KR20160011391A - Manufacturing Method of Fastener Tape - Google Patents

Manufacturing Method of Fastener Tape Download PDF

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Publication number
KR20160011391A
KR20160011391A KR1020140092399A KR20140092399A KR20160011391A KR 20160011391 A KR20160011391 A KR 20160011391A KR 1020140092399 A KR1020140092399 A KR 1020140092399A KR 20140092399 A KR20140092399 A KR 20140092399A KR 20160011391 A KR20160011391 A KR 20160011391A
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KR
South Korea
Prior art keywords
base layer
fabric base
yarn
hook
woven
Prior art date
Application number
KR1020140092399A
Other languages
Korean (ko)
Inventor
김광선
Original Assignee
한국특수섬유기술 (주)
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 한국특수섬유기술 (주) filed Critical 한국특수섬유기술 (주)
Priority to KR1020140092399A priority Critical patent/KR20160011391A/en
Publication of KR20160011391A publication Critical patent/KR20160011391A/en

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    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
    • A44B18/0003—Fastener constructions
    • A44B18/0015—Male or hook elements
    • A44B18/0019—Male or hook elements of a mushroom type

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  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)

Abstract

The present invention relates to a weaving step of weaving weft yarns and upper and lower weft base layers and a lower weave base layer so as to be spaced parallel to each other while weaving together a hook yarn and a blocking yarn connected to the upper fabric base layer and the lower fabric base layer, A step of cutting the hook yarn and the shield yarn between the upper fabric base layer and the lower fabric base layer in parallel to the upper fabric base layer, and a melting step of melting the end of the hook yarn to form a head portion, / RTI >

Description

[0001] The present invention relates to a manufacturing method of a fastener tape,

The present invention relates to a method of manufacturing a fastener tape.

A typical fastener tape is formed by joining a hook to one surface of a base layer formed of a fabric and a foamed urethane resin on the other surface. The fastener tape is bonded to the urethane resin in a molding process for forming a resin foam for an automobile seat formed by foaming a resin such as a urethane resin. More specifically, first, the fastener is inserted into a fastener fixing frame formed in a mold for molding a urethane resin before the molding of the urethane resin, and is seated. At this time, since the fastener tape is formed to have a width smaller than the width of the fixed frame, a gap is formed between the inner surface of the fixed frame and the side surface of the fastener. Next, the urethane resin is filled in a molding mold and foamed to form a resin foam for an automobile seat. At this time, the urethane resin may flow into the hooks located on both sides of the fastener tape through the gap in the molding process. In this case, the hook of the fastener tape can not function due to the introduced urethane resin, and the fastener tape has a problem that the fastening force with the resin foam becomes weak.

An object of the present invention is to provide a method of manufacturing a fastener tape capable of preventing the urethane resin from flowing into the hooks during the molding process of the urethane resin.

The method of manufacturing a fastener tape of the present invention is a method of weaving a weft and an upper weave base layer of a weft and a lower weave base layer so as to be spaced apart in parallel to each other and weaving together a hook yarn and a blocking yarn connected to the upper fabric base layer and the lower fabric base layer A cutting step of cutting the hook yarn and the cut yarn in parallel to the upper fabric base layer between the upper fabric base layer and the lower fabric base layer and a melting step of forming a head by melting the end of the hook yarn .

In the weaving step, the upper fabric base layer and the lower fabric base layer are woven so as to be spaced apart from each other in the vertical direction while extending in the horizontal direction, and the hook yarns are alternately woven into the upper fabric base layer and the lower fabric base layer, The weft yarns being woven in a columnar fashion connecting the fabric base layer and the lower fabric base layer, the weaving yarns being alternately woven into the upper fabric base layer and the lower fabric base layer, Can be woven to form the shape. At this time, the hook yarns extend in the same direction as the warp yarns, and a plurality of weft yarns are woven along the longitudinal direction of the upper fabric base layer while being separated from each other by a predetermined distance in the width direction at the center in the width direction of the upper fabric base layer, The weft yarns may be woven on both side regions of the upper and lower fabric base layers in the same direction as the warp yarns.

In addition, the blocking yarn may be formed of a false twist yarn. In the cutting step, the blocking yarn may be cut to form a blocking wall, and the height of the blocking yarn may be maintained to be higher than the blocking wall. In addition, the blocking wall may be formed in a shape of a wall by loosening the exposed portion of the exposed portion exposed from the blocking yarn to the upper fabric base layer and the lower fabric base layer.

Also, the hook yarn may be formed with a head portion while being melted to form hooks having a lower height than the blocking wall.

The method of manufacturing a fastener tape according to the present invention has an effect that a blocking wall can be formed without a separate additional process because the blocking wall is formed by weaving together with the fabric base layer.

In addition, since the barrier wall is formed integrally with the fabric base layer, the method of manufacturing the fastener tape of the present invention has the effect of increasing the bonding force between the barrier wall and the fabric base layer.

In addition, the method of manufacturing a fastener tape of the present invention has the effect of preventing the urethane resin from flowing into the hooks by the blocking walls formed along both sides of the hooks, thereby maintaining the fastening force of the hooks.

1 is a perspective view of a fastener tape according to an embodiment of the present invention.
2 is a vertical cross-sectional view of AA of FIG.
3 is a side view of Fig.
4 is a vertical sectional view of BB of 1;
5 is a process diagram of a method of manufacturing a fastener tape according to an embodiment of the present invention.
6 is a perspective view showing a state in which the upper fabric base layer and the lower fabric base layer are woven with weft yarns, warp yarns, hook yarns and barrier yarns.
Figure 7 is a vertical cross-sectional view of CC of Figure 6;
Fig. 8 is a perspective view of the lower fabric base layer in a state in which the fastener tape of Fig. 6 is cut along DD; Fig.
9 is a partial vertical sectional view showing a coupling relationship between the fastener tape and the mold for resin molding according to an embodiment of the present invention.

Hereinafter, a method of manufacturing the fastener tape of the present invention will be described in more detail with reference to the embodiments and the accompanying drawings.

First, a fastener tape manufactured by a method of manufacturing a fastener tape according to an embodiment of the present invention will be described.

1 is a perspective view of a fastener tape according to an embodiment of the present invention. 2 is a vertical cross-sectional view of AA of FIG. 3 is a side view of Fig. 4 is a vertical sectional view of BB of 1; 1 to 3 are generated from a three-dimensional schematic diagram as a two-dimensional drawing. Therefore, some portions may be shown unclearly, but will be more apparent in view of the description of the detailed description.

1 to 4, the fastener tape 100 manufactured by the method of manufacturing a fastener tape according to an embodiment of the present invention includes a fabric base layer 110, a hook layer 120, and a blocking wall 130, .

The fastener tape 100 is formed by further including a metal resin layer 140 (see FIG. 9) and an elastic layer 150 (see FIG. 9) on the lower surface of the fabric base layer 110 . The metal resin layer may be separately formed as a plate-like film and adhered by a separate adhesive. The metal resin layer is formed of a mixture of a metal powder and a synthetic polymer resin. The metal resin layer allows the fastener tape 100 to be fixed to the frame of the mold for resin molding during the urethane resin molding process.

Further, the elastic layer is formed of a material such as a supporter, a blowing agent, an air mesh or a nonwoven fabric. The elastic layer is bonded to the lower surface of the fabric base layer 110 or the lower surface of the metal resin layer by a separate adhesive. The elastic layer is positioned below the fastener tape 100 and is directly contacted with the urethane resin when the urethane resin is molded. Therefore, the elastic layer increases the bonding force between the fastener tape 100 and the foaming agent.

The fabric base layer 110 is formed in a strip or plate shape and includes a first side and a second side opposite to the first side. Here, the first surface is the surface facing the z direction in Fig. 1, and the second surface is the surface facing the opposite direction. The fabric base layer 110 may be formed by weaving the fibers into a plate. For example, the fabric base layer 110 is formed by weaving a weft 111 and a warp 113. The weft yarns 111 extend in the width direction W of the fastener tape 100 in a linear shape or a curved shape and are disposed apart from each other in the longitudinal direction of the fastener tape 100. The warp yarns 113 extend in the longitudinal direction L of the fastener tape 100 in a curved or straight line shape and are woven together with the weft yarns 111 while contacting with each other in the width direction of the fastener tape 100. The fibers may be made of polyester, but are not limited thereto.

The hook layer 120 is formed on the first surface of the fabric base layer 110 such that the plurality of hooks 121 have a band shape having a predetermined width as a whole. That is, the hooks 121 are spaced apart from each other in the width direction W of the fastener tape 100 and are continuously disposed in the longitudinal direction L of the fastener tape 100. The hook layer 120 is formed to have a width smaller than the width of the fabric base layer 110. The hook 121 is formed in a pin shape and is formed such that one side protrudes outward from the first surface of the fabric base layer 110 (that is, z direction in FIG. 1). At this time, the hook 121 is joined to and fixed to the fabric base layer 110 while being woven together with the fabric base layer 110. The hook 121 has a head part such as a mushroom shape, an umbrella shape, and a cross shape at one end thereof. The head of the hook 121 is engaged with a loop of a loop tape (not shown) coupled with the fastener tape 100. The hook 121 is formed of a synthetic resin such as polypropylene resin or plastic. Meanwhile, the hook layer 120 may be formed as a hook used for general fastener tapes.

The hook layer 120 is detachably coupled to a fabric (not shown) or other hook (not shown) facing the fabric base layer 110.

The blocking wall 130 is formed in a strip shape having a predetermined width and height along both sides of the hook layer 120 on the first surface of the fabric base layer 110. At this time, the blocking wall 130 is formed to be in contact with or spaced from the side of the hook layer 120. In addition, the blocking walls 130 may be formed in two strips spaced apart from each other. The blocking wall 130 is preferably formed at a height higher than the height of the hook layer 120. The blocking wall 130 is formed such that the blocking yarn 131 is woven together with the fabric base layer 110 to protrude from the first side of the fabric base layer 110. The cut yarn 131 is woven with the warp yarn 113 and the weft yarn 111 while being supplied in parallel with the warp yarns 113 of the fabric base layer 110. That is, the blocking yarn 131 is located between the warp yarns 113 of the fabric base layer 110 and is woven with the weft yarn 111. The cut yarn 131 is U-shaped and joined at both ends thereof over the weft yarn 111 of the fabric base layer 110 so as to protrude from the first side of the fabric base layer 110. The blocking yarn 131 may be divided into an engaging portion 132 coupled to the fabric base layer 110 and an exposed portion 133 exposed to the first side of the fabric base layer 110. The engaging portion 132 is engaged with the weft 111 and the warp 113 of the fabric base layer 110 so that the blocking yarn 131 remains engaged with the fabric base layer 110.

The blocking yarn 131 is formed of at least one strand and may be formed of a plurality of strands. At this time, the exposed portions 133 of the cut yarn 131 come into contact with each other to form a wall shape having a predetermined height and width on the first surface of the fabric base layer 110. The blocking yarn 131 is formed of elastic fibers and is preferably formed of a twisted yarn formed by twisting a fine filament yarn. At this time, They may be loosened so as to have a uniform volume and be formed into a wall shape. Accordingly, the blocking wall 130 may be formed in a shape having a predetermined width and arranged in a lengthwise shape. On the other hand, the engaging portion 132 is coupled together with the weft 111 and the warp 113 of the fabric base layer 110, so that it is not loosened.

The blocking wall 130 is formed along the sides of the hook layer 120 and blocks the sides of the hook layer 120. Accordingly, the blocking wall 130 blocks the urethane resin from flowing into the hook layer 120 during the molding of the urethane resin. Moreover, since the blocking wall 130 is formed by weaving together with the fabric base layer 110, the bonding strength with the fabric base layer 110 is increased. Thus, the blocking wall 130 can block the side of the hook layer 120 more efficiently.

Meanwhile, since the blocking fibers 130 are formed by weaving together the fabric base layer 110 during the weaving process, the blocking layer 130 may be formed without any additional process.

Next, a method of manufacturing a fastener tape according to an embodiment of the present invention will be described.

5 is a process diagram of a method of manufacturing a fastener tape according to an embodiment of the present invention. 6 is a perspective view showing a state in which the upper fabric base layer and the lower fabric base layer are woven with weft yarns, warp yarns, hook yarns and barrier yarns. Figure 7 is a vertical cross-sectional view of CC of Figure 6; Fig. 8 is a perspective view of the lower fabric base layer in a state in which the fastener tape of Fig. 6 is cut along DD; Fig. 6 to 8 show the blocking wall and the hook layer formed on one side of the fastener tape as a center in order to more clearly show the structure of the fastener tape. 6 to 8 are generated from the three-dimensional design drawing to the two-dimensional drawing, so that there may be a portion which is shown unclearly, but it will become clear with reference to FIG. 1 to FIG.

5 to 8, the method of manufacturing a fastener tape according to an embodiment of the present invention includes a weaving step (S10), a cutting step (S20), and a melting step (S30).

The method of fabricating the fastener tape may include forming the blocking wall 130 together with the hook layer 120 by weaving and cutting the hook yarn 121a and the blocking yarn 131 together during the weaving of the fabric base layer 110 have. In particular, since the blocking wall 130 is formed integrally with the fabric base layer 110, the binding force with the fabric base layer 110 is improved. Accordingly, the blocking wall 130 is not deformed by the urethane resin during the urethane resin molding process, and the urethane resin can be effectively blocked from flowing into the hook layer 120.

The weaving step S10 includes weaving the upper fabric base layer 110a and the lower fabric base layer 110b so as to be parallel to each other with the weft yarns 111 and the inclined yarns 113, The hook yarn 121a connected to the lower fabric base layer 110b and the blocking yarn 131 are woven together.

The upper fabric base layer 110a and the lower fabric base layer 110b are formed by weaving the weft 111 and the warp 113 in the form of a fabric as described above. In the weaving step, the upper fabric base layer 110a and the lower fabric base layer 110b are woven together while being spaced apart from each other in parallel. 6, the upper fabric base layer 110a and the lower fabric base layer 110b are woven apart from each other in the vertical direction while extending along the horizontal direction.

The hook yarn 121a is alternately woven into the upper fabric base layer 110a and the lower fabric base layer 110b to form a column connecting the upper fabric base layer 110a and the lower fabric base layer 110b . Further, the hook yarn 121a is woven while extending in the same direction as the warp yarns 113. The hook yarn 121a is formed in a predetermined region at the center in the width direction of the upper fabric base layer 110a and is woven with a predetermined width along the length direction. That is, the hooks 121a are woven so that a plurality of hooks 121a are spaced apart from each other by a predetermined distance in the width direction and are arranged with a predetermined width along the lengthwise direction. The hook yarn 121a may be woven in various forms. For example, the hook yarn 121a may be woven over three strands of weft yarn 111 in the lower fabric base layer 110b and then extended to the upper fabric base layer 110a to form three strands of weft yarn 111 Is woven over. Next, the hook yarn 121a is extended to the lower fabric base layer 110b, and the fabric is woven across three strands of weft yarn 111. [

The hook yarn 121a is formed of a synthetic resin such as polypropylene or plastic, and is formed to have a predetermined thickness to maintain the binding force. The hook yarn 121a is preferably thicker than the warp yarn 113 and the weft yarn 111. Meanwhile, the hook yarn 121a may be formed of a hook yarn used for general fastener tapes.

The cut yarn 131 may be alternately woven into the upper fabric base layer 110a and the lower fabric base layer 110b in the same manner as the hook yarn 121a to form the upper fabric base layer 110a and the lower fabric base layer 110b, As shown in FIG. The cut yarn 131 is woven while extending in the same direction as the warp yarns 113. The cut yarn 131 is woven in both sides of a region where the hook yarn 121a is woven in the upper fabric base layer 110a and the lower fabric base layer 110b with a predetermined width. That is, the hooks 121a are woven in such a manner that a plurality of hooks 121a are arranged at predetermined intervals in the longitudinal direction while being separated from each other at predetermined intervals in the width direction on both sides of the area where the hooks 121a are woven. The blocking yarn 131 may be woven in various forms. For example, the blocking yarn 131 may be woven over a single strand of weft yarn 111 in the lower fabric base layer 110b and then extended to the upper fabric base layer 110a to form a single strand of weft yarn 111 Is woven over. Next, the cut yarn 131 may be repeatedly woven over a single weft yarn 111 by extending to the lower fabric base layer 110b. Thus, the cut yarn 131 is woven with the lower fabric base layer 110b and is woven with the upper fabric base layer 110a in the same manner as the warp yarns 113.

The blocking yarn 131 is formed of elastic fibers, preferably a twisted yarn formed by twisting fine filament yarns. The false-twist yarn means a stretch yarn processed by a twisting method in which twisting given once in the middle of the process is released in the final step.

The cutting step S20 is a step of cutting the hook yarn and the shield yarn between the upper fabric base layer and the lower fabric base layer in parallel to the upper fabric base layer.

As described above, the hook yarn 121a and the blocking yarn 131 form a column connecting the upper fabric base layer 110a and the lower fabric base layer 110b. Therefore, in the cutting step, the intermediate height between the hook yarn 121a and the blocking yarn 131 is cut while moving the blade parallel to the upper fabric base layer 110a using a separate blade.

As shown in FIG. 8, the hook yarn 121a is formed of synthetic resin, so that the hook yarn 121a maintains its height even if it is cut at an intermediate height.

4, when the cut yarn 131 is cut, the cut yarn 131 is shrunk and shrunk to a lower height and relatively lower than the hook yarn 121a. At this time, The weft yarn 111 and the warp yarn 113 and the woven joint portion 132 are not exposed to the outside of the upper fabric base layer 110a and the lower fabric base layer 110b without being twisted, (133) is loosened. The exposed portion 133 of the blocking yarn 131 is shaped like a cotton and has a wall shape. That is, the blocking yarn 131 is joined to the upper fabric base layer 110a and the lower fabric base layer 110b by the engaging portion 132 at both sides of the portion where the hook yarn 121a is woven, Shaped barrier wall 130 is formed. At this time, the blocking wall 130 is formed at a lower height than the cut hook yarn 121a. The blocking yarn 131 thus blocks the blocking wall 130 which is rigidly coupled to the upper fabric base layer 110a and the lower fabric base layer 110b with the upper fabric base layer 110a and the lower fabric base layer 110b. As shown in FIG.

In the melting step (S30), heat is applied to the end portion of the hook yarn to form the head portion. In the cut state, the hook yarn 121a maintains a relatively higher height than the blocking wall 130 as described above. The hook 121a is melted when heat is applied to the end of the hook 121a by a separate heating means to form a hook-shaped head, thereby forming a hook layer 120. [ At this time, the head portion is formed to have a lower height than the blocking wall 130. Thus, the hook layer 120 is formed at a lower height than the blocking wall.

Therefore, according to the method of manufacturing a fastener tape according to an embodiment of the present invention, the upper fabric base layer 110a and the lower fabric base layer 110b are formed while the weft yarns 111 and the warp yarns 113 are woven, The yarn 121a and the blocking yarn 131 are woven together and cut together to form two fastener tapes 100 at a time.

The following describes the operation of the fastener tape according to one embodiment of the present invention.

9 is a partial vertical sectional view showing a coupling relationship between the fastener tape and the mold for resin molding according to an embodiment of the present invention.

The fastener tape 100 is seated on the frame 12 inside the resin molding mold 10 and the hook layer 120 and the blocking wall 130 are directed to the inner bottom direction of the frame 12 and the fabric base layer The metal resin layer 140 and the elastic layer 150 formed on the lower surface of the substrate 100 are seated facing upward. At this time, the metal resin layer 140 acts on the magnetic material (not shown) located below the frame 12 to prevent the fastener tape 100 from moving. Particularly, when the foaming agent is introduced, So that the fastener tape 100 is not released to the outside of the frame 12.

The blocking wall 130 is seated in contact with the inner bottom surface of the frame 12. The pressure of the foaming agent is applied to the elastic layer 150 of the fastener tape 100 so that the fastener tape 100 is pulled out of the frame 12 when the foaming agent 20 such as urethane resin is injected into the molding mold 10. [ As shown in FIG. Therefore, the blocking wall 130 comes into contact with the inner bottom surface of the frame 12 more. Part of the blowing agent may be introduced into the space between the inner wall surface of the frame 12 and the outer surface of the fastener tape 100. Since the blocking wall 130 is in contact with the inner bottom surface of the frame 12, it prevents the foaming agent from flowing toward the hook layer 120. Accordingly, the fastener tape 100 more effectively blocks the inflow of the foaming agent into the hook layer 120.

As described above, the present invention is not limited to the above-described embodiment, but may be applied to a method of manufacturing a fastener tape according to the present invention, It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

100: fastener tape
110, 110a, 110b: fabric base layer
120: hook layer 130: blocking wall
140: metal resin layer 150: elastic layer

Claims (6)

A weaving step of weaving together the weft and the ramp upper fabric base layer and the lower fabric base layer so as to be spaced parallel to each other while hooking the weft yarn and the blocking yarn connected to the upper fabric base layer and the lower fabric base layer,
A cutting step of cutting the hook yarn and the shield yarn between the upper fabric base layer and the lower fabric base layer in parallel to the upper fabric base layer;
And melting the end portion of the hook yarn to form a head portion. The method according to claim 1,
In the weaving step, the upper fabric base layer and the lower fabric base layer are woven so as to be spaced apart from each other in the vertical direction while extending along the horizontal direction,
The hook yarns are woven alternately in the upper fabric base layer and the lower fabric base layer to form pillars that connect the upper fabric base layer and the lower fabric base layer,
Wherein the cut yarn is woven alternately in the upper fabric base layer and the lower fabric base layer to form a columnar shape connecting the upper fabric base layer and the lower fabric base layer. 3. The method of claim 2,
The hook yarns are woven along the longitudinal direction of the upper fabric base layer while being spaced at a predetermined distance in the width direction from the center in the width direction of the upper fabric base layer while extending in the same direction as the warp yarns,
Wherein the cut yarn is woven in a predetermined width on both side regions of a region where the hook yarns are woven in the upper and lower fabric base layers while extending in the same direction as the warp yarns. The method according to claim 1,
The blocking yarn is made of a false twist yarn,
In the cutting step, the cutoff sheet is cut to form a cutoff wall having a reduced height,
And the height of the hook yarn is maintained to be higher than that of the blocking wall. 5. The method of claim 4,
Wherein the barrier wall is formed in a shape of a wall in which the exposed portions of the barrier yarn exposed to the upper fabric base layer and the lower fabric base layer are loosened so as to have a cotton shape. The method according to claim 1,
Wherein the hook yarn is formed with a head portion while being melted to form a hoop having a lower height than the blocking wall.
KR1020140092399A 2014-07-22 2014-07-22 Manufacturing Method of Fastener Tape KR20160011391A (en)

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Application Number Priority Date Filing Date Title
KR1020140092399A KR20160011391A (en) 2014-07-22 2014-07-22 Manufacturing Method of Fastener Tape

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140092399A KR20160011391A (en) 2014-07-22 2014-07-22 Manufacturing Method of Fastener Tape

Publications (1)

Publication Number Publication Date
KR20160011391A true KR20160011391A (en) 2016-02-01

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