WO2015173927A1 - ファスナーストリンガー及びファスナーストリンガーの製造方法 - Google Patents

ファスナーストリンガー及びファスナーストリンガーの製造方法 Download PDF

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Publication number
WO2015173927A1
WO2015173927A1 PCT/JP2014/062963 JP2014062963W WO2015173927A1 WO 2015173927 A1 WO2015173927 A1 WO 2015173927A1 JP 2014062963 W JP2014062963 W JP 2014062963W WO 2015173927 A1 WO2015173927 A1 WO 2015173927A1
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Prior art keywords
tape
fastener
warp
core
woven
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PCT/JP2014/062963
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English (en)
French (fr)
Japanese (ja)
Inventor
嘉▲チ▼ 王
佳斌 ▲黄▼
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.)
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Publication date
Application filed by Ykk株式会社 filed Critical Ykk株式会社
Priority to CN201480076543.XA priority Critical patent/CN106061312B/zh
Priority to PCT/JP2014/062963 priority patent/WO2015173927A1/ja
Priority to TW104114313A priority patent/TWI574645B/zh
Publication of WO2015173927A1 publication Critical patent/WO2015173927A1/ja

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    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/34—Stringer tapes; Flaps secured to stringers for covering the interlocking members

Definitions

  • the present invention relates to a fastener stringer for a slide fastener and a manufacturing method thereof, and more particularly, to a fastener stringer whose appearance quality is improved by giving gloss to a tape surface of a fastener tape and a manufacturing method thereof.
  • a slide fastener generally constitutes a pair of fastener stringers in which an element row is formed by attaching a plurality of fastener elements at predetermined intervals to opposite tape side edges of a pair of left and right fastener tapes.
  • the slider is slidably attached to the element row of the obtained pair of fastener stringers.
  • such a slide fastener is attached to clothing by sewing the tape main portion and the fabric with a sewing machine in a state where the tape main portion of the fastener tape is overlapped with the back side of the clothing fabric.
  • the fastener tape of the slide fastener may be wrinkled or the fastener tape may be wavy due to the tension of the sewing thread sewn to the fabric. There were also wrinkles on the surface of the fabric.
  • Patent Document 1 addresses such problems by partially applying ultrasonic welding to the fastener tape to form a melt-cured portion, thereby increasing the rigidity of the fastener tape.
  • An elevated slide fastener is disclosed.
  • the slide fastener 70 described in Patent Literature 1 has a fastener tape 71 made of synthetic fiber such as polyester, and one side edge portion of the fastener tape 71 has a fastener tape 71.
  • a plurality of fastener elements 72 are provided.
  • the fastener tape 71 includes a melt-cured portion 73 that is partially melted and cured by ultrasonic welding, and a convex portion 74 that is not melt-cured and has a thickness dimension larger than that of the melt-cured portion 73. Yes.
  • the melt-curing portion 73 has a predetermined dimension in the tape width direction and is continuously provided along the tape length direction.
  • melt-cured portion 73 of the fastener tape 71 is regularly provided in a fixed pattern, and a uniform pattern by the melt-cured portion 73 is continuously formed on the fastener tape 71 along the tape length direction. ing. Since such a melt-cured portion 73 is continuously formed along the tape length direction of the fastener tape 71, the slide fastener 70 in which the rigidity of the fastener tape 71 is increased can be obtained.
  • the fastener tape 71 of the slide fastener 70 of Patent Document 1 is sewn to a relatively thin and soft fabric, the fastener tape 71 is wrinkled even if the tension of the sewing thread is applied to the fastener tape 71. And the fastener tape 71 can be prevented from undulating, and the slide fastener 70 can be neatly attached to the fabric in a flat state.
  • fabrics of fasteners such as clothing to which slide fasteners can be attached use fabrics of various materials depending on the application and design.
  • sewing is generally performed in a state where the fastener tape of the slide fastener is overlapped on the fabric of the fastener-attached product.
  • the fastener tape of the slide fastener is usually made by weaving or knitting polyester fiber.
  • Fastener tapes formed using such polyester fibers are light and durable, and have properties such as being hard to become wrinkles, but there are places where the surface is not smooth and soft, and the surface of the tape is, for example, nylon fibers. Gloss (gloss) that appears on the product cannot be obtained.
  • the present invention has been made in view of the above-described conventional problems, and its specific purpose is to ensure the flexibility of the fastener tape appropriately, improve the smoothness and feel of the tape surface, and further improve the tape surface. It is an object of the present invention to provide a fastener stringer that can give gloss to the surface and a method for manufacturing the same.
  • a fastener stringer provided by the present invention has, as a basic configuration, a fastener tape in which a core portion is woven and integrated with one side edge of a tape body, and the core of the fastener tape.
  • a fastener stringer having a plurality of fastener elements attached to a side edge of the tape including a portion at a predetermined pitch, wherein the tape body excluding the core portion of the fastener tape is subjected to heat and pressure treatment
  • the main feature is that the first tape surface of the constituent yarn constituting the tape body is made flatter than the surface of the constituent yarn constituting the core portion. is there.
  • the fastener tape has a weft thread arranged continuously to the tape body and the core part, and the weft thread includes a first portion that forms the tape body; It is preferable that the first portion of the weft has a flatter cross section than the second portion.
  • the tape body is woven with a plurality of tape body warps made of the weft and multifilament yarn, and the core is woven using a plurality of core warps made of the weft and multifilament yarn.
  • the tape main body warp has a flatter cross section than the core warp.
  • the first tape surface surface portion of the tape main body warp is formed wider in the tape width direction than the second tape surface surface layer portion arranged on the opposite side of the tape front and back direction.
  • the wefts are formed by drawing two single yarns made of multifilament yarns as a set, and the total fineness of the wefts made of two single yarns is the total fineness of each tape body warp. It is preferable that it is set larger.
  • the complete structure of the tape body is formed by four warps and four sets of wefts, and the first warp arranged at one end edge of the complete structure is a 2/2 structure.
  • the second warp that is woven and arranged next to the first warp is woven with a 2/2 structure in which the texture point is shifted by one in the first warp direction with respect to the first warp.
  • the third warp arranged next to the first warp is woven with a 2/2 structure in which the texture points are shifted by three in the first warp direction, and is arranged at the other end edge of the complete structure.
  • the 4 warp is preferably woven with a 2/2 structure in which the texture point is shifted by two in the first warp direction with respect to the first warp.
  • the fastener stringer manufacturing method provided by the present invention includes a fastener tape in which a core is woven and integrated with one side edge of the tape body, and a tape side edge including the core of the fastener tape.
  • a method of manufacturing a fastener stringer having a plurality of fastener elements attached at a predetermined pitch, the weaving step of weaving the fastener tape, and excluding the core portion of the woven fastener tape A calendering process for heat-pressing the tape body; and an element attaching process for attaching a plurality of fastener elements to the tape side edge of the heat-pressed fastener tape. Is the most important feature.
  • the manufacturing method of this invention includes the dyeing
  • the fastener stringer has a fastener tape and a plurality of fastener elements attached to the side edge of the fastener tape.
  • the fastener tape comprises a woven tape body and the tape body. And a core portion that is woven and integrated with one side edge.
  • the softening point of the constituent yarn constituting the tape main body or less A calendering process is performed in which a heat and pressure treatment is performed at a temperature of 5 ° C., whereby the constituent yarns (that is, warp yarns and weft yarns) constituting the tape body are melted and cured as in the above-mentioned Patent Document 1.
  • the first tape surface on the side of the constituent yarn that contacts the heating roller is made flatter than the outer surface of the constituent yarn constituting the core.
  • the fastener stringer of the present invention since the entire tape body of the fastener tape before the fastener element is attached is subjected to calendering, a plurality of tape side edges of the calendered fastener tape are provided. By attaching the fastener elements, it is possible to give gloss to the tape portions exposed between the fastener elements on the side edges of the tape.
  • the core of the fastener tape is not intentionally calendered on the core portion of the fastener tape.
  • the part retains a massive shape that bulges in the tape front and back direction from the tape body.
  • the fastener tape has a weft thread that is continuously arranged between the tape body and the core, and the weft thread is a first portion that forms the tape body (tape body formation). Part) and a second part (core part forming part) forming the core part. Furthermore, the first portion of the weft has a flatter cross section than the second portion.
  • the cross section of the first portion (tape body forming portion) that forms the tape body of the weft is the core of the weft. Since the first tape surface of the tape body is flattened by being flattened rather than the cross section of the second portion (core portion forming portion) to be formed, the smoothness and feel of the first tape surface are effective. Can be improved.
  • the tape body is woven by a plurality of tape body warps composed of wefts and multifilament yarns, and the core part is composed of a plurality of core part warps composed of wefts and multifilament threads. And a core string inserted into the bag weaving portion.
  • the tape body warp has a flatter cross section than the core warp.
  • the tape body is subjected to calendering, so that the cross section of the tape main body warp is crushed flatter than the cross section of the core warp, and the tape main body Since one tape surface is flattened, the smoothness and feel of the first tape surface can be effectively improved.
  • the first tape surface surface layer portion of the tape body warp is formed wider in the tape width direction than the second tape surface surface layer portion arranged on the opposite side of the tape front and back direction.
  • the first tape surface of the tape main body warp can be further flattened, and the smoothness and feel can be further improved.
  • Gloss gloss
  • the fastener tape can be prevented from becoming too hard due to flattening, and the flexibility and texture of the fastener tape can be appropriately ensured.
  • the weft yarn of the fastener tape is formed by aligning two single yarns made of multifilament yarns as a set. Further, the total fineness of the wefts composed of a set of two single yarns is set to be larger than the total fineness of each tape body warp.
  • the amplitude (crimp width) in the tape front and back direction between the float and sink of the tape body warp increases, and the weft of the tape body warp
  • the length of straddling can be increased (the amount of straddling is increased).
  • the tape body warp appearing on the first tape surface side of the weft can be more widely crushed, and the weft crossing The surface can be deformed into a flat shape, and the cross section of the tape main body warp can be effectively deformed into a flat shape.
  • the wefts appearing on the first tape surface side from the tape main body warp are also crushed widely, and the cross section thereof can be deformed into a flat shape.
  • the weft thread crushed flatly and the tape main body warp crushed flattened appearing on the first tape surface side of the weft thread are combined to form the first tape surface of the tape main body. Smoothness and touch can be improved more effectively, and gloss can be more effectively given to the first tape surface of the tape body.
  • the complete structure of the tape body is formed by four warps and four sets of wefts.
  • the first warp arranged at one end edge of the complete structure is woven in a 2/2 structure
  • the second warp arranged next to the first warp is a structure point with respect to the first warp.
  • the third warp arranged next to the second warp is woven in a 2/2 structure in which the structure point is shifted by three in the first warp direction with respect to the first warp.
  • the fourth warp arranged on the end edge is woven in a 2/2 structure in which the texture points are shifted by two in the first warp direction with respect to the first warp.
  • the tape body having such a woven structure can be flattened on the first tape surface of the tape body by calendering.
  • the strength of the tape main body can be appropriately secured, the structure of the bag woven portion of the core can be stabilized, and further, an appropriate texture and softness can be given to the tape main body.
  • the method for producing a fastener stringer includes a weaving step of weaving a fastener tape, and the entire main tape body excluding the core portion of the woven fastener tape, for example, constituting yarn constituting the tape body.
  • a plurality of fastener elements are formed by, for example, injection molding on the side edge of the heat-pressed fastener tape by a calendering process in which heat-pressing treatment is performed at a temperature at which the strip does not melt (preferably at a temperature not softening).
  • an element attaching step for attaching for attaching.
  • the first tape surface of the constituent yarn constituting the tape main body is used as the outer surface of the constituent yarn constituting the core portion without curing the constituent yarn of the tape main body.
  • the core portion of the fastener tape is not intentionally calendered.
  • the fastener element can be firmly and firmly attached to the tape side edge portion of the fastener tape whose shape is held, and high attachment strength of the fastener element to the fastener tape can be ensured.
  • Such a manufacturing method of the present invention includes a dyeing process step of dyeing the heat-pressed fastener tape before the element mounting step.
  • a dyeing process step of dyeing the heat-pressed fastener tape before the element mounting step.
  • staining process process a desired color can be easily colored to a fastener tape.
  • the dye applied to the fastener tape in the dyeing process may evaporate due to the heat and pressure treatment of the calendering process, and the color of the fastener tape may be lightened.
  • the dyeing fastness of the fastener tape may be reduced, by performing the dyeing process step after the calendering process as in the present invention, it is possible to stably give a desired color to the fastener tape, It can also prevent the dyeing fastness of the fastener tape from being lowered.
  • the woven fastener tape is supplied between the metal heating roller and the elastic roller, and the softening point or less of the constituent yarn constituting the tape body is below. Heating and pressing at a temperature of Thereby, the first tape surface of the tape body in the fastener tape is brought into contact with the heating roller, and the fastener tape is pressed with the heating roller and the elastic roller while heating the fastener tape to a predetermined temperature with the heating roller, The first tape surface with which the heating roller of the tape body contacts can be efficiently flattened without melting or softening the constituent yarns of the tape body.
  • the manufacturing method of the present invention includes using a roller provided with a guide groove portion that accommodates the core portion of the fastener tape on the peripheral surface as the heating roller in the calendering process.
  • a roller provided with a guide groove portion that accommodates the core portion of the fastener tape on the peripheral surface as the heating roller in the calendering process.
  • FIG. 1 It is a top view which shows the slide fastener formed using the fastener stringer which concerns on Example 1 of this invention. It is a bottom view of the slide fastener. It is sectional drawing of a fastener stringer. It is a schematic diagram which represents typically the woven structure of a fastener tape. It is a woven structure figure in the tape body of a fastener tape. It is a schematic cross section showing typically the section per 167 dtex of the tape main part warp which constitutes the tape main part of a fastener tape. It is a schematic cross section showing typically the section per 167 dtex of the core part warp which constitutes the bag woven part of the core part of the fastener tape.
  • a fastener stringer is configured by forming a plurality of synthetic resin fastener elements on the tape side edge portion of the fastener tape by injection molding.
  • the present invention can also be applied to the case where a fastener stringer is configured by attaching a metal fastener element to the tape side edge portion by caulking.
  • FIG. 1 is a plan view showing a slide fastener of Example 1
  • FIG. 2 is a bottom view of the slide fastener.
  • FIG. 3 is a sectional view showing a fastener stringer of the slide fastener.
  • FIG. 4 is a schematic diagram schematically showing the woven structure of the fastener tape
  • FIG. 5 is a woven structure diagram of the tape body of the fastener tape.
  • the front-rear direction refers to the tape length direction of the fastener tape, and the same linear direction as the sliding direction in which the slider slides.
  • the direction in which the slider is slid so as to engage the left and right element rows is referred to as the front
  • the direction in which the slider is slid so as to release the engagement between the element rows is referred to as the rear.
  • the left-right direction refers to the tape width direction of the fastener tape, which is parallel to the tape surface of the fastener tape and orthogonal to the tape length direction.
  • the left direction and the right direction in the plan view of the slide fastener as shown in FIG. 1 are respectively left and right. To do.
  • the up and down direction refers to the tape front and back direction perpendicular to the first and second tape surfaces of the fastener tape, and in particular, perpendicular to the front and rear direction and the left and right direction, and a slider handle is arranged on the fastener tape.
  • the direction on one side is the upper side, and the direction on the opposite side is the lower side.
  • the slide fastener 1 includes a pair of left and right fastener stringers 10 in which element rows 11 are formed on opposing tape side edges 22 of the left and right fastener tapes 20.
  • a slider 30 slidably disposed along the element row 11, and left and right fasteners (first fasteners) 12 disposed adjacent to the front end side of the element row 11 to prevent the slider 30 from falling off.
  • a separation fitting insert 13 disposed adjacent to the rear end side of the element row 11.
  • the slide fastener 1 of the present Example 1 has the main characteristics in the structure of the fastener tape 20 so that it may mention later.
  • the slider 30, the stopper 12, and the separation fitting insert 13 have substantially the same configuration as the slider, the stopper, and the separation fitting insert generally used in the conventional slide fastener. It is also possible to arbitrarily change the configuration of each member as necessary.
  • the slider 30 includes a slider body 31 and a handle 32 that is rotatably held by the slider body 31.
  • the slider body 31 includes an upper wing plate 33 and a lower wing plate 34, a guide column (not shown) that connects the front end portion of the upper wing plate 33 and the front end portion of the lower wing plate 34, and the left and right sides of the upper wing plate 33.
  • left and right shoulder openings are formed at the front end of the slider body 31 with the guide pillars in between, and a rear opening is formed at the rear end of the slider body 31.
  • a substantially Y-shaped element guide path that connects the left and right shoulder openings and the rear opening is formed so as to be surrounded by the upper wing plate 33, the lower wing plate 34, the upper flange portion, and the lower flange portion.
  • a tape insertion gap through which the fastener tape 20 can be inserted is formed between the upper flange portion and the lower flange portion arranged on the left and right side portions of the slider body 31.
  • the stoppers 12 are respectively arranged at the front end portions of the left and right fastener tapes 20 and are fixed to the fastener tapes 20 adjacent to the element rows 11.
  • the split-fitting insert 13 includes a butterfly bar 13b fixed to the tape side edge 22 of the right fastener tape 20, a box bar 13a fixed to the tape side edge 22 of the left fastener tape 20, and a box bar.
  • a box 13c that is integrally formed at the rear end of 13a and has an insertion recess into which the butterfly pin 13b is inserted.
  • a plurality of synthetic resin fastener elements 14 are arranged at a predetermined pitch on opposing tape side edges 22 (also referred to as element mounting portions) of the woven fastener tape 20. It is attached and configured.
  • the tape side edge portion 22 of the fastener tape 20 to which the fastener element 14 is attached is formed by a later-described core portion 24 of the fastener tape 20 and an end edge portion of the tape body 23 on the core portion 24 side.
  • a reinforcing portion 15 is formed on the front end portion and the rear end portion of the fastener tape 20 by attaching a synthetic resin film to the tape upper surface (first tape surface) and the tape lower surface (second tape surface). ing.
  • the fastener element 14 of Example 1 has the same configuration as that of a conventional synthetic resin fastener element that is generally used. More specifically, the fastener element 14 of the first embodiment is formed by injection molding a thermoplastic resin such as polyacetal, polyamide, polypropylene, polybutylene terephthalate, nylon, polycarbonate or the like. Further, the plurality of fastener elements 14 are attached to the tape side edge portion 22 of the fastener tape 20 with a predetermined mounting pitch along the tape length direction so as to form the element row 11. Yes.
  • a thermoplastic resin such as polyacetal, polyamide, polypropylene, polybutylene terephthalate, nylon, polycarbonate or the like.
  • each fastener element 14 includes an engagement head 14 a that has an oval shape in the front-rear direction, a neck 14 b that is formed continuously from the engagement head 14 a and has a constricted shape, It has a trunk portion 14c formed continuously from the neck portion 14b and fixed to the fastener tape 20, and a shoulder portion 14d extending in the front-rear direction from the neck portion 14b and the trunk portion 14c. Further, an insertion recess 14e for inserting the shoulder 14d of the fastener element 14 on the mating counterpart side when the left and right fastener elements 14 are meshed is formed at the top (tip) of the meshing head 14a. ing.
  • each fastener element 14 is fixed to the fastener tape 20 in a state of being spaced apart from the fastener element 14 adjacent to each other in the front-rear direction.
  • the body portion 14c is arranged on the front and back surfaces of the fastener tape 20, and in particular, the end portion of the body portion 14c opposite to the meshing head portion 14a side (tape inner side end portion) is a tape. It is located on the main body 23 and extends from the inner end of the tape through the core 24 of the fastener tape 20 toward the outside of the fastener tape 20.
  • arranged to the tape surface side of the fastener tape 20 and the trunk
  • the left and right fastener tapes 20 according to the first embodiment are arranged along a tape main body 21 sewn on a fastener-attached product such as clothing and bags, and along one side edge of the tape main body 21. Are attached to each other, and the tape side edge 22 of each fastener tape 20 is arranged to face the other fastener stringer 10. .
  • the tape side edge portion 22 is a region (range) in the tape width direction to which the fastener element 14 of the fastener tape 20 is fixed.
  • the fastener stringer of the mating counterpart 10 is a region up to a tape-facing side edge (a tape side edge on the core 24 side described later) that faces 10.
  • the tape main body 21 refers to a region (range) from the boundary portion of the fastener tape 20 with the tape side edge portion 22 to the tape outer side edge arranged on the side opposite to the above-described tape-opposing side edge. .
  • the boundary between the tape main body 21 and the tape side edge 22 is a tape main body warp 42 (most core part) arranged next to the core part 24 in FIG. 24 and the tape body warp 42 (the tape body warp 42 that is the second closest to the core 24) disposed next to the tape body warp 42.
  • each fastener tape 20 of the first embodiment is a tape body 23 arranged with a predetermined thickness dimension over a part of the tape main body 21 and the element mounting portion, and a tape facing the counterpart fastener stringer 10. It has a core portion 24 that is arranged along the side edge and has a massive shape that bulges in the tape front and back direction from the tape main body 23.
  • the boundary between the tape main body 23 and the core portion 24 is located between the tape main body warp 42 arranged next to the core portion 24 and a core string 26 described later of the core portion 24 in FIG.
  • the core string 26 is closer to the core string 26 than the boundary between the tape main body 21 and the tape side edge 22 described above.
  • the boundary between the tape body 23 and the core portion 24 includes a tape body warp 42 disposed next to the core portion 24 and a core disposed on the tape body 23 side of a bag weaving portion 25 of the core portion 24 which will be described later. It can be paraphrased that it is located between the partial warp yarns 43.
  • the tape body 23 in the fastener tape 20 of the first embodiment includes a weft 41 formed by aligning two single yarns made of multifilament yarns as a set, and a plurality of tape body warps 42 made of multifilament yarns. It is woven using. Polyester fibers are used for the weft 41 and the tape main body warp 42.
  • each tape body warp 42 alternates between the upper side of the two sets of wefts 41 and the lower side of the two sets of wefts 41. It is arranged in a traveling 2/2 structure, and one complete structure 40 is formed by four tape main body warps 42 and four wefts 41 each.
  • the complete structure means a minimum unit of a basic structure in a woven structure composed of a combination of warp and weft.
  • the texture point means a point where the warp and the weft intersect, and in the woven structure diagram of FIG. 5, the point where the warp intersects with the weft is filled.
  • the first warp arranged at one end edge of the complete structure 40 is woven in a 2/2 structure.
  • the second warp adjacent to the first warp is shifted by one with respect to the first warp, with the texture point (filled texture point) at which the warp intersects with the weft thread shifted forward (first warp direction).
  • the third warp adjacent to the second warp is shifted by three from the first warp to the first warp where the structure point where the warp intersects the weft is forwarded. It is woven in a 2/2 organization.
  • the 4th warp arranged on the other edge of the complete structure 40 is woven with a 2/2 structure in which the structure point where the warp intersects the weft is shifted by two toward the front with respect to the first warp. It is.
  • the front is defined as the first longitudinal direction
  • the rear that is opposite to the first longitudinal direction is referred to as the second longitudinal direction.
  • the portion where the tape main body warp 42 runs on the upper side of the weft 41 (the mass portion filled in the woven structure diagram) is appropriately dispersed.
  • the transverse cross section of the tape body warp 42 and weft 41 is flat.
  • the upper surface (first tape surface) of the tape body 23 can be effectively flattened by crushing so that This is achieved by the complete structure 40 described above being composed of four tape body warps 42 and four sets of wefts 41.
  • the tape body 23 having the woven structure as described above is formed by shifting the texture points of the four tape body warps 42 forming the complete structure 40 in a balanced manner. For this reason, while ensuring tape strength appropriately, the structure
  • the woven structure of the tape body 23 is not limited to the one described above.
  • a part or all of the structure of the tape body warp 42 is changed from 2/2 structure to 1/1 structure.
  • a part or all of the tape body 23 may be formed of a plain weave structure in which the tape body warps 42 and wefts 41 are alternately raised and sinked, and a part or all of the tape body 23 is formed of a twill weave structure. May be formed.
  • the weft 41 is continuously arranged on the tape main body 23 of the fastener tape 20 and the bag weaving portion 25 described later of the core portion 24 as a set of two single yarns.
  • the weft 41 has a first part (tape body forming part) 41a that forms the tape body 23 and a second part (core part forming part) 41b that forms the core part 24.
  • the first portion 41a of the weft 41 is in a region from the boundary between the tape main body 23 and the core portion 24 to the tape outer side edge disposed on the side opposite to the tape facing side edge of the fastener tape 20.
  • the second portion 41 b of the weft 41 is a portion disposed in a region from the boundary between the tape main body 23 and the core portion 24 to the tape facing side edge of the fastener tape 20.
  • weft threads 41 are arranged continuously throughout the fastener tape 20, and the first portion 41a of the weft threads 41 forms a woven structure of the tape body 23 together with the tape body warp threads 42. Also, the second portion 41b arranged on the core portion 24 side forms a bag weave portion 25 of the core portion 24 together with a core portion warp 43 described later.
  • the total fineness of each single yarn forming the weft 41 is set to 160 dtex or more and 340 dtex or less, and the number of filaments forming each single yarn is set to 72 or more and 144 or less. That is, the total fineness of the wefts 41 formed as a pair of two single yarns is set to 320 dtex or more and 680 dtex or less, and the number of filaments forming the entire weft 41 is 144 to 288. Is set.
  • the total fineness of the entire weft 41 is 680 dtex (the total fineness of each single yarn is 340 dtex), and the number of filaments forming the entire weft 41 is 192 (the filaments of each single yarn). The number is 96).
  • the total fineness of the weft 41 and the number of filaments are not particularly limited and can be arbitrarily changed.
  • the total fineness of each tape main body warp 42 of the first embodiment is equal to or greater than the total fineness of each single yarn of the weft 41 and is set to 160 dtex or more and 500 dtex or less.
  • the number of filaments forming each tape main body warp 42 is equal to or more than the number of filaments forming each single yarn of the weft 41 and is set to 72 or more and 180 or less.
  • the total fineness of the tape main body warp 42 is 500 dtex
  • the number of filaments forming the weft 41 is set to 144.
  • the weft 41 is formed by a set of two single yarns as described above, the total fineness of the set of wefts 41 is set larger than the total fineness of the tape main body warp 42, and The number of filaments forming the entire set of wefts 41 is set to be larger than the number of filaments forming the tape main body warp 42.
  • the first portion 41a of the weft 41 arranged on the tape body 23 and each tape body warp 42 are calendered by the heating roller 51 and the elastic roller 52, which will be described later, on the tape body 23. ing.
  • the shape of the cross section orthogonal to the longitudinal direction of the first portion 41a of the weft 41 and the tape main body warp 42 is the second portion 41b arranged in the core portion 24 of the weft 41 and the core of the fastener tape 20.
  • the upper surface of the tape body 23 with which the heating roller 51 is in contact is flattened, as well as having an elongated flat shape.
  • the total fineness of the weft 41 formed by a set of two single yarns is set to be larger than the total fineness of the tape main body warp 42 as described above, and the filament in the weft 41 is the same. Is larger than the number of filaments in the tape main body warp 42. In this case, since the weft 41 becomes thicker and the amplitude of the tape body warp 42 in the tape front and back direction increases, the amount of the tape body warp 42 straddling the upper surface side of the weft 41 can be increased.
  • the first portion 41a of the weft 41 placed on the tape body 23 is crushed in the tape length direction and the tape body warp straddling the upper surface side of the weft 41.
  • the portion 42 is crushed more widely in the tape width direction, and the cross section of the tape main body warp 42 can be made flat as shown in FIG.
  • the cross section of the tape main body warp 42 per 167 dtex is typically represented.
  • the cross section of the first portion 41a of the weft 41 is not shown in the drawing, it exhibits a flat shape that is squeezed and elongated in the tape length direction, and particularly straddles the upper surface side of the tape main body warp 42.
  • the cross section of the weft 41 has a more elongated flat shape.
  • the flattened portion straddles the first portion 41a crushed by the weft 41 composed of a set of two single yarns and the upper surface side of the first portion 41a of the weft 41.
  • the tape main body warp 42 crushed in a shape can be combined to flatten the tape upper surface of the tape main body 23, and the smoothness and feel on the tape upper surface can be effectively improved.
  • the upper surface of the tape main body 23 becomes flat, the light incident on the upper surface of the tape main body 23 is reflected more than the upper surface of the tape before being flattened, and the reflected light (diffused light) is strengthened. Therefore, gloss can be effectively given to the upper surface of the tape body 23.
  • the upper surface surface layer portion is in the tape front and back direction. It is crushed wider in the tape width direction than the surface layer portion (second tape surface surface layer portion) on the tape lower surface side located on the opposite side, and the dimension in the width direction in the surface layer portion on the tape upper surface side is It becomes larger than the dimension of the width direction in a surface layer part.
  • each tape body warp 42 has the cross-sectional shape as described above, for example, when the surface layer portion on the tape lower surface side of the tape body warp 42 is crushed widely in the tape width direction in the same manner as the surface layer portion on the tape upper surface side.
  • the fastener tape can be prevented from becoming too hard, and the flexibility and texture of the fastener tape can be ensured appropriately.
  • the filament disposed on the surface layer portion on the upper surface side of the tape may be provided with a non-circular cross section by being crushed by calendering.
  • the core 24 of the fastener tape 20 is not calendered.
  • 43 has a substantially circular cross section, and in particular, the surface (outer surface) exposed to the outside of the core warp 43 is formed in an arc shape. Further, the gap generated between the filaments forming the core warp 43 becomes relatively large.
  • the cross section of the second portion 41b arranged in the core portion 24 of the weft 41 is not shown in the drawing, the second portion 41b is not calendered in the same manner as the core portion warp 43. Therefore, while exhibiting a substantially circular shape, the surface (outer surface) exposed to the outside of the second portion 41b is formed in an arc shape. That is, the cross section of the weft 41 has a flat shape elongated in the tape length direction in the first portion 41 a woven with the tape main body warp 42 in the tape main body 23, while the core portion warp in the bag weaving portion 25 of the core portion 24.
  • the second portion 41b woven with 43 has a substantially circular shape whose outer surface is arcuate.
  • the first portion 41a of the weft 41 and the tape main body warp 42 in the tape body 23 subjected to the calendar processing with respect to the second portion 41b and the core portion warp 43 of the weft 41 are flat as described above.
  • the tape upper surface of the tape body warp 42 is flattened more than the arcuate outer surface of the core warp 43.
  • the filaments forming the tape main body warp 42 are in close contact with each other, and the gap generated between the filaments is reduced, and the density of the filaments in the tape main body warp 42 is increased.
  • the core portion 24 of the fastener tape 20 in the first embodiment is formed by holding the core string 26 inserted into the bag weaving portion 25. Further, the bag weaving portion 25 uses a weft 41 continuously arranged from the tape body 23 and a plurality of core warps 43 made of polyester multifilament yarns, thereby forming a bag-like double woven structure (bag weaving structure). Is woven. In the first embodiment, it is also possible to use nylon fibers for some core warps 43 among the plurality of core warps 43.
  • the core string 26 of the first embodiment is formed by wrapping core yarns composed of a plurality of aligned multifilaments in an outer knitting layer knitted with a plurality of knitting yarns. Such a core string 26 is sometimes called a knit cord.
  • the configuration of the core string 26 is not limited and can be arbitrarily changed.
  • a filament in which a plurality of filaments are arranged in parallel can be held in the bag weaving portion 25 as a core string 26.
  • the plurality of core warps 43 forming the bag weaving portion 25 of Example 1 are woven in a 1/3, 3/1 structure so as to wrap the core string 26 inside.
  • the number of the core part warp 43 which forms the bag weave part 25 can be arbitrarily changed according to the thickness of the core string 26.
  • the core warp 43 may be woven in a 1/4, 4/1 structure.
  • Each core warp 43 has the same total fineness as the above-described tape body warp 42, and the number of filaments forming each core warp 43 is also set to the same number as the above-described tape body warp 42. Further, since the core warp 43 is not subjected to calendering, as described above, the core warp 43 has a substantially circular cross section (see FIG. 7). A gap larger than the gap generated between the filaments forming the tape main body warp 42 is formed between the formed filaments.
  • the core portion 24 is formed by holding the core cord 26 of the knit cord in the bag woven portion 25 having the core portion warp 43 as described above, the enormous form of the core portion 24 can be stabilized. . In addition, since the core part 24 is not subjected to calendar processing described later, the form of the core part 24 is not crushed. For this reason, the fastener element 14 can be firmly fixed to the fastener tape 20 so as to firmly wrap the core portion 24.
  • a weaving process for weaving the fastener tape 20 is performed.
  • the fastener tape 20 including the tape main body 23 and the core portion 24 is woven using a loom so as to have the above-described predetermined structure.
  • a calendering process is performed in which the obtained fastener tape 20 is heated and pressurized.
  • the heating and pressurizing process is a process of applying pressure to the fastener tape 20 so that the vertical dimension of the fastener tape 20 becomes smaller than that when no pressure is applied while applying heat to the fastener tape 20.
  • the heat and pressure treatment apparatus 50 used in this calendering process includes a heating roller 51 formed of a metal such as steel, an elastic roller 52 arranged corresponding to the heating roller 51, and A tape supply unit (not shown) that supplies the fastener tape 20 between the heating roller 51 and the elastic roller 52 and a tape recovery unit (not shown) that is arranged on the downstream side of the heating roller 51 and the elastic roller 52 and collects the fastener tape 20. .
  • the heating roller 51 and the elastic roller 52 have a large dimension in the rotation axis direction of each of the rollers 51 and 52, and heat the plurality of fastener tapes 20 simultaneously. It is formed so that it can be pressurized.
  • the heating roller 51 of the heating and pressurizing apparatus 50 is rotatably arranged on one tape surface (tape upper surface) side of the fastener tape 20 to be conveyed. Moreover, this heating roller 51 can control the temperature of the roller itself, and can heat the fastener tape 20 to a desired temperature.
  • the roller circumferential surface portion of the heating roller 51 is recessed at a position corresponding to the smooth pressure surface 51 a that presses the tape body 23 of the fastener tape 20 and the core portion 24 of the fastener tape 20.
  • the guide groove 51b is provided in the heating roller 51 at a ratio of one to the fastener tape 20.
  • the elastic roller 52 of the heat and pressure treatment apparatus 50 has a metal cored bar 52a and an elastic layer 52b made of a synthetic resin or elastomer having elasticity and disposed around the cored bar 52a. Further, the roller peripheral surface portion of the elastic roller 52 has a slight recess 52c formed by being pressed through the fastener tape 20 as shown in FIG. In the present invention, a paper roller or a cotton roller may be used as the elastic roller 52.
  • the heating roller 51 and the elastic roller are heated while heating the heating roller 51 to a predetermined temperature.
  • 52 is rotated at a predetermined speed, and the fastener tape 20 is supplied from a tape supply unit (not shown) toward the rotating heating roller 51 and elastic roller 52.
  • the tape body 23 of the fastener tape 20 is passed between the pressure surface 51 a of the heating roller 51 and the elastic roller 52, whereby the tape body 23 (particularly the upper surface of the tape body 23) is heated by the heating roller 51.
  • the tape main body 23 is pressed in the tape front and back direction by the heating roller 51 and the elastic roller 52. Further, the core 24 of the fastener tape 20 is inserted and accommodated in the guide groove 51 b of the heating roller 51 when the tape main body 23 passes between the heating roller 51 and the elastic roller 52.
  • the fastener tape 20 is guided to a predetermined position with respect to the heating roller 51 and the elastic roller 52, and the fastener tape 20 Positioning can be performed easily. For this reason, the heat and pressure treatment can be stably applied to the entire tape body 23 excluding the core portion 24 of the fastener tape 20.
  • the heating temperature of the fastener tape 20 by the heating roller 51 is set to a temperature equal to or lower than the softening point of the polyester fiber forming the weft 41 and the tape body warp 42.
  • the fastener tape 20 The heating temperature is set to 195 ° C.
  • the heating temperature of the fastener tape 20 by the heating roller 51 is equal to or lower than the lowest softening point in those constituent yarns. Set to temperature.
  • the heating temperature of the fastener tape 20 is preferably set to 150 ° C. or higher, particularly 170 ° C. or higher.
  • the yarn constituting the fastener tape 20 is a polyester yarn, and its melting point is 230 ° C.
  • the softening point is a temperature lower than the melting point, and refers to a temperature at which the filament yarn becomes soft and the shape of the filament yarn changes compared to the original shape.
  • the cross-sectional shape of each filament which forms a constituent yarn is hard to change by performing the above-mentioned heat-pressing process to the constituent yarn of the fastener tape 20 which consists of multifilament yarns
  • the entire cross section of the constituent yarn composed of filaments is deformed from a substantially circular shape in which the yarn surface exposed to the outside is formed in an arc shape into a flat shape in which the yarn surface is relatively flat.
  • the tape body 23 of the fastener tape 20 is heated and pressurized while maintaining the form of the core portion 24 of the fastener tape 20.
  • the cross section of the tape main body warp 42 of the main body 23 and the cross section of the first portion 41a of the weft 41 are deformed into a flat shape, and the upper surface of the tape main body 23 with which the heating roller 51 contacts is flattened.
  • the fastener tape 20 by calendering using the heating roller 51 in contact with the upper surface of the tape (first tape surface) and the elastic roller 52 in contact with the lower surface of the tape (second tape surface) as described above. It is possible to smoothly perform the heating and pressurizing process by applying an appropriate pressure. Moreover, the tape upper surface portion on the heating roller 51 side can be crushed wider in the tape width direction than the tape lower surface portion on the elastic roller 52 side, and the tape upper surface of the tape body 23 is more effectively flattened. be able to.
  • the lower surface of the tape of the tape body 23 is flattened as compared with that before the heating and pressurizing treatment, the lower surface of the tape is not in contact with the heating roller 51, so that the gloss like the upper surface of the tape of the tape body 23 hardly appears.
  • the upper and lower surfaces can be flattened by calendering both the upper surface and the lower surface of the tape body 23.
  • a portion on the downstream side of the position of the heating roller 51 and the elastic roller 52 of the fastener tape 20 to be heated and pressed that is, the tape portion subjected to the heating and pressing process
  • the fastener tape 20 is pressed against the heating roller 51 and the elastic roller 52 while being slid, and the upper surface of the tape of the tape body 23 can be more stably and efficiently flattened.
  • a dyeing process is performed on the above-described fastener tape 20 that has been subjected to the heat and pressure treatment.
  • a specific method for dyeing the fastener tape 20 is not particularly limited.
  • the fastener tape 20 is wound around a dyeing beam, and the dyeing beam is heated in a dyeing solution heated to a predetermined temperature. By soaking for a long time, the fastener tape 20 can be dyed in a high temperature state.
  • the desired color can be stably colored on the fastener tape 20, and for example, the dye evaporates as in the case where the calendering process is performed after the dyeing process. As a result, it is possible to prevent the color of the fastener tape 20 from being lightened and the dyeing fastness of the fastener tape 20 from being lowered.
  • the dyed fastener tape 20 is held in a state where a predetermined amount of tension is applied in the tape length direction, and the core portion 24 and the tape body 23 of the fastener tape 20 are retained.
  • An injection molding process (element mounting process) in which a plurality of fastener elements 14 having a predetermined shape are formed by performing injection molding of a thermoplastic resin on the tape side edge 22 formed by the side edge on the core 24 side. )I do.
  • the fastener element 14 in which the fastener element 14 is molded, the side edge on the side of the core 24 of the tape body 23 is heated and flattened to be flattened. Pressure processing is not performed, the form of the enormous core part 24 is maintained, and the texture of the second portion 41b of the weft 41 and the core part warp 43 that are arranged in the core part 24 remains. For this reason, by performing injection molding on the tape side edge portion 22 of the fastener tape 20, the fastener element 14 can be fixed to the tape side edge portion 22 so as to firmly wrap the core portion 24.
  • the fastener element 14 is firmly attached to the tape side edge portion 22 of the fastener tape 20, and the flexibility of the fastener tape 20 is appropriately secured.
  • the tape upper surface of the tape body 23 is flattened.
  • the smoothness and the touch on the tape upper surface of the tape main body 23 of the fastener tape 20 can be improved, for example, compared with the tape lower surface of the tape main body 23.
  • the conventional woven fastener is provided on the tape upper surface of the tape main body 23. Gloss (gloss) that could not be obtained with tape can be expressed.
  • the tape body 23 that forms the tape side edge portion 22 of the fastener tape 20 is also flattened, and therefore, between the fastener elements 14 adjacent to each other in the tape length direction of the fastener tape 20. Also, the gloss can be exposed to the tape portion exposed to the tape, and the quality of the fastener stringer 10 can be improved.
  • the slide fastener 1 shown in FIG. 1 is manufactured by performing operations such as forming the stopper 12 and the separation / insertion insertion tool 13 on the set of fastener stringers 10.
  • the slide fastener 1 (fastener stringer 10) of Example 1 manufactured as described above has a texture such as smoothness and feel on the upper surface of the fastener tape 20 that has not been obtained conventionally, and also has gloss or gloss. Yes. Therefore, when the slide fastener 1 of the first embodiment is attached to a fastener-attached product such as clothing or groceries, the appearance of the fastener tape 20 is appropriately matched to the texture and design of the fastener-attached product, Since the appearance quality of the fastener-attached product can be improved as compared with the prior art, the commercial value of the slide fastener 1 can be greatly increased.
  • Example 1 after the weaving process of the fastener tape 20, the upper surface of the tape main body 23 in the fastener tape 20 (first tape) is performed by performing a calendering process that heats and pressurizes the fastener tape 20. Surface) is flattened.
  • the present invention is not limited to this.
  • two stages of heating and pressing are performed to flatten both the upper surface and the lower surface of the tape main body 23 of the fastener tape 20. It is possible to
  • the above-described heat and pressure treatment for the fastener tape 20 described in detail in Example 1 is referred to as a first heat and pressure treatment.
  • the tape lower surface (2nd tape surface) of the tape main body 23 in the fastener tape 20 is heated with respect to the fastener tape 20 in which the tape upper surface of the tape main body 23 was planarized.
  • the second heat and pressure treatment is performed under the same processing conditions as the first heat and pressure treatment so as to contact the roller 51.
  • both the upper surface and the lower surface of the tape main body 23 of the tape main body 23 of the fastener tape 20 can be flattened, so that the smoothness and feel of both the upper surface and the lower surface of the tape main body 23 can be improved. Gloss or gloss can be imparted. Furthermore, in this invention, it is also possible to perform the water repellent process which applies a water repellent to the fastener tape 20 as needed.
  • Example 1 although the core part 24 of the fastener tape 20 is formed by inserting and holding the core string 26 in the bag weaving part 25, in this invention, the form of the core part in a fastener tape
  • the structure is not limited to this, and the structure can be changed as long as it has a huge shape that bulges in the tape front and back direction with respect to the tape body of the fastener tape.
  • the core portion 24a of the fastener tape 20a is a second portion 41b of the weft 41 continuous from the tape body 23. It is formed by weaving and holding a core string 26 having the form of a knit cord. That is, the core part 24a according to this modification is not provided with the core part warp 43 like the core part 24 in the first embodiment, and the bag weaving part 25 is not formed.
  • fastener stringer 10a formed by using the fastener tape 20a provided with the core portion 24a according to this modification is also subjected to the same calendering process as in the case of the above-described first embodiment, The same effect as the fastener stringer 10 can be obtained.
  • the core portion 24a is formed by holding one core string 26 by the second portion 41b of the weft 41.
  • two core strings are used. Are arranged on the first tape surface (upper surface) side and the second tape surface (lower surface) side of the fastener tape, respectively, and these two core cords are woven and held by the second portion of the weft continuous from the tape body. By doing so, the core part of a fastener tape can also be formed.

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  • Slide Fasteners (AREA)
  • Woven Fabrics (AREA)
PCT/JP2014/062963 2014-05-15 2014-05-15 ファスナーストリンガー及びファスナーストリンガーの製造方法 WO2015173927A1 (ja)

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CN201480076543.XA CN106061312B (zh) 2014-05-15 2014-05-15 拉链牙链带及拉链牙链带的制造方法
PCT/JP2014/062963 WO2015173927A1 (ja) 2014-05-15 2014-05-15 ファスナーストリンガー及びファスナーストリンガーの製造方法
TW104114313A TWI574645B (zh) 2014-05-15 2015-05-05 Method for manufacturing zipper chain and zipper chain

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CN112823686B (zh) * 2019-11-21 2023-04-07 浙江伟星实业发展股份有限公司 一种拉链布带、注塑拉链及其制备方法

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JPH02169758A (ja) * 1988-12-23 1990-06-29 Unitika Ltd 柔軟な野蚕調ポリエステル系織物の製造方法
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