TW201509332A - Industrial material fastener tape and slide fastener provided with same - Google Patents

Abstract

The industrial material fastener tape is a fastener tape (1) for a slide fastener (50). The fastener tape has: a main tape body section (2), which is obtained from a fabric structure in which warp yarns (4) and weft yarns (5) are woven together; and an element-attachment section (3), which is provided along a side edge of said main tape body section (2) and to which an element chain (11) is attached. In the main tape body section (2), the weft yarns (5) are thicker than the warp yarns (4).

Description

Zipper tape for industrial materials and zipper with the same

The present invention relates to a zipper tape having a woven fabric structure and constituting a part of a zipper of an industrial material such as a plastic shed or a fishing net, and the like, and a zipper having the same, and specifically, a technique is proposed. The weft tensile strength of the chain fabric in the transverse direction orthogonal to the extending direction of the zipper can be effectively increased without greatly increasing the thickness of the main body portion of the fastener fabric.

In general, the zipper is composed of a pair of sprocket rows, which include a plurality of sprocket teeth and are arranged opposite each other; a zipper tape of the cloth type, which is mounted with the sprocket rows, and the sprocket row Connecting with the cloth or the like of the opening and closing portion; and the sliding member, which slides in the direction of the arrangement of the sprocket teeth in order to mesh or disengage the opposing sprocket rows; and separate or mesh the sprocket rows by sliding operation of the sliding member, Thereby, the function for opening and closing the above portion is exerted.

In the above-mentioned fastener tape, it is known that the main body of the chain fabric and the element attaching portion are formed as described in Patent Documents 1 and 2, and the main body portion of the chain is mixed with warp and weft. The sprocket mounting portion is disposed along a side edge of the main body portion of the sprocket for mounting the sprocket row and has a core cord.

In addition, for example, in a fishing net such as a fixed net or a culture net used in the field of fishery, the zipper is provided for the purpose of connecting and dividing a plurality of net parts in order to facilitate installation or dismantling work. In this case, in such a use, the zipper tape which is a part of the zipper must be orthogonal to the direction in which the zipper extends in the transverse direction of the tensile force acting, that is, in the plane of the cloth zipper tape. The direction is greater Tensile Strength.

Prior technical literature Patent literature

Patent Document 1: Japanese Patent Publication No. Sho 58-12866

Patent Document 2: Japanese Patent Publication No. 59-25215

However, in order to increase the weft tensile strength of the above-mentioned chain fabric of the fastener tape, the two yarns of the warp and weft yarns constituting the fastener tape are simply thickened, and the zipper fabrics of the warp and weft yarns which are staggered into substantially right angles are included. The thickness of the belt is extremely thick compared to the thickness of a zipper tape such as a zipper suitable for clothing, in which case the sliding resistance of the slider for performing the operation of sliding the slider on the element row is performed. As the size becomes large, there is a problem that the operability is lowered and the fastener is hardened, resulting in deterioration of the sewing property.

An object of the present invention is to solve such a problem of the prior art, and an object thereof is to provide a required latitudinal tensile strength of a chain fabric which can sufficiently ensure the degree required, for example, in the case of a plastic shed or a fishing net. A zipper tape for industrial materials that does not cause a large increase in the thickness of the zipper tape, and a zipper having the same.

A zipper tape for a zipper tape for industrial materials according to the present invention, comprising: a chain main body portion comprising a woven fabric structure obtained by kneading warp yarns and weft yarns; and a chain tooth mounting portion along the chain The side edge of the main body of the cloth is provided for mounting the chain of teeth, and in the main body of the chain cloth, the weft yarn is thicker than the warp yarn.

The zipper tape for industrial materials of the present invention is preferably a stretched yarn which is not subjected to DTY (Draw Textured Yarn) as described below, which is a stretched yarn, so-called FDY (full draw yarn). , fully drawn yarn). In order to make the FDY higher in strength than DTY, for example, the stretching ratio of the FDY can be more than 2 times, and the tensile strength is 5.0. cN/dtex or more.

Here, in the zipper tape for industrial materials of the present invention, it is preferable that the number of filaments of each of the weft yarn and the warp yarn of the main body of the chain fabric is 8.0 to 11.0 per 100 dtex, and preferably, on the one hand, The fineness of the warp of the main body of the chain fabric is 330 dtex or less, and the fineness of the weft of the main body of the chain fabric is more than 330 dtex.

Further, it is preferable that both the weft yarn and the warp yarn of the chain main body portion contain carbon black.

Further, here, the fastener tape for industrial materials of the present invention is preferably a woven fabric which is continuously extended from the main body of the chain fabric and woven in parallel with the warp yarn to feed the chain of the fastener element row. a core cord of a tooth, and a longitudinal fiber of one or more parallel with the warp yarn is woven between the core cord and the main body of the chain fabric to the weft yarn, thereby forming the sprocket mounting portion and sprocket The longitudinal fibers of the mounting portion are thicker than the warp yarns of the main body portion of the chain fabric.

Here, in the case where the core cord includes one or more core yarns extending in parallel with the warp yarn and a periphery of the core yarn and having a braided layer on the outer side of the knitted fabric, it is preferable to use the core. The yarn is set as the above-mentioned drawn yarn, and the outer knitted layer is made of a false twisted textured yarn having a draw ratio of 1.5 to 2 times by a false twisting step, so-called DTY.

Further, in this case, it is preferable that the number of latitudes of the knit fabric of the outer knit layer is 21.5 to 25 between 2.54 cm, the fineness of the core yarn is 800 to 2000 dtex, and the outer side is knitted. The fineness of each yarn of the layer is 75 to 330 dtex.

Moreover, it is preferable that both the core yarn and the outer braided layer of the core cord contain carbon black and/or a weather resistant agent.

The zipper of the present invention comprises a zipper tape, a sprocket row, and a slider. The sprocket row includes a plurality of sprocket mounted on a sprocket mounting portion of the zipper tape, and the slider is fitted to the chain. The tooth row is slidably displaced along the element tooth row, and the fastener tape is formed into the fastener tape for industrial materials according to any one of the above.

Preferably, the zipper is formed of a resin material containing carbon black, and each of the fastener elements of the element row is formed. Preferably, the slider comprises red brass after plating treatment or a resin material containing carbon black and/or weathering agent.

According to the zipper tape for industrial materials of the present invention, the weft yarn is thicker than the warp yarn by the main body portion of the chain fabric which has a particularly large tensile force during use, and the weft tensile strength of the chain fabric can be effectively improved without The thickness of the main body of the chain fabric is greatly increased.

1‧‧‧ zipper tape

2‧‧‧Chain body

3‧‧‧Chain mounting

4‧‧‧ warp yarn

5‧‧‧ Weft

6‧‧‧core rope

6a‧‧‧core yarn

6b‧‧‧Outer layer

7‧‧‧Vertical fiber

8‧‧‧ tightened yarn

10‧‧‧ sprocket

11‧‧‧Chain row

20‧‧‧Sliding parts

30‧‧‧ Pulling

50‧‧‧ zipper

L1‧‧‧ needle ring

L2‧‧‧ needle circle

N1‧‧‧ Tongue

N2‧‧‧ Tongue

N3‧‧‧ Tongue

N4‧‧‧ Tongue

T‧‧‧ knitting yarn

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a front elevational view, partially in section, of one embodiment of a fastener tape of the present invention.

Figure 2 is a cross-sectional view taken along line II-II of Figure 1.

3(a) and 3(b) are partial perspective views showing a state in which the zipper tape of Fig. 1 has a core layer on the outer side of the core rope to disassemble the knitted fabric structure, and a cross-sectional view taken along line b-b.

Fig. 4 is a front view showing a zipper having the fastener tape of Fig. 1.

Hereinafter, embodiments of the present invention will be described in detail based on the drawings.

The zipper tape 1 exemplified in FIG. 1 is formed by combining a slider and a plurality of fastener elements arranged in a chain to form a zipper fabric, and includes a chain main body portion 2 and a chain. The tooth attachment portion 3 is formed on the right side in the drawing, and the fastener attachment portion 3 is continuously provided along the left edge of the chain main body portion 2 to be attached to the fastener element row.

Further, the zipper tape 1 is used for industrial materials such as automobile materials, civil engineering/building materials, industrial materials, agricultural and forestry/aquatic materials, and the like, which are mainly non-clothing materials.

Here, as shown in FIG. 1 , the chain main body 2 includes warp yarns 4 extending in the direction in which the fastener elements are not shown (upward and downward directions in FIG. 1 ), and a zipper tape 1 in the form of a cloth. a woven fabric in which the weft yarns 5 extending in a direction orthogonal to the direction in which the fastener elements are arranged (the left-right direction in FIG. 1) are woven together, and each of the warp yarns 4 and the weft yarns 5 may be included. A single yarn of one filament, or two or more filaments, become a crepe with a twisted structure or become Threads of innocent construction.

Further, in the present invention, when the weft yarn 5 and the warp yarn 4 are compared with each other by the fineness expressed by the ratio of the weight to the length, as shown in an exaggerated view in Fig. 1, the weft yarn 5 of the chain fabric main body portion 2 is made larger than the warp yarn 4. Crude.

According to this, in particular, in the chain main body portion 1 for a zipper such as a fishing net, the longitudinal direction of the chain teeth is aligned, that is, the direction orthogonal to the direction in which the fastener elements are arranged, that is, the lateral direction acts to be larger. The extension force, at this time, by making the weft yarn 5 thicker than the warp yarn 4, the weft tensile strength in the transverse direction can be sufficiently increased to the extent required for, for example, a fishing net, and the two yarns of the weft yarn 5 and the warp yarn 4 are added. The increase in the thickness of the chain main body portion 2 can be suppressed to be small as compared with the case of the thick one. Further, by forming the weft yarn into a thick yarn, even if the surface of the fiber of the weft yarn is deteriorated by ultraviolet rays or the like, it is difficult to progress to the inside of the weft yarn, thereby increasing the latitudinal tensile strength retention ratio.

Furthermore, in more detail, the thickness of the chain main body portion 2 can be, for example, 0.50 mm to 0.70 mm.

Here, from the viewpoint of effectively increasing the tensile strength of the chain main body portion 1 as described above, it is preferable that each of the weft 5 and the warp yarn 4 of the chain main body portion 1 be pulled by 2 times or more. The yarn is stretched and stretched without the false twisting step, that is, the drawn yarn (high-strength FDY). Particularly preferably, the warp yarn 4 is formed into a twisted structure formed by twisting a plurality of drawn yarns, and the weft yarn 5 is formed into an innocent structure in which a plurality of drawn yarns are untwisted and pulled. When the warp yarn 4 as a twisted yarn is prevented from being broken on the loom, the weaving property is improved, and the weft yarn 5 having no influence on the weaving property is made flawless, thereby suppressing the increase in the processing cost. Large, low cost.

In addition, when the number of filaments of each of the warp yarns 4 and the weft yarns 5 is 8.0 to 11.0 per 100 dtex, the specific surface area of the filaments with respect to the chain fabric is small, so that the length can be suppressed. The ultraviolet rays inside the filament are deteriorated to further improve the weather resistance, and the decrease in the strength of the slit hole can be suppressed. That is, when the number of filaments is less than 8.0 per 100 dtex, there is When the sewing is performed, the suture hole is debonded to reduce the strength of the suture hole. On the other hand, when the number of filaments exceeds 11.0 per 100 dtex, the specific surface area of the filament relative to the chain cloth is increased. It may cause a decrease in weather resistance.

Further preferably, on the one hand, the fineness of the warp yarn 4 is set to 330 dtex or less, more preferably 280 dtex or less, and on the other hand, the fineness of the weft yarn 5 is more than 330 dtex, more preferably more than 470 dtex. Thereby, the weft tensile strength of the weft yarn 5 requiring a higher tensile strength can be further improved, and the fineness of the warp yarn 4 can be reduced to maintain the thickness of the chain main body portion 2 thin. Further, by reducing the fineness of the warp yarn 4 which does not require high strength as in the weft yarn 5, the manufacturing cost can be reduced.

In other words, when the fineness of the warp yarn 4 exceeds 330 dtex, depending on the fineness of the weft yarn 5, the thickness of the main body portion 2 of the chain fabric may be greatly increased as compared with the main body portion of the chain fabric suitable for the zipper of the fabric, and in the weft yarn 5 When the fineness is 330 dtex or less, there is a concern that the desired latitudinal tensile strength cannot be obtained.

Furthermore, when the "filament" is mentioned in the zipper tape 1 of the present invention, the case where the yarn contains a single filament refers to the fineness of the one filament, or the case where the yarn contains a plurality of filaments. The term refers to the sum of the total values of the deniers of the filaments constituting the yarn.

Here, in an industrial material such as a fishing net that is mainly used more than outdoor, it is preferable that the zipper to be attached to the desired portion to have an opening and closing function is effective in weather resistance against ultraviolet rays or the like. Therefore, each of the warp yarns 4 and the weft yarns 5 of a resin material such as polyethylene terephthalate (PET), polypropylene (PP) or polyethylene (PA), which is a constituent member of the zipper, is used. Each of them is formed into a yarn containing a weathering agent such as an ultraviolet absorber or a radical scavenger or a black ink stain containing carbon black, thereby preventing deterioration and fading of the yarn by the ultraviolet absorbing effect of carbon black. Preferably. Here, examples of the ultraviolet absorber include a benzotriazole-based, benzophenone-based, salicylate-based, cyanoacrylate-based, triazine-based, oxalic acid-based, nickel-substituted salt, and the like. Further, examples of the radical scavenger include a hindered amine system and the like.

In the fastener tape 1 of the present embodiment, the weft yarn 5 is extended to the left side in FIG. 1 over the chain main body portion 2, and is folded back in the U-shape to extend to the right side, and then the weft yarn 5 is placed. The extension portion extends in the longitudinal direction and is thicker than the weft yarn 5, and two core cords 6 are arranged side by side in the depth direction of FIG. 1, for example, and are disposed on both sides in the lateral direction via the core cord 6 and are both longitudinally For example, the four longitudinal fibers 7 and the two bundled yarns 8 are woven in the direction, thereby constituting the sprocket mounting portion 3. Since the core rope 6 of the fastener element mounting portion 3 has a thick thickness, as shown in FIG. 2, it protrudes from the front side or the back side of the cloth-like fastener tape 1, and is used for holding by For example, the fastener element 10 is provided as shown in FIG. 2 by injection molding of a resin material, thereby preventing the fastener element 10 from accidentally falling off from the fastener tape 1.

Here, as is understood from the cross-sectional view of Fig. 2, the longitudinal fibers 7 are arranged side by side along the plane of the cloth-like zipper tape 1, and the yam 8 is placed on the front of the chain orthogonal to the plane. Directions are arranged side by side.

In the case where the core yarn 6 and the chain main body portion 2 are provided in parallel with the warp yarn 4, and one or three or more longitudinal fibers 7 may be provided, the longitudinal fiber 7 is preferable. It is thicker than warp yarn 4.

According to this, when the sprocket 10 is formed of a resin material, when a part of the element attaching portion 3 is placed in the molding cavity of the mold, when the liquid molten resin flows into the cavity, it can be prevented from being provided. The liquid leakage of the molten resin on the portion of the longitudinal fiber 7 having a coarser thickness.

Here, in the present embodiment, the core cord 6 having the element retaining function includes one or more core yarns 6a, and the one or more core yarns 6a extend in parallel with the warp yarns 4, and are in use. Counteracting the tension acting on the direction in which the sprocket is arranged.

Further, in order to sufficiently increase the tensile strength in the direction in which the fastener elements are arranged, it is preferred to combine one or a plurality of the above-mentioned drawn yarns (FDY) to be combined or not, and to bundle them as necessary. The core yarn 6a is formed. The fineness of the core yarn is preferably from 800 to 2000 dtex, more preferably from 1100 to 1500 dtex.

However, in general, the core yarn 6a is composed of a yarn having a small number of filaments, and thus has the following Concerning: With the use of the zipper tape 1, the sprocket 10 is repeatedly stressed and easily damaged, and the sprocket holding effect of the core rope 6 cannot be sufficiently obtained, and the adhesion strength of the sprocket 10 to the zipper tape 1 is lowered.

In place of this, instead of arranging the core rope 6 as a reins or the like, as illustrated in (a) and (b) of FIG. 3, it is surrounded by one or more of the warp yarns 4, for example, around the five core yarns 6a. The core yarn 6a is provided with a knitted fabric tissue outer braiding layer 6b, and the core yarn 6a and the outer braided layer 6b constitute the core strand 6, whereby the above-described situation can be coped with by increasing the strength of the core strand 6.

The outer braiding layer 6b can be formed by a known knitting method, for example, as shown in Fig. 3, by performing four steps of placing a latch needle N1 every 90 degrees around the core yarn 6a. In the state of ~N4, for example, the four knitting yarns T are bent so as to draw "8" in the circumferential direction along the outer surface of the core yarn 6a, and are sent to the tongues N1 and N3, N2 which are spaced apart by 180°. Each of N4 forms a needle loop L1, L2 at its folded-back portion, and wraps the needle loop L1 on the front end side in the knitting direction with the needle loop L2 adjacent to the rear side, around the core yarn 6a. A tubular knit fabric is formed.

Further, here, by increasing the number of wefts of the knitted fabric structure of the outer knitted layer 6b, that is, increasing the density of the knitting weave, the core cord 6 is hardened to prevent damage of the core strand 6 during use, thereby effectively Improve the chain tooth retention function. Specifically, it is preferable that the number of the loop layers in the lateral direction of the knitted fabric structure of the outer knitted layer 6b, that is, the number of the latitudes, is 21.5 to 25 between 2.54 cm. That is, when the number of latitudes of the outer braided layer 6b is less than 21.5, the core cord 6 cannot be sufficiently hardened due to the small number of latitudes, and as a result, the sprocket retention may not be effectively improved. On the other hand, when the number of latitudes exceeds 25, the inner core yarn 6a is exposed in a ring shape from the outer side braided layer 6b of the core rope 6 due to the bending of the chain cloth at the time of weaving or the like. The core yarn 6a which is exposed when the core rope 6 is thermally contracted in the subsequent step is not restored, and is defective.

Moreover, in this case, the knitting yarn T of the outer knit layer 6b is preferably made by the draw ratio 1.5 to 2 times false twist processing yarn (DTY) which is subjected to false twist processing and has fluffiness and stretchability. Therefore, when the sprocket is formed by injection, the resin material is likely to adhere to the outer braiding layer 6b made of DTY. Therefore, even when a large tensile force acts in the lateral direction, the core cord 6 can be surely The sprocket 10 is retained.

Further, each of the knitting yarns T constituting the outer knitted layer 6b may be formed by twisting one or more filaments or by merely collecting without being twisted. The fineness of the knitting yarn T may be, for example, 75 to 330 dtex, but preferably 100 to 170 dtex.

As shown in Figs. 1 and 2, the core cord 6 is provided in a total of two on the front side and the back side of the cloth-like fastener tape 1 . In this case, since the core cords 6 which are linearly protruded from each of the front side and the back side of the fastener tape 1 are firmly engaged with each of the fastener elements 10 attached thereto, the fastener element can be further improved. Function, but the number of the core cords 6 is not limited to this.

Further, the core yarn 6a of the element attaching portion 3, the yarn constituting the outer braiding layer 6b, and the longitudinal fibers 7 are formed into a yarn containing a black stock solution containing a resin material of carbon black, similarly to the warp yarn 4 and the weft yarn 5. This is preferable from the viewpoint of improvement in weather resistance.

In the case of the core cord 6, when the outer braided layer 6b and the core yarn 6a are both composed of FDY, the sprocket containing the resin material formed by injection molding and the outer braided layer 6a composed of FDY are formed. The adhesion is not as large as the case where the outer braided layer 6a is composed of DTY, and thus the fastener element may not be sufficiently reliably held.

Further, when the zipper is sewn to the fabric, the sewn portion of the zipper tape 1 is tightened and contracted by the sewing yarn, and the sprocket portion is relatively longer than the end portion of the chain fabric. Thereby, the chain is in an undulating state in a state where the right and left links are aligned. This phenomenon is called a chain crepe. In order to prevent the occurrence of such a chain crepe, it is preferable that the element attaching portion 3 disposed in the mold cavity is slightly shorter in shape during the injection molding of the fastener element 10. Diagonal chain cloth. However, when both the outer braided layer 6b and the core yarn 6a are DTY, the core yarn 6a made of DTY does not undergo heat shrinkage, thereby making it impossible to form a diagonal chain fabric, and thus it is impossible to effectively prevent it. Outside The side braided layer 6b creates a worry about creping.

Therefore, as a combination of the types of yarns constituting each of the core yarn 6a and the outer braid layer 6b of the core string 6, it is particularly preferable that the core yarn 6a is FDY and the knitting yarn of the outer braid layer 6b is DTY.

Here, in the illustrated embodiment, as shown in FIG. 1, the fourth root of the core cord 6 is counted toward the chain main body 2 side (the right side in FIG. 1) without the core cord 6. The yarn is set as the vertical fiber 7 and the yarn which is present in the direction in which the longitudinal fiber 7 is separated from the core rope 6 is the warp yarn 4. In other words, in the fastener tape 1, the boundary between the element attaching portion 3 and the chain main body portion 2 is defined between the fourth and fifth roots counted from the core string 6 toward the chain main body portion 2.

The ratio of the element attaching portion 3 to the entire fastener tape 1 in the lateral direction orthogonal to the direction in which the fastener elements are arranged may be, for example, 10% to 15%.

The zipper tape 1 described above is one of the other constituent members and can constitute the zipper 50 as shown in FIG. That is, the zipper 50 includes: the zipper tape 1 described above; the sprocket row 11 including a plurality of sprocket 10 attached to the sprocket mounting portion 3 of the zipper tape 1, and a slider 20 that is fitted to The element rows 11 are slidably displaced in the direction in which the elements 10 are arranged (upward and downward in FIG. 4); further, here, the slider 30 is attached to the slider 20 for the user to hold.

Here, each of the fastener elements 10 of the chain row 11 may be, for example, polyoxymethylene (POM), polybutylene terephthalate (PBT), acrylonitrile-styrene-acrylate (ASA) or polyamine (PA). In view of the improvement of the weather resistance of the zipper 50, the POM resin is preferable, and the resin material preferably contains an ultraviolet absorber such as carbon black. The stop or opening and closing member may also be the same material as the fastener element 10.

Further, the sprocket 10 is attached to the sprocket mounting portion 3 in addition to the above-described method of injection molding of the resin material, and can be pressed or fixed to the sprocket mounting portion 3 by, for example, a metal sprocket, or a buckle. In the state in which the core string 6 is disposed inside the fastener element, the fastener element is sewn to the fastener element mounting portion 3 or the like.

Moreover, it is implemented by the pair of red brass as compared with the formation of the slider 20 by die casting of zinc. The case where the slider 20 is formed by plating is preferable in terms of weather resistance and corrosion resistance against salt water.

Example

Next, the fastener tape of the present invention was produced and evaluated for its performance, which will be described below.

First, the example chain cloth 1 and the comparative example chain cloths 1 and 2 were experimentally produced, and the strength of the chain main body portions of the respective chain cloths was evaluated.

The embodiment chain cloth 1 has the structure shown in Figs. 1 and 2, and the two yarns of the weft and the warp yarn use FDY, and on the one hand, the weft yarn has a fineness of 470 dtex and the number of filaments is 48. On the other hand, the warp fineness is 280dtex, the number of filaments is 25, making the weft yarn thicker than the warp yarn.

In the comparative example chain fabric 1, both the weft yarn and the warp yarn have a fineness of 330 dtex, the number of filaments is 96, and the weft yarn and the warp yarn have the same thickness, and have the same configuration as that of the example chain fabric 1. Further, in the comparative example chain fabric 2, both of the weft-inserted yarn and the warp yarn have a fineness of 280 dtex, the number of filaments is 24, and the weft yarn and the warp yarn have the same thickness, and have the same configuration as that of the example chain fabric 1.

For each of the above-mentioned zipper tapes, according to the cloth test method of the woven fabric and the knitted fabric specified in JIS L1096, the direction perpendicular to the extending direction of the fastener tape is performed at a stretching speed of 200 mm/min (and the direction in which the fastener elements are arranged) Orthogonal tensile test of the stretched chain fabric in the direction of the orthogonal direction, and the tensile strength of the chain fabric in the weft direction was measured.

Further, according to the cloth test method of the woven fabric and the knitted fabric specified in JIS L1096, both ends of the chain fabric of the slit were cut, and the average strength at the time of the tensile test at a speed of 200 mm/min was measured as the chain tear strength.

The test results are shown in Table 1 together with the specifications.

As is apparent from Table 1, the weft-like tensile strength and the chain tear strength of the chain fabric of the example of the weft yarns which are thicker than the comparative yarns are larger than those of the comparative example fabrics 1, 2, and thus Obviously, by making the weft yarn thicker than the warp yarn, the weft tensile strength of the chain fabric can be effectively improved.

Next, the example chain 2 to 6 were experimentally produced, and the fastener retention performance of each of the chain fabrics was evaluated.

The embodiment chain cloth 2 has the structure shown in Figs. 1 and 2, but it is a combination of a plurality of core yarns to form a core rope and does not have an outer braid layer, and the type of the core yarn is FDY.

Further, in the embodiment chain cloth 3, except that the outer core layer is provided around the core yarn as shown in Fig. 3, the core yarn and the outer braid layer are composed of FDY, and have the same shape as the embodiment chain cloth 2. Composition. Here, the number of latitudes of the outer braided layer is 21.75. In the example chain fabric 4, the configuration is the same as that of the example chain fabric 3 except that the outer braided layer is DTY and the number of wefts is 17.5. The embodiment chain cloth 5 is formed in the same configuration as the embodiment chain cloth 4 except that the number of weft rings is 20. The embodiment chain cloth 6 has the same configuration as the embodiment chain cloth 4 except that the number of weft rings is 21.75.

For the chain cloths 2 to 6 of the examples, the transverse tensile strength of the chain, the sliding strength of the fastener elements, and the strength of the sprocket extraction were determined.

Here, the transverse tensile strength of the chain refers to the breaking strength obtained by performing a tensile test at a grip width of 25 mm and a speed of 200 mm/min in a direction perpendicular to the fastener string in accordance with JIS S3015. Moreover, the sprocket sliding strength refers to the strength of one of the fastener elements when the tensile test is performed at a speed of 300 mm/min in the direction parallel to the chain belt according to ASTM D2061, and the sprocket pull-out strength is The breaking strength of one of the fastener elements in a tensile test at a speed of 300 mm/min in a direction perpendicular to the chain belt according to ASTM D2061.

These results are shown in Table 2.

According to the results shown in Table 2, it is understood that the chain of the embodiment chain cloth 3 to 6 composed of the core yarn and the outer braided layer is transversely stretched compared to the embodiment chain cloth 2 in which the core rope is the reins. Any of the strength, the sprocket sliding strength, and the sprocket pull-out strength are higher. Further, in Examples 3 to 6, the transverse tensile strength and chain of the chain of the chain 4 to 6 of the example in which the outer braided layer was DTY was compared with the chain fabric 3 of the example in which the outer knitted layer was FDY. The result of tooth extraction strength is better. Further, in the example chain cloths 4 to 6 in which the core rope structure and the type of the yarn are equal, the more the number of wefts of the outer layer is, the more the transverse tensile strength of the chain is increased.

1‧‧‧ zipper tape

2‧‧‧Chain body

3‧‧‧Chain mounting

4‧‧‧ warp yarn

5‧‧‧ Weft

6‧‧‧core rope

7‧‧‧Vertical fiber

8‧‧‧ tightened yarn

Claims (14)

A zipper tape for industrial materials, which is a zipper tape 1 for industrial materials for zippers (50), comprising: a chain main body portion (2) comprising a mixture of warp yarns (4) and weft yarns (5) a woven fabric structure; and a sprocket mounting portion (3) disposed along a side edge of the splicing main body portion (2) for mounting the sprocket row (11); and at the chain main body portion (2) The weft yarn (5) is thicker than the warp yarn (4). A fastener tape for an industrial material according to claim 1, wherein each of the weft (5) and the warp (4) of the chain main body portion (2) is composed of a drawn yarn. The zipper tape for industrial materials according to claim 1 or 2, wherein the number of filaments of each of the weft yarn (5) and the warp yarn (4) of the chain main body portion (2) is 8.0 per 100 dtex. 11.0 roots. The fastener tape for industrial materials according to any one of claims 1 to 3, wherein the warp yarn (4) of the chain main body portion (2) has a fineness of 330 dtex or less, and the weft yarn of the chain main body portion (2) is obtained. (5) The fineness is greater than 330 dtex. The zipper tape for industrial materials according to any one of claims 1 to 4, wherein the weft (5) and the warp yarn (4) of the chain main body portion (2) each contain carbon black. A fastener tape for industrial materials according to any one of claims 1 to 5, which is a shuttle which extends in parallel with the warp yarn (4) by a weft yarn (5) continuously extending from the main body portion (2) of the chain cloth. Weaving into the core rope (6) for holding the fastener elements (10) of the element row (11), and between the core rope (6) and the chain body portion (2), will be with the above warp yarn (4) a plurality of parallel longitudinal fibers (7) are woven into the weft yarn (5) to form the sprocket mounting portion (3); and the longitudinal fibers (7) of the sprocket mounting portion (3) are compared The warp yarn (4) of the main body portion (2) of the chain fabric is thick. A zipper tape for an industrial material according to claim 6, wherein the core rope (6) comprises: The warp yarn (4) extends in parallel with one or more core yarns (6a); and a peripheral layer (6b) provided around the core yarn (6a) and having a knitted fabric outer side; the core yarn (6a) The yarn is drawn, and the outer braided layer (6b) is made of false twisted textured yarn. A zipper tape for industrial materials according to claim 7, wherein the number of latitudes of the knit fabric of the outer knit layer (6b) is 21.5 to 25 between 2.54 cm. A zipper tape for an industrial material according to claim 7 or 8, wherein the core yarn (6a) has a fineness of 800 to 2000 dtex. The zipper tape for industrial materials according to any one of claims 7 to 9, wherein each of the outer knit layers (6b) has a fineness of 75 to 330 dtex. The fastener tape for industrial materials according to any one of claims 7 to 10, wherein the core yarn (6a) and the outer braid layer (6b) of the core cord (6) each contain at least one of carbon black and a weathering agent. A zipper comprising a zipper tape, a chain of teeth (11), and a slider (20), wherein the chain of teeth (11) comprises a sprocket mounting portion mounted on the zipper tape (3) a plurality of sprocket (10), the slider (20) is fitted to the sprocket row (11) and slidably displaced along the sprocket row (11), and the zipper tape is formed as requested A fastener tape (1) for industrial materials according to any one of items 1 to 11. A zipper according to claim 12, wherein each of the fastener elements (10) of the element row (11) is formed of a resin material containing carbon black. The zipper of claim 12 or 13, wherein the slider (20) comprises red brass which is subjected to a plating treatment, or a resin material containing at least one of carbon black and a weathering agent.