotation detection sensor unit that detects the rotation of the interlocking rotating unit and outputs the signal to the stringer transport unit, and it is preferable that the interlocking rotating unit is attached to a rotation holding unit of the sewing machine.
  • the conveying gear is disposed away from the needle plate of the sewing machine in the direction in which the sewing needle moves up and down when the sewing process is performed.
  • the stringer conveying unit rotates the conveying gear when the sewing needle has not pierced the fastener tape or the fastener attachment member in response to the signal output from the operation detection unit.
  • the stringer conveying section has two conveying gears, the rotation axes of the two conveying gears are arranged along the feed direction of the fastener stringer and the fastener attachment member, and the rotation control section rotates the two conveying gears synchronously.
  • a sewing machine is provided in which the sewing unit having the above-mentioned configuration is removably attached.
  • the manufacturing method of a product with a slide fastener is a manufacturing method for manufacturing a product with a slide fastener, which includes a sewing step of sewing a fastener stringer, in which multiple fastener elements are attached to a fastener tape, to a fastener attachment member, and the sewing step includes attaching a sewing unit to an existing sewing machine that forms a lockstitch stitch (in a straight line), and the sewing unit has a motion detection unit that detects the upward and downward movement of a sewing machine needle in the sewing machine, a stringer transport unit that transports the fastener stringer, and a position adjustment unit that adjusts the position of the stringer transport unit relative to the sewing machine, and the stringer transport unit has at least one transport gear with multiple teeth and a rotation control unit that intermittently rotates the transport gear in response to a signal output from the motion detection unit.
  • a sewing portion of the sewing thread can be formed in the vicinity of the fastener elements, preferably in a position that contacts the fastener elements, to sew the fastener stringer to the fastener attachment member.
  • FIG. 1 is a perspective view showing a sewing machine according to a first embodiment of the present invention
  • FIG. 2 is a perspective view showing the sewing machine of the first embodiment as viewed from an angle different from that shown in FIG. 1
  • 1 is a front view showing a schematic diagram of a sewing machine according to a first embodiment of the present invention
  • FIG. 2 is a front view showing a sewing unit attached to the sewing machine of the first embodiment
  • FIG. 2 is a side view of the sewing unit of the first embodiment as viewed from the outside in the left-right direction.
  • FIG. 2 is a plan view of the sewing unit according to the first embodiment, as viewed from above.
  • 4 is a schematic diagram illustrating a motion detection portion of the sewing unit according to the first embodiment
  • FIG. 4 is a schematic diagram showing a positional relationship between a conveying gear of a sewing unit and a sewing machine foot of a sewing machine according to a first embodiment of the present invention
  • FIG. 1 is a schematic diagram showing a state in which a conveying gear of a sewing unit in Example 1 is engaged with a fastener element of a fastener stringer.
  • FIG. 2 is a cross-sectional view showing a schematic view of a main part of the sewing machine during sewing processing.
  • FIG. 11 is a front view illustrating a sewing unit according to a second embodiment of the present invention. 11 is a schematic diagram showing a positional relationship between a conveying gear of a sewing unit and a sewing machine foot of a sewing machine according to a second embodiment of the present invention.
  • FIG. 13 is a schematic diagram showing a state in which a conveying gear of a sewing unit of a second embodiment is engaged with a fastener element of a fastener stringer.
  • FIGS. 1 and 2 are respectively perspective views showing a sewing machine of this embodiment 1 to which a sewing unit is attached
  • FIG. 3 is a front view showing the sewing machine of this embodiment 1.
  • FIGS. 4, 5, and 6 are respectively a front view, a side view, and a plan view showing the sewing unit of this embodiment 1.
  • FIG. 7 is a schematic diagram showing the operation detection section of the sewing unit of this embodiment 1.
  • the front-to-rear direction is the direction along which the sewing machine feeds the workpiece (the fastener stringer and the fabric member).
  • the front-to-rear direction is, for example, the direction from the front to the back of the paper in FIG. 3, and corresponds to the "feed direction" and "front-to-rear direction” described in the claims.
  • the direction in which the workpiece is fed (the direction toward the back of the paper in FIG. 3) is referred to as the front
  • the opposite direction the direction toward the front of the paper in FIG. 3) is referred to as the rear.
  • the up-down direction is the direction along which the sewing needle of the sewing machine rises and falls.
  • the up-down direction is, for example, the up-down direction on the paper in Figure 3, and corresponds to the "rise-and-fall direction" and "up-and-down direction” described in the claims.
  • the direction in which the sewing needle pierces the material being sewn (the downward direction on the paper in Figure 3) is considered to be down
  • the direction in which the sewing needle is pulled out of the material being sewn (the upward direction on the paper in Figure 3) is considered to be up.
  • the left-right direction is a direction perpendicular to the front-back direction and the up-down direction, and can also be said to be a direction perpendicular to the feed direction of the workpiece and parallel to the mounting surface of the needle plate of the sewing machine.
  • the left-right direction is, for example, the left-right direction on the paper in Figure 3, and corresponds to the "left-right direction" described in the claims.
  • the direction in which the unit main body of the sewing unit is attached to the sewing machine (the direction toward the left on the paper in Figure 3) is the left direction
  • the opposite direction is the direction toward the right on the paper in Figure 3).
  • the sewing machine 10 of this embodiment 1 is used for sewing a fastener stringer 1 for a slide fastener to a fastener attachment member 5 (clothing fabric member 5) as shown in FIG. 10.
  • a sewing unit 30 is attached to this sewing machine 10.
  • the product with a slide fastener manufactured using the sewing machine 10 of this embodiment 1 is a garment, and for example, a garment with a slide fastener is manufactured by attaching a slide fastener to the front opening of the front body of this garment.
  • the fastener attachment member 5 to which the slide fastener is attached is the fabric member 5 of the garment.
  • the fabric member 5 is also sometimes called the garment fabric.
  • the left and right fabric members 5 that form the front body of the garment each have opposing side edges that are arranged opposite the opposing fabric member 5. The opposing side edges of the left and right fabric members 5 become the stringer attachment edges to which the fastener stringer 1 is attached.
  • the left and right fabric members 5, which are the fastener attachment members 5, are waterproof or water-stopping.
  • the method and means for imparting waterproof or water-stopping properties to the fabric members 5 are not particularly limited.
  • the fabric members 5 may be formed without being waterproof or water-stopping.
  • the slide fastener formed on the garment has a pair of left and right fastener stringers 1 with element rows formed on the tape side edge of the fastener tape 2, and sliders (not shown) slidably attached to the left and right element rows.
  • Each of the left and right fastener stringers 1 has a fastener tape 2 formed in a strip shape and a plurality of fastener elements 3 made of synthetic resin attached to the tape side edge of the fastener tape 2.
  • Each fastener element is an injection molded element formed by injecting synthetic resin into the fastener tape, and has an independent shape that is separate from adjacent fastener elements in the front-to-rear direction.
  • an element row is formed by a plurality of fastener elements 3.
  • the element row is formed along the length direction (front-to-back direction) of the fastener tape 2.
  • Each fastener tape 2 is formed long in the front-to-back direction. Note that the specific shapes of the fastener stringer 1 and the fabric member 5 are not limited in the present invention.
  • the sewing machine 10 used in this embodiment 1 is an existing lockstitch sewing machine 10 capable of forming straight lockstitch stitches.
  • the lockstitch sewing machine 10 refers to a sewing machine 10 capable of performing lockstitching.
  • the lockstitch sewing machine 10 also includes, for example, a sewing machine that can form lockstitch stitches as well as stitches other than lockstitches.
  • the sewing machine 10 has a sewing machine support section 11 provided with a needle plate section 11a, a pillar section 12 erected on the right end of the sewing machine support section 11, and an arm section 13 extending from the upper end of the pillar section 12 toward the left side.
  • the sewing machine 10 is also provided with a button (not shown) for automatically performing backstitches.
  • the sewing machine 10 of this embodiment 1 is prepared with the sewing machine cover (sometimes called the face plate cover) that forms the left end of the arm portion 13 removed in order to attach the sewing unit 30.
  • the sewing machine 10 prepared in this embodiment 1 is provided with a cover fixing portion 13c to which the sewing machine cover is fixed via a bolt, and a pulley (hereinafter referred to as the rotation holding portion 13d) that rotates in conjunction with the movement of the sewing needle 15 and the lower feed dog 11b, in an accessible state.
  • the pulley is a member that is provided at the right side end of the arm portion 13.
  • the arm portion 13 has an arm body portion 13a extending in the left-right direction, and an arm head portion 13b extending downward from the arm body portion 13a.
  • a needle bar 14 to which a sewing needle 15 is attached, and a presser bar (not shown) to which a sewing foot 16 is attached are provided on the arm head portion 13b, which protrude downward.
  • the needle bar 14 is supported by a needle bar drive mechanism (not shown) so that it can be raised and lowered in the vertical direction.
  • the sewing needle 15, needle bar 14, and needle bar drive mechanism provided in the sewing machine 10 of this embodiment 1 are formed substantially in the same manner as those of a conventional general lockstitch sewing machine.
  • the sewing machine foot 16 is movable between a pressing position where it presses down the fastener stringer 1 and fabric member 5 placed on the needle plate portion 11a of the sewing machine support portion 11, and a release position where it rises from the pressing position and releases the pressing down of the fastener stringer 1 and fabric member 5.
  • This sewing machine foot 16 has a foot connecting portion 17 that is connected to a presser bar (not shown), and a foot main body portion 18 that is attached to the lower end of the foot connecting portion 17 and has a shape that is long in the front-to-rear direction.
  • the foot body 18 of the sewing machine foot 16 is a member that holds the fastener stringer 1 and the fabric member 5 toward the needle plate 11a during sewing. As shown in FIG. 8, this foot body 18 has a needle insertion hole 18a through which the sewing machine needle 15 is inserted, and an alignment mark 18b provided on the top surface of the foot body 18.
  • the needle insertion hole 18a has an oval or elliptical shape that is long in the front-to-rear direction when the foot main body 18 is viewed from above, and is formed to penetrate the foot main body 18 in the up-down direction.
  • the alignment mark 18b is formed by a groove that extends straight from the needle insertion hole 18a to the left. This alignment mark 18b is used as a mark for aligning the position of the center of rotation of the conveying gear 51 (first conveying gear 51a) when adjusting the front-to-rear position of the stringer conveying part 50 of the sewing unit 30, which will be described later.
  • the underside of the foot body 18 facing the sewing machine support 11 has a guide groove 18c extending in the front-rear direction for inserting the fastener element 3 of the fastener stringer 1, as shown in FIG. 10, for example.
  • the foot body 18 of the sewing machine foot 16 is formed long in the front-rear direction so that, during sewing processing by the sewing machine 10, the foot body 18 can hold five or more fastener elements 3 (preferably seven or more fastener elements 3) in an area rearward (upstream) of the needle drop position 15a of the sewing machine needle 15, as shown in FIG. 9 for example.
  • the foot body 18 is formed long in the front-rear direction so that, during sewing processing, the foot body 18 can hold two or more fastener elements 3 in an area rearward (upstream) of the rotation center position of the second conveying gear 51b described below.
  • the foot body 18 Since the foot body 18 is thus formed long in the front-to-rear direction, the foot body 18 can hold the fastener stringer 1 (particularly the element row of the fastener stringer 1) over a long range when the fastener stringer 1 is transported during sewing. Therefore, by introducing the fastener stringer 1 under the sewing machine foot 16, the fastener stringer 1 is prevented from swinging left and right, making it easier to guide the element row of the fastener stringer 1 straight forward. This allows the fastener elements 3 that form the element row to be stably engaged with the conveying gear 51 of the sewing unit 30, so that the feeding operation of the fastener stringer 1 by the conveying gear 51 can be performed precisely in correspondence with the raising and lowering operation of the sewing machine needle 15.
  • the sewing machine support portion 11 of the sewing machine 10 is provided with a needle plate portion 11a, a lower feed dog 11b, and a shuttle portion (not shown) provided below the needle plate portion 11a.
  • the needle plate portion 11a has a flat upper surface on which the fabric member 5 and the fastener stringer 1 are placed.
  • the needle plate portion 11a is provided with a needle hole (not shown) through which the sewing machine needle 15 is inserted, and an opening 11c through which the lower feed dog 11b appears and disappears above the needle plate portion 11a (see FIG. 10).
  • the lower feed dog 11b is set up so that it moves in a constant manner in the front-to-back and up-to-down directions by a feed dog drive mechanism (not shown). As the lower feed dog 11b moves, it comes into contact with the fabric member 5 from the underside, thereby intermittently feeding the fabric member 5 forward (downstream).
  • the shuttle section (shuttle mechanism) is disposed below the needle plate section 11a.
  • the shuttle section also has a bobbin around which the lower thread is wound, a bobbin case that houses the bobbin, and an outer shuttle that is rotatably disposed and has a sharp point.
  • the needle plate portion 11a, the lower feed dog 11b, and the hook portion provided on the sewing machine support portion 11 in this embodiment 1 are not particularly limited, and may be formed substantially the same as the needle plate portion, the lower feed dog, and the hook portion used in a conventional general lock stitch sewing machine, for example.
  • intermittently transporting the fabric member 5 and/or fastener stringer 1 means that the transport is performed by alternating between a transport state in which the fabric member 5 and/or fastener stringer 1 is moved a fixed distance and a stopped state in which the fabric member 5 and/or fastener stringer 1 is not moved.
  • the sewing unit 30 of this embodiment 1 which is attached to the sewing machine 10 as described above, has a motion detection unit 40 that detects the upward and downward movement of the sewing needle 15 in the sewing machine 10, a stringer transport unit 50 that performs the feeding operation of the fastener stringer 1, a position adjustment unit 60 that adjusts the position of the stringer transport unit 50 relative to the sewing machine 10, and a base plate 31 to which the stringer transport unit 50 and the position adjustment unit 60 are integrally assembled.
  • the base plate 31 of this embodiment 1 is formed from a flat metal plate with a thickness that ensures appropriate strength.
  • the base plate 31 is also provided with a first through hole portion 31a through which a bolt member (not shown) that screws into the above-mentioned cover fixing portion 13c of the sewing machine 10 is inserted, and two second through hole portions 31b through which bolt members (not shown) for fixing the position adjustment plate of the position adjustment portion 60, which will be described later, are inserted.
  • the bolt member refers to a member including not only a bolt having a shaft portion with a male thread and a head portion, but also screws and screws.
  • the base plate 31 is fixed to the cover fixing portion 13c of the sewing machine 10 via a bolt member (not shown) in a state where the stringer transport unit 50 and the position adjustment unit 60 are assembled.
  • a bush 31c is attached to the lower end of the base plate 31.
  • a protruding pin 76 (described later) provided on the position adjustment unit 60 is inserted into the bush 31c of the base plate 31, thereby suppressing the occurrence of shaking (small shaking movements) that occurs in the stringer transport unit 50 when the fastener stringer 1 is transported by the stringer transport unit 50 during the sewing process in which the fastener stringer 1 is sewn to the fabric member 5.
  • the position, size, number, etc. of the first through-hole portions 31a provided in the base plate 31 can be changed according to the type of sewing machine to which the sewing unit 30 is attached.
  • the sewing unit 30 of this embodiment 1 can be stably attached to various types of sewing machines. For this reason, the sewing unit 30 of this embodiment 1 has high versatility.
  • the motion detection section 40 in the sewing unit 30 has an interlocking rotation section 41 that rotates in conjunction with the up and down movement of the sewing needle 15 in the sewing machine 10, a rotation detection sensor section 42 that detects the rotation of the interlocking rotation section 41 and outputs a signal to the stringer transport section 50, and a support plate section 43 that supports the rotation detection sensor section 42 and is attached to the sewing machine 10.
  • the interlocking rotation part 41 has a fixed plate part 41a attached to the rotation holding part 13d of the sewing machine 10 via a fixing bolt 44 and a nut 45, and a cut-off plate part 41b having a sector shape formed integrally with the fixed plate part 41a.
  • the rotation detection sensor part 42 is formed of a photomicrosensor, and has a light emitting part and a light receiving part arranged at a distance facing each other. This rotation detection sensor part 42 is formed to detect whether the light of the light emitting part is cut off by the cut-off plate part 41b of the interlocking rotation part 41, and to output the rotation position of the interlocking rotation part 41 as an electrical signal.
  • the central angle of the sector in the cut-off plate part 41b is, for example, 180 degrees, but the size and central angle of the cut-off plate part 41b are not particularly limited.
  • the support plate portion 43 fixes the rotation detection sensor portion 42 and is attached to the pillar portion 12 and arm portion 13 of the sewing machine 10 via bolt members (not shown). This allows the rotation detection sensor portion 42 to be stably supported in the required position.
  • the specific shape and structure of the motion detection portion is not particularly limited as long as it is capable of detecting the rising and falling movement of the sewing needle and outputting an electrical signal.
  • the stringer transport section 50 of the sewing unit 30 has a transport gear 51 that transports the fastener stringer 1, a rotation control section 52 that outputs rotational motion, and a rotation transmission section 53 that transmits the rotation output from the rotation control section 52 to the transport gear 51.
  • the conveying gear 51 in this embodiment 1 has a first conveying gear 51a arranged to the left of the needle drop position 15a of the sewing needle 15, and a second conveying gear 51b arranged behind (upstream of) the first conveying gear 51a.
  • the first conveying gear 51a and the second conveying gear 51b are each formed by a spur gear with multiple teeth provided on the outer periphery, and are formed to be the same shape and size as each other.
  • the tooth pitch of the conveying gear 51 (first conveying gear 51a and second conveying gear 51b) is set to be the same as the formation pitch of the fastener elements 3 in the fastener stringer 1 in the tape length direction, or slightly smaller than the formation pitch.
  • the tooth pitch refers to the value obtained by dividing the pitch circle of the conveying gear 51 by the number of teeth.
  • the tooth height (tooth depth) of the conveying gear 51 is set so that the teeth of the conveying gear 51 and the fastener elements 3 can mesh properly.
  • the first conveying gear 51a and the second conveying gear 51b are rotatably held by the gear holding portion 54 with their respective rotation axes aligned in the vertical direction.
  • the first conveying gear 51a and the second conveying gear 51b are positioned so that they can be engaged with the fastener element 3 of the fastener stringer 1 from the left side during sewing, and the respective rotation axes are positioned so that they are aligned in the front-to-rear direction of the sewing machine 10.
  • the position adjustment section 60 of the sewing unit 30 positions the front first conveying gear 51a to the left of the needle drop position 15a of the sewing needle 15 in the sewing machine 10, and in a position where the rotation axis of the first conveying gear 51a is aligned in the left-right direction with respect to the needle drop position 15a.
  • the first conveying gear 51a is positioned such that when an imaginary line is drawn between the rotation axis of the first conveying gear 51a and the needle drop position 15a, the imaginary line is parallel to the left-right direction.
  • the rotation control unit 52 has a motor, an input unit (not shown) to which the electrical signal output from the motion detection unit 40 is input, and an output shaft unit 52a that protrudes downward.
  • the rotation control unit 52 drives the motor in response to the input electrical signal from the rotation detection sensor unit 42, thereby rotating the output shaft unit 52a.
  • the rotation control unit 52 drives the motor to rotate the first conveying gear 51a and the second conveying gear 51b in response to an electrical signal from the motion detection unit 40 when the sewing needle 15 has risen and is being pulled out of the fabric member 5 and the fastener stringer 1.
  • the rotation control unit 52 of this embodiment 1 is provided with an interlocking rotating plate 52b that rotates in conjunction with the motor (not shown) of the rotation control unit 52, and a position detection sensor unit 52c that detects the uneven shape or slit shape provided on the outer periphery of the interlocking rotating plate 52b.
  • the position detection sensor unit 52c is formed by a photomicrosensor.
  • the rotation transmission unit 53 of the stringer transport unit 50 has a structure that transmits the rotation of the output shaft portion 52a of the rotation control unit 52 to the first transport gear 51a and the second transport gear 51b.
  • the rotation transmission unit 53 has a drive pulley 53a connected to the output shaft portion 52a of the rotation control unit 52, two driven pulleys 53b connected to the drive pulley 53a via a transmission belt (not shown), and a transmission gear portion 53c connected to the rotation shaft of each driven pulley 53b and meshing with the first transport gear 51a or the second transport gear 51b.
  • This rotation transmission unit 53 can rotate the first conveying gear 51a and the second conveying gear 51b synchronously when the output shaft 52a of the rotation control unit 52 rotates, and can stop the rotation of the first conveying gear 51a and the second conveying gear 51b when the output shaft 52a stops.
  • rotating the first conveying gear 51a and the second conveying gear 51b synchronously means rotating the first conveying gear 51a and the second conveying gear 51b together in the same rotational direction at the same rotational speed.
  • the specific structure of the rotation transmission unit 53 is not particularly limited as long as it is capable of transmitting the rotation of the output shaft portion 52a of the rotation control unit 52 to the first conveying gear 51a and the second conveying gear 51b, and it may be formed using a transmission mechanism that is generally known in the art.
  • the position adjustment section 60 of the sewing unit 30 has a support plate 61 fixed to the base plate 31 in the front-to-rear direction, a support column section 62 fixed to extend from the front end of the support plate 61 to the left, a moving section 63 held by the support column section 62 and movable in the left-right direction along the support column section 62, a left-right position adjustment bolt 64 that abuts against the right side of the moving section 63 to adjust the position of the moving section 63, and a fixed bar 65 that holds the left side of the moving section 63.
  • the position adjustment unit 60 also has a fixed frame part 66 that is attached to the moving part 63 so as to be movable in the vertical direction and that fixes the stringer transport unit 50, a vertical position adjustment bolt 67 that abuts against a part of the fixed frame part 66 from below to support it, and a bolt holding part 68 that extends rearward from the lower end of the moving part 63 and into which the vertical position adjustment bolt 67 is screwed.
  • the position adjustment section 60 is also provided with a first position adjustment section (front-rear position adjustment section) 71 that adjusts the position of the stringer transport section 50 in the front-rear direction, a second position adjustment section (up-down position adjustment section) 72 that adjusts the position of the stringer transport section 50 in the up-down direction, and a third position adjustment section (left-right position adjustment section) 73 that adjusts the position of the stringer transport section 50 in the left-right direction.
  • the position adjustment section 60 include the first position adjustment section 71 to the third position adjustment section 73, the sewing process of sewing the fastener stringer 1 to the fabric member 5 can be stably performed even when the sewing unit 30 is attached to various existing sewing machines.
  • the support plate 61 is formed of a metal plate that is long in the front-rear direction.
  • the support plate 61 is provided with two position adjustment holes 61a that penetrate the support plate 61 in the left-right direction, and one screw hole into which the left-right position adjustment bolt 64 is screwed.
  • the two position adjustment holes 61a of the support plate 61 are formed in an elliptical shape that is long in the front-rear direction when viewed from the side of the sewing unit 30 (see FIG. 5).
  • a bolt member (not shown) is inserted into the two second through-holes 31b of the base plate 31 and passed through the two position adjustment holes 61a. This fixes the support plate 61 to the base plate 31.
  • the support plate 61 can be moved in the front-rear direction within the range of the two position adjustment holes 61a to change the position of the bolt members inserted through each position adjustment hole 61a, thereby changing the front-rear position of the support plate 61 relative to the base plate 31.
  • This makes it possible to adjust the front-rear positions of the position adjustment unit 60 and the stringer transport unit 50 fixed to the fixed frame portion 66 of the position adjustment unit 60 relative to the base plate 31 fixed to the sewing machine 10. That is, in this embodiment 1, the first position adjustment unit (front-rear position adjustment unit) 71 provided in the position adjustment unit 60 is formed by the support plate 61 (particularly the two position adjustment holes 61a in the support plate 61).
  • the support column 62 is formed from a metal plate that is long in the left-right direction. As shown in FIG. 6, the support column 62 is fixed to the front end of the support plate 61 using a triangular bracket 62a.
  • the support column 62 is provided with a moving part 63 that can move in the left-right direction, and a bar holding part 65a that holds the fixed bar 65.
  • the moving part 63 is formed from a metal plate that is long in the vertical direction. This moving part 63 has a right side surface that contacts the tip of the left-right position adjustment bolt 64, and a left side surface that contacts the fixed bar 65. The right side surface of the moving part 63 contacts the tip of the left-right position adjustment bolt 64, restricting the movement of the moving part 63 to the right. Additionally, the left side surface of the moving part 63 contacts the fixed bar 65, restricting the movement of the moving part 63 to the left.
  • the fixed bar 65 is rotatably held by the bar holding portion 65a via a mounting bolt 65b.
  • the fixed bar 65 can rotate vertically around the mounting bolt 65b between a restricting position (lowered position) that restricts the movement of the moving portion 63 and a retracted position (raised position) that does not contact the moving portion 63.
  • the position of the fixed bar 65 in the left-right direction can also be adjusted by moving the bar holding portion 65a left and right.
  • the left-right position adjustment bolt 64 is supported by the support plate 61 by being screwed into the support plate 61. By rotating the left-right position adjustment bolt 64, the position of the left-right position adjustment bolt 64 relative to the support plate 61 can be changed in the left-right direction to adjust the position that restricts the movement of the moving part 63. This makes it possible to adjust the left-right positions of the moving part 63 and the stringer transport part 50 that moves left-right together with the moving part 63, relative to the sewing machine 10.
  • the third position adjustment part (left-right position adjustment part) 73 provided in the position adjustment part 60 is formed by the left-right position adjustment bolt 64 held by the support plate 61.
  • the bolt holding portion 68 is fixed to the lower end of the moving portion 63 and extends rearward from the lower end of the moving portion 63.
  • the bolt holding portion 68 is provided with a screw hole into which the vertical position adjustment bolt 67 is screwed.
  • the vertical position adjustment bolt 67 is held by the bolt holding portion 68 by being screwed into the bolt holding portion 68. In addition, by rotating the vertical position adjustment bolt 67, the position of the vertical position adjustment bolt 67 relative to the bolt holding portion 68 can be changed in the vertical direction, thereby adjusting the position of the tip of the vertical position adjustment bolt 67.
  • the fixed frame part 66 that fixes the stringer transport part 50 is held by the moving part 63 so as to be movable in the vertical direction, and is supported from below by a vertical position adjustment bolt 67. Therefore, by rotating the vertical position adjustment bolt 67 to adjust the position of the vertical position adjustment bolt 67, it is possible to adjust the vertical position of the fixed frame part 66 supported by the tip of the vertical position adjustment bolt 67 and the stringer transport part 50 fixed to the fixed frame part 66.
  • the second position adjustment part (vertical position adjustment part) 72 provided in the position adjustment part 60 is formed by the vertical position adjustment bolt 67 held by the bolt holding part 68.
  • the position adjustment unit 60 in this embodiment 1 is also provided with a lift lever 69 that temporarily raises the fixed frame portion 66 of the position adjustment unit 60 and the stringer transport unit 50 fixed to the fixed frame portion 66 upward when starting and finishing the sewing process to sew the fastener stringer 1 to the fabric member 5, and that allows the raised fixed frame portion 66 and stringer transport unit 50 to be lowered to their original positions.
  • this lift lever 69 makes it possible to smoothly set the fabric member 5 and fastener stringer 1 on the needle plate 11a of the sewing machine 10 when starting sewing, and to smoothly collect the sewn fabric member 5 and fastener stringer 1 after sewing is completed.
  • the position adjustment unit 60 is provided with a protruding pin 76 that is inserted into the bush 31c of the base plate 31 to suppress wobble that occurs in the stringer transport unit 50, and a pin support unit 77 that supports the protruding pin 76 (see FIG. 4).
  • the protruding pin 76 is provided with a male thread and has a fixing nut 78 attached. This protruding pin 76 is fixed to the pin support unit 77 by the fixing nut 78 while being inserted into a pin insertion hole formed in the pin support unit 77.
  • the pin support portion 77 is fixed to the fixed frame portion 66 by a bolt member (not shown), and is formed so that its position can be changed in the front-to-rear direction relative to the fixed frame portion 66 and fixed thereto.
  • a long insertion hole (not shown) is formed in the pin support portion 77 in the vertical direction, through which the protruding pin 76 is inserted. This allows the fixed position of the protruding pin 76 to be adjusted in the vertical direction.
  • sewing process for sewing the fastener stringer 1 to the fabric member 5 of a garment using the sewing machine 10 of the present embodiment 1 to which the above-mentioned sewing unit 30 is attached will be described.
  • an existing lockstitch sewing machine 10 is prepared, and the sewing unit 30 of the present embodiment 1 is attached to the existing lockstitch sewing machine 10.
  • the sewing machine cover of the sewing machine 10 is removed to make the cover fixing portion 13c of the sewing machine 10 available.
  • the base plate 31 to which the stringer transport section 50 and position adjustment section 60 of the sewing unit 30 are assembled is fixed to the cover fixing section 13c of the sewing machine 10.
  • the interlocking rotation section 41 of the motion detection section 40 is attached to the rotation holding section 13d of the sewing machine 10
  • the support plate section 43 to which the rotation detection sensor section 42 is fixed is attached to the front side of the sewing machine 10.
  • a sewing machine 10 with a sewing unit 30 is formed as shown in Figures 1 to 3.
  • the sewing unit 30 attached to the sewing machine 10 can be easily removed from the sewing machine 10 by removing the bolt members that secure the base plate 31 to the sewing machine 10 and the bolts that secure the motion detection unit 40 to the sewing machine 10.
  • the position of the stringer transport part 50 relative to the sewing machine 10 is adjusted by the position adjustment part 60 of the sewing unit 30.
  • the position of the support plate 61 relative to the base plate 31 is adjusted by the above-mentioned first position adjustment part 71 of the position adjustment part 60 while visually checking that the center of rotation of the first transport gear 51a is in a position along the left-right direction with respect to the needle drop position 15a of the sewing machine 10.
  • the position of the stringer conveying part 50 is adjusted in the vertical and horizontal directions while visually checking the position of the stringer conveying part 50.
  • this vertical and horizontal position adjustment for example, as shown in FIG. 10, the position of the stringer conveying part 50 is adjusted so that the first conveying gear 51a and the second conveying gear 51b mesh with the fastener element 3 inserted into the guide groove 18c of the sewing machine foot 16 of the sewing machine 10 from the left side, and a gap is formed between the conveying gear 51 and the fabric material 5 placed on the needle plate part 11a of the sewing machine 10.
  • the stringer transport part 50 is raised by the lift lever 69 provided on the sewing unit 30 and temporarily held in the raised position.
  • the fabric member 5 is placed on the needle plate part 11a of the sewing machine 10 as shown in FIG. 10, and the fastener stringer 1 is placed in a predetermined position on the fabric member 5.
  • the stringer transport part 50 is lowered by the lift lever 69, and at least the second transport gear 51b of the stringer transport part 50 is engaged with the fastener element 3 of the fastener stringer 1.
  • the sewing machine foot 16 is lowered so that the sewing machine foot 16 presses the fastener stringer 1 and fabric member 5 toward the needle plate part 11a. This sets the fabric member 5 and fastener stringer 1 in the sewing machine 10.
  • the sewing machine 10 is operated to perform a sewing process in which the fastener stringer 1 is sewn to the fabric member 5.
  • the sewing machine needle 15 is caused to perform a regular upward and downward movement, and the lower feed dog 11b of the sewing machine 10 is moved to intermittently transport the fabric member 5 forward.
  • the stringer transport section 50 of the sewing unit 30 rotates the first transport gear 51a and the second transport gear 51b intermittently in response to the rising and falling movement of the sewing needle 15.
  • the operation detection section 40 of the sewing unit 30 detects the rising and falling movement of the sewing needle 15, and when the sewing needle 15 has risen and is being pulled out of the fabric member 5 and the fastener stringer 1, the stringer transport section 50 rotates the first transport gear 51a and the second transport gear 51b.
  • the stringer transport unit 50 rotates the first transport gear 51a and the second transport gear 51b in the counterclockwise direction in FIG. 9.
  • the stringer transport unit 50 also stops the rotation of the first transport gear 51a and the second transport gear 51b when the sewing needle 15 descends. This allows the first transport gear 51a and the second transport gear 51b to rotate intermittently in response to the ascending and descending movement of the sewing needle 15.
  • the fabric material 5 and fastener stringer 1 can be transported stably and accurately at the required pitch.
  • the sewn portion of the sewing thread is formed in a straight line along the front-rear direction at the position where it contacts the fastener element 3.
  • the sewing needle 15 is inserted into the fastener tape 2 at the needle drop position 15a shown in FIG. 9 relative to the fastener stringer 1.
  • the needle drop position 15a of the sewing needle 15 is set at a position between the fastener elements 3 adjacent to each other in the front-rear direction in the front-rear direction. More preferably, the needle drop position 15a is set at a position closer to the interlocking head of the fastener element 3 than the edge of the fastener element 3 on the inner side of the tape in the left-right direction.
  • the sewing portion (not shown) of the sewing thread can be stably formed at a position that contacts the fastener element 3 in the left-right direction. Furthermore, the sewing portion allows the fastener stringer 1 to be stably sewn to the fabric member 5. Note that in this embodiment 1, the sewing portion of the sewing thread may be formed in a position close to the fastener element 3, slightly spaced from the fastener element 3, rather than at a position that contacts the fastener element 3.
  • the operation detector 40 detects the backstitching of the sewing machine 10, and the stringer conveying unit 50 intermittently rotates the first conveying gear 51a and the second conveying gear 51b in the opposite direction (clockwise in FIG. 9) in response to the raising and lowering movement of the sewing needle 15. This allows stable backstitching to be performed on the fastener stringer 1 and the fabric member 5.
  • a folding process is performed in which the fabric member 5 is folded at the position where the sewn portion of the sewing thread is formed. More specifically, the fabric member 5 is folded along the straight (or nearly straight) sewn portion, so that the portion of the fabric member 5 formed to the left of the sewn portion and the portion formed to the right of the sewn portion are vertically overlapped. Furthermore, the vertically overlapped portions of the fabric member 5 may be bonded together using an adhesive.
  • each fastener element 3 of the fastener stringer 1 to be positioned in a position that protrudes from the folded portion of the fabric member 5 in the tape width direction of the fastener tape 2. Also, by folding the fabric member 5 in this manner, part of the sewn portion is covered by the fabric member 5 and cannot be seen.
  • the fabric member 5 to which the fastener stringer 1 is sewn can be produced stably.
  • a fabric with a slide fastener is produced by combining two fabric members 5 to which the fastener stringers 1 are sewn, and attaching sliders (not shown) to the element rows of the pair of fastener stringers 1.
  • a garment with a slide fastener is manufactured by forming the fabric with the slide fastener.
  • a garment may be formed using two fabric members 5 to which fastener stringers 1 are sewn, and then sliders may be attached to two rows of elements on the garment to produce a garment with a slide fastener.
  • the sewing portion of the sewing thread can be formed at a position that contacts the fastener element 3, and the fastener stringer 1 can be sewn to the fastener attachment member 5.
  • the fastener tape 2 is widely covered by the fabric member 5 on the outer surface side of the garment, and becomes invisible or difficult to see.
  • the fastener tape 2 is prevented or suppressed from being exposed to the outer surface of the garment, so that if the fabric member 5 of the garment has waterproof or water-stopping properties as described above, the garment with slide fastener manufactured can have waterproof and water-stopping properties even if the fastener tape 2 is not provided with waterproof and water-stopping properties. Therefore, for example, it is possible to prevent or suppress liquids such as water from penetrating from the outer surface (front surface) of the garment to the inner surface (back surface) through the part of the garment where the slide fastener is attached.
  • the fastener tape 2 is not provided with waterproof or water-stopping properties, it is also possible to obtain the advantages of reducing manufacturing costs and simplifying the manufacturing process.
  • the garment with slide fastener may be manufactured without having waterproof or water-stopping properties.
  • the stringer transport section 50 is provided with two transport gears 51 that rotate synchronously with each other. Therefore, by using the sewing machine 10 to which the sewing unit 30 of this embodiment 1 is attached, even if a fastener stringer is formed by attaching a fastener element and a member that forms a separable pin-out stop to a fastener tape, the fastener stringer can be stably sewn to a fabric member in the same manner as in the case of the fastener stringer described above.
  • the member that forms the separable pin-out stop includes, for example, an insert pin, a box pin, and a box body.
  • FIG. 11 is a front view showing the sewing unit of this embodiment 2.
  • Figure 12 is a schematic diagram showing the positional relationship between the conveying gear of the sewing unit of this embodiment 2 and the sewing machine foot of the sewing machine.
  • Figure 13 is a schematic diagram showing the state in which the conveying gear of the sewing unit of this embodiment 2 is engaged with the fastener element of the fastener stringer.
  • the sewing unit 30a of this embodiment 2 has a motion detection unit 40 that detects the upward and downward movement of the sewing needle 15, a stringer transport unit 80 that performs the feeding operation of the fastener stringer 1, a position adjustment unit 60 that adjusts the position of the stringer transport unit 80 relative to the sewing machine 10, and a base plate 31 to which the stringer transport unit 80 and the position adjustment unit 60 are integrally assembled.
  • the sewing unit 30a of this embodiment 2 differs from the sewing unit 30 of the previously described embodiment 1 in the structure of the stringer transport section 80, but is formed substantially similarly to the sewing unit 30 of the previously described embodiment 1 apart from the stringer transport section 80.
  • the stringer transport section 80 of the sewing unit 30a will be mainly described, and the members and parts formed substantially similarly to the sewing unit 30 of the previously described embodiment 1 will be denoted by the same reference numerals as in the first embodiment and their description will be omitted.
  • the stringer transport section 80 of this embodiment 2 has one transport gear 81 that transports the fastener stringer 1, a rotation control section 82 that outputs rotation, and a rotation transmission section 83 that transmits the rotation of the rotation control section 82 to the transport gear 81.
  • the rotation control section 82 is formed substantially in the same manner as the rotation control section 52 of the above-mentioned embodiment 1.
  • the conveying gear 81 is formed by a spur gear with multiple teeth on its outer periphery.
  • the conveying gear 81 is rotatably held by the gear holding portion 84 with its rotation axis aligned in the vertical direction. As shown in FIG. 13, the conveying gear 81 is positioned so that it can mesh with the fastener element 3 of the fastener stringer 1 from the left side during sewing, and the rotation axis of the conveying gear 81 is aligned in the horizontal direction with respect to the needle drop position 15a of the sewing needle 15.
  • the gear holding portion 84 is provided with a first alignment mark 84a as a marker for indicating the rotation center position of the conveying gear 81.
  • the sewing machine foot 16 of the sewing machine 10 is also provided with a second alignment mark 18d as a marker for indicating the needle drop position 15a of the sewing machine needle 15.
  • the first alignment mark 84a and the second alignment mark 18d are each formed by a recessed groove portion.
  • the rotation transmission unit 83 of the stringer transport unit 80 has a structure that transmits the rotation of the output shaft 82a of the rotation control unit 82 to the transport gear 81.
  • the rotation transmission unit 83 has a drive pulley 83a connected to the output shaft 82a of the rotation control unit 82, a first driven pulley 83b connected to the rotation shaft of the transport gear 81, a second driven pulley 83c for tension adjustment, and a transmission belt (not shown) that connects these.
  • the specific structure of the rotation transmission unit 83 is not particularly limited as long as it is capable of transmitting the rotation of the output shaft 82a of the rotation control unit 82 to the transport gear 81.
  • a sewing machine 10 capable of sewing a fastener stringer 1 to a fabric member 5 can be formed, similar to the sewing unit 30 of the first embodiment described above.
  • a sewn portion of the sewing thread can be formed in a position near the fastener elements 3, preferably in a position in contact with the fastener elements 3, to sew the fastener stringer 1 to the fabric member 5.
  • the fastener stringer 1 can be sewn to the fastener attachment member 5 by forming the sewing portion of the sewing thread at a position that contacts the fastener element 3, the effect of improving the design or appearance quality of the garment with the slide fastener can be obtained.
  • the garment fabric member 5 can be waterproof or water-stopping to provide the manufactured garment with the slide fastener with waterproof or water-stopping properties.
  • the product with a slide fastener manufactured using the sewing machine 10 to which the sewing units 30, 30a are attached is a garment with a slide fastener.
  • the present invention is not limited to the manufacture of garments to which slide fasteners are attached, but can also be applied to the manufacture of various products such as everyday items such as shoes and bags, industrial materials, and various seats for automobiles, trains, aircraft, etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

Une unité de couture (30, 30a) de la présente invention est fixée à une machine à coudre (10) pour coudre une demi-chaîne de fermeture (1) à un élément de fixation de fermeture (5), et comprend : une unité de détection de mouvement (40) qui détecte un mouvement ascendant/descendant d'une aiguille de machine à coudre (15) ; une unité de transport de demi-chaînes (50, 80) qui effectue un mouvement d'alimentation en demi-chaînes de fermeture (1) ; et une unité de réglage de la position (60) qui règle la position de l'unité de transport de demi-chaînes (50, 80). L'unité de transport de demi-chaînes (50, 80) comprend : au moins un engrenage de transport (51, 81) comportant une pluralité de dents ; et une unité de commande de rotation (52, 82) qui fait tourner par intermittence l'engrenage de transport (51, 81) en correspondance avec un signal émis par l'unité de détection de mouvement (40). L'unité de couture (30, 30a) présente une structure qui permet la fixation et le détachement par rapport à la machine à coudre (10), qui est préexistante. Grâce à cette configuration, une partie cousue d'un fil de couture peut être formée au niveau d'une position en contact avec un élément de fermeture (3) afin de coudre la demi-chaîne de fermeture (1) à l'élément de fixation de fermeture (5).
PCT/JP2022/035703 2022-09-26 2022-09-26 Unité de couture, machine à coudre et procédé de fabrication d'un produit équipé d'une fermeture à glissière WO2024069697A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/035703 WO2024069697A1 (fr) 2022-09-26 2022-09-26 Unité de couture, machine à coudre et procédé de fabrication d'un produit équipé d'une fermeture à glissière

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/035703 WO2024069697A1 (fr) 2022-09-26 2022-09-26 Unité de couture, machine à coudre et procédé de fabrication d'un produit équipé d'une fermeture à glissière

Publications (1)

Publication Number Publication Date
WO2024069697A1 true WO2024069697A1 (fr) 2024-04-04

Family

ID=90476638

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/035703 WO2024069697A1 (fr) 2022-09-26 2022-09-26 Unité de couture, machine à coudre et procédé de fabrication d'un produit équipé d'une fermeture à glissière

Country Status (1)

Country Link
WO (1) WO2024069697A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5806450A (en) * 1996-08-08 1998-09-15 Ykk Corporation Of America Method and apparatus for sewing fabric pieces to fastener stringers
WO2019064394A1 (fr) * 2017-09-27 2019-04-04 Ykk株式会社 Machine à coudre, dispositif de couture et procédé de couture
WO2021234915A1 (fr) * 2020-05-21 2021-11-25 Ykk株式会社 Élément de gabarit, machine à coudre et procédé de couture

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5806450A (en) * 1996-08-08 1998-09-15 Ykk Corporation Of America Method and apparatus for sewing fabric pieces to fastener stringers
WO2019064394A1 (fr) * 2017-09-27 2019-04-04 Ykk株式会社 Machine à coudre, dispositif de couture et procédé de couture
WO2021234915A1 (fr) * 2020-05-21 2021-11-25 Ykk株式会社 Élément de gabarit, machine à coudre et procédé de couture

Similar Documents

Publication Publication Date Title
TWI471102B (zh) A sewing method for a zipper chain and a method of manufacturing the zipper attached product, and a zipper attached product
TWI821201B (zh) 縫紉機
CN1786314A (zh) 遮布缝纫机
JP5378544B2 (ja) ファスナーストリンガーの縫製方法及びファスナー被着製品の製造方法、並びに、ミシンフット
WO2024069697A1 (fr) Unité de couture, machine à coudre et procédé de fabrication d'un produit équipé d'une fermeture à glissière
TW201521906A (zh) 縫紉機及針板構造、及鏈齒排之縫製方法
CA2050862C (fr) Machine de couture continue de fermetures a glissiere et des pieces de tissu
JP7365105B2 (ja) ミシン
TWI739213B (zh) 鏈齒構件及具有拉鏈之製品
TWI703250B (zh) 縫紉機及縫製裝置、以及縫製方法
EP3067456A1 (fr) Produit cousu et procédé de couture de matériau
US8904946B2 (en) Upper feed device and sewing machine
WO2021234915A1 (fr) Élément de gabarit, machine à coudre et procédé de couture
TWI711399B (zh) 拉鍊的縫裝方法及拉鍊製品
JP2001310093A (ja) ミシン
US4630364A (en) Apparatus for applying fastener tape to fabric pieces
JP7496039B2 (ja) 固定部材、ミシン、及び縫製方法
WO2019073922A1 (fr) Machine à coudre
CN108425187B (zh) 缝纫机
WO2023047539A1 (fr) Machine à coudre et procédé de couture
US6092479A (en) Trousers-fly-sewing apparatus
WO2023139827A1 (fr) Produit équipé d'une fermeture à glissière et procédé permettant de fabriquer un produit équipé d'une fermeture à glissière
TWI711400B (zh) 拉鍊的縫裝方法及拉鍊製品
JP3243812U (ja) スライドファスナー及びスライドファスナー付き製品
JP2009039220A (ja) 送り機構およびミシン

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22960761

Country of ref document: EP

Kind code of ref document: A1