TWI641337B - Chain cloth for zipper - Google Patents

Abstract

The present invention provides a chain fabric that is easy to install a sprocket row and exhibits different appearances on the front and back, and makes the color as high as possible as a high-quality woven fabric. The chain fabric for a slide fastener of the present invention is a woven fabric having a single-layer woven portion (T1) located at one end in the weft direction and a double-layer woven portion (T2) adjacent to the single-layer woven portion in the weft direction. Further, the double-layer knitted portion includes a front yarn (Y1) exposed on the front side of the double-woven portion and a back yarn (Y2) exposed on the back side of the double-woven portion as warp yarns (Y). The front yarns are more exposed on the front side of the double woven portion than the back yarn, and the back yarns are more exposed on the back side of the double woven portion than the front yarn. The front yarn and the back yarn are dyed yarns of different colors.

Description

Chain cloth for zipper

The present invention relates to a chain cloth for a zipper, and more specifically, to a chain cloth for a woven fabric.

After the chain fabric of the woven fabric is manufactured, sprocket teeth are installed on one side edge portion thereof. It has the following technical common sense: Generally, if the chain fabric of the woven fabric is thick, it is difficult to install the sprocket. For example, in a case where a sprocket row including a monofilament is sewn to a chain fabric of a woven fabric, if the chain cloth is thick, the needle is difficult to pass through, and therefore it is difficult to attach the sprocket row.

Further, as an example of a chain cloth, there is a woven fabric using two types of yarns that can be post-dyed in order to make the front and back surfaces into desired colors (Patent Document 1). More specifically, the chain cloth is a woven fabric that uses a first yarn that can be dyed with a specific dye and a second yarn that can be dyed with other dyes without being dyed with the first yarn, and can be dyed with another dye. The dyed yarn is woven so that the first yarn is more exposed on the front side of the woven fabric than the back side and the second yarn is more exposed on the back side of the woven fabric than the front side. to make. In addition, after the chain cloth becomes a woven fabric, the first yarn and the second yarn can be dyed to a desired color by an inkjet dyeing method or a spray dyeing method, so that the front and back sides can be a desired color. Therefore, by dyeing the first yarn and the second yarn into different colors, the chain cloth becomes a woven fabric showing different appearances on the front and back.

Prior art literature Patent literature

[Patent Document 1]: Japanese Patent Laid-Open No. 5-277006

However, since the chain cloth is a post-dyed woven fabric, its color quality is inferior to that of a woven fabric woven with a previously-dyed yarn.

The chain cloth of the present invention was created in consideration of the above circumstances, and its object is to provide a woven fabric that is easy to install a sprocket row, and presents different appearances on the front and back, and makes the color as high as possible .

The chain fabric for a slide fastener of the present invention is a woven fabric having a single-layer woven portion located at one end in the weft direction and a double-layer woven portion adjacent to the single-layer woven portion in the weft direction. Further, the double-layered knitted portion includes a front yarn exposed on the front side of the double-woven portion and a back yarn exposed on the back side of the double-woven portion as warp yarns. The front yarns are more exposed on the front side of the double weave than the back yarn, and the back yarns are more exposed on the back side of the double weave than the front yarn. Moreover, the front yarn and the back yarn are different dyed yarns.

In order to distinguish the single-layer woven portion and the double-layer woven portion from the appearance of both the front side and the back side of the chain cloth according to color, it is desirable to set it as follows.

That is, the front yarn and the back yarn of the double-layer woven portion are set to be previously dyed yarns having different colors from the warp yarns of the single-layer woven portion.

In addition, in order to distinguish the single-layer woven portion and the double-layer woven portion in appearance based on color only on one of the front side and the back side of the chain cloth, it is preferable to set it as follows.

That is, one of the front yarn and the back yarn of the double-layer woven portion is set to be a previously dyed yarn having the same color as the warp yarn of the single-layer woven portion, and the other is set to a previously-dyed yarn having a color different from that of the single-layer woven portion.

In addition, the double-layer woven portion may be provided with only the front yarn and the back yarn as warp yarns. However, in order to reinforce the strength as a woven fabric, it is preferable to set it as follows.

That is, in addition to the front yarn and the back yarn, the double-layer knitting portion also includes a reinforcing yarn as a warp yarn. The reinforcing yarn is more exposed on the back side of the double-layer knitting portion than the front yarn, and more exposed than the back yarn. On the front side of the double weave.

In addition, although the density of the warp and weft yarns in the double-layer woven portion is not limited, in order to make the color of the warp yarn more reflect the color of the double-layer woven portion than the color of the weft yarn, it is easy to distinguish the single-layer woven portion from the appearance based on the color. The two-layer woven portion is preferably set as follows.

That is, the density of the warp yarns in the double-layer woven portion is greater than the density of the weft yarns.

In addition, although the density of the warp yarns in the single-layer woven portion and the double-layer woven portion is not limited, it is preferable to set the following as to easily distinguish the single-layer woven portion and the double-layer woven portion in appearance based on color.

That is, the density of the warp yarns in the double-layer woven portion is greater than the density of the warp yarns in the single-layer woven portion.

According to the chain cloth of the present invention, the thickness of the single-layer woven portion is thinner than that of the double-layer woven portion, and the thin-layer single-layer woven portion is provided at one end in the weft direction. Therefore, it is easy to install the sprocket row in the single-layer woven portion. In addition, since the first-dyed yarn is used for the warp yarn of the double-layer woven portion, the color of the chain cloth (double-layer woven portion) is higher in quality than that of a warp yarn that is dyed after becoming a woven fabric, for example. In addition, on the front side of the double-layer woven part, the color of the front yarn has an appearance effect, and on the back side of the double-layer woven part, the color of the back yarn has an appearance effect, so the chain cloth becomes different on the front side and the back side. Its appearance.

In addition, according to the color of the front yarn and the back yarn of the double-layer woven portion, which are different from the warp yarns of the single-layer woven portion, the chain cloth can be dyed on the outer surface of the chain cloth according to the color. Distinguish between single-layer weave and double-layer weave.

In addition, one of the front yarn and the back yarn of the double-layered woven portion is set to be a previously dyed yarn having the same color as the warp yarn of the single-layered woven portion, and the other is set to have a color different from the warp yarn of the single-layered woven portion. The chain cloth of the dyed yarn can distinguish the single-layer woven portion and the double-layer woven portion in appearance based on the color only on one of the front side and the back side of the chain cloth.

Moreover, according to a chain cloth having a reinforcing yarn as a warp yarn of the double-layer knitting portion in addition to the front yarn and the back yarn, the reinforcing yarn is exposed more on the back side of the double-layer knitting portion than the front yarn, and compared to the back surface. Since the yarn is more exposed on the front side of the double woven portion, the strength as a woven fabric is improved and the thickness as a woven fabric is thinner than a double woven portion in which, for example, only the front yarn and the back yarn are used as warp yarns.

In addition, according to the chain cloth that has a higher density of warp yarns in the double-layer woven portion than that of the weft yarn, the color of the warp yarn appears more in the color of the double-layer woven portion than the color of the weft yarn, so that the single-layer woven portion can be easily identified on the basis of color With double weave.

In addition, according to the chain cloth which has a higher density of warp yarns in the double-layer woven portion than that of the single-layer woven portion, it is easier to see the warp yarns in the double-layer woven portion than in the single-layer woven portion, so that it can be easily distinguished in appearance by color Single-layer weave and double-layer weave.

20‧‧‧ Zipper

21‧‧‧ zip chain

22‧‧‧ Slide

E‧‧‧ Sprocket

T‧‧‧Chain cloth

T1‧‧‧Single-layer Weaving Department

T2‧‧‧Double Weave Department

X‧‧‧ weft

Y‧‧‧Warp

Y0‧‧‧ Warp in single layer

Y1‧‧‧ front yarn

Y2‧‧‧Back yarn

Y3‧‧‧ reinforcing yarn

FIG. 1 is a diagram showing a top view of a chain cloth according to a first embodiment of the present invention and a schematic diagram showing a combination of yarns by enlarging a part thereof.

In FIG. 2, (A) is a schematic diagram showing an enlarged double-layer woven part in a part of the pattern diagram of FIG. 1, and (B) is a schematic diagram showing (A) the diagram in a state close to an actual woven fabric. Schematic diagram of the combination of the yarns on display.

In FIG. 3, (A) is a diagram showing the relationship between the three warp yarns and weft yarns of the double-layer weaving department, and (B) is a diagram showing the 0th and 36th yarns of the single-layer weaving department of FIG. 1. The relationship between warp and weft The drawing, (C) is a drawing showing the relationship between the 38th warp and the weft of the single-layer weaving part of FIG. 1.

Fig. 4 is a plan view showing a slide fastener using the chain cloth according to the first embodiment of the present invention.

An example of the slide fastener 20 is shown in FIG. The slide fastener 20 mainly includes two opposite fastener chain belts 21 and 21 and a slider 22 capable of reciprocating along the opposite side edges of the two fastener chain belts 21 and 21. The slide fastener 20 includes a chain cloth T according to the first embodiment of the present invention, and a sprocket row E that is sewn and mounted along the side edges of the opposite side of the chain cloth T.

The chain T of the first embodiment of the present invention is a woven fabric. When describing the present invention, the directions are specified as follows. The so-called "warp direction" refers to the direction in which the warp yarns and the weft yarns constituting the woven fabric extend when the woven fabric is viewed from the thickness direction. The so-called "weft direction" refers to the direction in which the weft yarn extends when the woven fabric is viewed from the thickness direction. Note that FIG. 4 does not show the warp yarn and the weft yarn because the entire zipper 20 is shown. However, in FIG. 4, the warp direction is an up-down direction, and the weft direction is a left-right direction. FIG. 1 shows a chain cloth T according to the first embodiment of the present invention, showing warp yarns Y and weft yarns. In FIG. 1, the warp direction is an up-down direction, and the weft direction is a left-right direction. The "front side" refers to one side in the thickness direction of the woven fabric, which is the paper surface side in Figs. 1 and 4 and, more specifically, the visual side. The "back side" refers to the other side in the thickness direction of the woven fabric, which is the back side of the paper surface in Figs. 1 and 4, and more specifically, the side that cannot be seen visually.

As shown in FIGS. 1 and 4, the chain cloth T of the first embodiment of the present invention is a woven fabric in which the single-layer woven portion T1, the double-layer woven portion T2, and the single-layer woven portion T1 are sequentially and sequentially arranged in the weft direction. Woven from a guide knitting machine. In other words, the chain cloth T of this embodiment is provided with a single-layer woven portion T1 at both ends in the weft direction, and a double-layer woven portion T2 adjacent to each other between the two single-layer woven portions T1 and T1. One of the two single-layer woven portions T1 and T1 is a portion where the sprocket row E is attached by sewing. The other is a part that is attached to an object such as clothes by sewing. Next, the single-layer weaving department T1 and the double weave T2 will be described in detail.

In FIG. 1, in addition to the chain cloth T, an enlarged view of a part of the chain cloth T is shown. In this enlarged view, a combination manner of the warp yarn Y and the weft yarn X is shown. In the enlarged view, in order to clarify this combination, warp yarns Y are represented by three types of thick lines, and weft yarns X are represented by one type of lines.

The three thick lines of the warp yarn Y are thicker solid lines (hereinafter referred to as "black lines") and black lines (hereinafter, referred to as "drops") between two parallel solid lines "Pattern lines"), parallel oblique lines (hereinafter referred to as "diagonal pattern lines") are arranged at equal intervals between two parallel solid lines. The line representing the weft X is a white line (hereinafter, referred to as a "white line") between two parallel solid lines.

In FIG. 1, the middle portion in the weft direction of the single-layer woven portion T1 on the left is omitted, the right portion of the double-layer woven portion T2 is omitted, and the right portion of the single-layer woven portion T1 on the right is omitted.

The so-called single-layer woven portion T1 refers to a woven fabric including warp and weft yarns which are single layers with each other. The single-layer woven portion T1 may have any structure, for example, a plain weave structure, a twill weave structure, a satin weave structure, and the like. Incidentally, in FIG. 1, the warp yarn of the single-layer woven portion T1 is represented by a waterdrop pattern line, and is marked with a symbol Y0.

The so-called double-layer woven portion T2 refers to any one of a warp-double layer fabric, a weft-double layer fabric, and a warp-weft double-layer fabric.

The so-called warp double-layer fabric refers to a shuttle fabric including one layer of weft yarn X and two layers of warp yarns Y and Y on the front and back sides.

The so-called weft double-layer fabric refers to a shuttle fabric including one layer of warp yarn Y and two layers of weft yarns X and X on the front and back sides.

The so-called warp and weft double-layer fabrics refer to shuttle fabrics in which both warp and weft Y are double-layered.

The double-layer woven portion T2 is a double-layer warp fabric in this embodiment, and 3 is used for the warp yarn Y. One kind of yarn is used for the weft yarn X.

The first warp yarn Y is a front yarn Y1, which is a yarn exposed on the front side of the double-layer woven portion T2. The second type of warp yarn Y is a back yarn Y2 which is a yarn exposed on the back side of the double-layer woven portion T2.

The front yarn Y1 is more exposed on the front side of the double woven portion T2 than the back yarn Y2. More specifically, in this embodiment, it is more exposed than the back side of the double woven portion T2. The yarn on the front side is a larger amount of yarn on the front side of the weft yarn X. Therefore, the length of the front yarn Y1 on the front side of the weft yarn X is longer than the length of the front yarn Y1 on the back side of the weft yarn X. The front yarn Y1 is a black line in the enlarged view of FIG. 1.

The back yarn Y2 is more exposed on the back side of the double woven portion T2 than the front yarn Y1. More specifically, in this embodiment, it is more exposed than the front side of the double woven portion T2. The yarn on the back side is a larger amount of yarn on the back side of the weft yarn X. Therefore, the length of the back yarn Y2 on the back side of the weft yarn X is longer than the length of the back yarn Y2 on the front side of the weft yarn X. In the enlarged view of FIG. 1, it is a diagonal line.

The third type of warp yarn Y is used to reinforce the yarn as the woven fabric strength, that is, reinforced yarn Y3, compared to the double-layer weave using only the front yarn Y1 and the back yarn Y2 as the warp Y. The reinforcing yarn Y3 is more exposed on the back side of the double woven portion T2 than the front yarn Y1, and is more exposed on the front side of the double woven portion T2 than the back yarn Y2. In more detail, the In this embodiment, the yarns are equally exposed on the front and back sides of the woven fabric. In the enlarged view of FIG. 1 is a line of waterdrop pattern.

FIG. 2 is a schematic diagram showing an enlarged representation of the double-layer woven portion T2 in a part of the schematic diagram of FIG. 1. In the example in FIG. 2, eighteen warp yarns Y are shown in the weft direction, and each warp yarn Y is sequentially listed from the left side to the right side of the drawing, and the numbers 1 to 18 surrounded by a round frame (○) are recorded. Numbering. Sixteen weft yarns X are shown in the warp direction, and each weft yarn is sequentially ordered from the lower side to the upper side in the drawing. X also records the numbers of 1 to 16 surrounded by a square frame (□). The front yarn Y1 in the warp yarns Y is the warp yarns Y, 1, 3, 5, 7, 10, 12, 14, and 16. The back side yarn Y2 in the warp yarn Y is the warp yarn No. 2, 4, 6, 8, 11, 13, 15, 15, 17 and the reinforcing yarn Y3 in the warp yarn Y is the warp yarn No. 9 and 18. Furthermore, in FIG. 2, the warp yarn Y of the double-layer woven portion T2 is 18, but it is set to 35 in this embodiment. As shown in FIG. 1, the warp yarn Y of the single-layer woven portion T1 is opposite to the double-layer woven portion T2. The warp yarn Y adjacent to the left in the weft direction is set to a warp yarn Y0 of 0, and the warp yarn Y adjacent to the right is set to a warp yarn Y0 of 36th.

As shown in FIG. 2 and FIG. 3 (A), the front yarn Y1 is woven by repeating the same weaving method every eight weft yarns X. The front yarns Y1 and No.5 are relative to the eight weft yarns No.1 to No.8, overlapping on the front side of the six weft yarns No.1 to No.6, and the backside sides of the two weft yarns No.7 to No.8. Weaving is staggered, and weaving is performed in this weaving manner with respect to the next eight weft yarns 9 to 16. The front yarn Y1 of No. 3 and No. 7 is opposite to the eight weft yarns X of No. 1 to No. 8, overlapping on the front side of the six weft yarns No. 1, No. 2 and No. 5 and no. The back side is woven in a staggered manner, and it is woven in this weaving manner with respect to the next eight weft yarns 9 to 16.

As shown in FIG. 2 and FIG. 3 (A), the back yarn Y2 in the warp yarn Y is also woven by repeating the same weaving method every eight weft yarns X. Yarns No. 2 and No. 6 on the back Y2 are woven in a staggered manner so as to overlap the back sides of the six wefts X No. 1 to No. 4, 7, and 8 and overlap the front sides of the two wefts X No. 5 to No. 6. In the following No. 9 ~ 16, eight weft yarns X are also woven in this way. Yarns No. 4 and 8 on the back Y2 are woven in a staggered manner so as to overlap on the front sides of the two wefts X on the No. 1 and No. 2 and on the back sides of the six wefts X on the No. 3 to No. 8. The eight weft yarns 9 to 16 are also woven in this way. The front yarn Y1 and the back yarn Y2 occupy most of the warp yarns Y constituting the double-layer knitted portion T2, and the same number is used in the double-layer knitted portion T2.

As shown in FIG. 2 and FIG. 3 (A), the reinforcing yarn Y3 in the warp yarn Y occupies a very small part of the warp yarn Y constituting the double-layer knitted portion T2, and is arranged at intervals in the middle of the double-layer knitted portion T2 in the weft direction. unit. In addition, the reinforcing yarn Y3 is woven by repeating the same woven pattern every four. The reinforcing yarn No. 9 of Y3 is woven in a staggered manner so as to overlap the back side of weft yarns 1 to 2 and overlap the front side of two weft yarns 3 and 4, and is relative to the next 5 to 8 yarns. The four weft yarns X are also woven in this woven manner.

In addition, the double-layer woven portion T2 is a woven fabric having a plurality of arrays (four groups in this embodiment) at intervals in the weft direction, and a set of a front yarn Y1 and a back yarn Y2 are alternately arranged in the weft direction, and There is a reinforcing yarn Y3 between two adjacent groups. In this embodiment, as shown in FIG. 1, the reinforcing yarn Y3 is the warp yarns Y3 of No. 9, 18, and 27. In addition, the warp yarns Y located on two adjacent sides of the double-layer woven portion T2 are the warp yarns Y0 of the two single-layer woven portions T1 and T1. In FIG. 1, the warp yarns 0 and 36 of Y0 are the same. As shown in Fig. 2 and Fig. 3 (B), weaving is performed in the same weaving method as the reinforcing yarn Y3.

Furthermore, the warp yarn Y0 of No. 38 of the single-layer weaving section T1 is woven by repeating the same woven pattern every eight. No. 38 warp yarn Y0 is woven in a staggered manner so as to overlap on the back side of weft yarns 1, 2, 7, and 8 and on the front side of two weft yarns 3 to 6 and is opposite to the next 9 The eighth weft yarn No. ~ 16 is also woven in this way.

In addition, when the chain cloth T of the first embodiment of the present invention is a woven woven fabric, the weft yarn X is folded back on at least one end portion of the woven fabric every plural times, more specifically, at least twice. The ground is formed by the shed of the double-layer woven portion T2. As a result, the warp yarn Y is overlapped on the front side or the back side with respect to the weft yarn X in the lowest two units. Incidentally, the shed refers to a gap formed by the warp yarns Y by moving a plurality of warp yarns Y up and down by using a shuttle loom, and the one through which the weft yarns X pass.

In addition, the front yarn Y1 appears on the front side and the back side of the double-layer woven portion T2 at a ratio of 6: 2. The back yarn Y2 appears on the front side and the back side of the double-layer woven portion T2 at a ratio of 2: 6. That is, both the warp yarn Y and the weft yarn X exist on the front side of the woven fabric. Therefore, considering only this situation, it is considered that both the front yarn Y1 and the back yarn Y2 exist in a ratio of 6: 2 in appearance. On the front side of the double weave T2. However, in fact, only the front yarn Y1 appears in the appearance of the front side of the woven fabric, and only the back yarn Y2 appears in the appearance of the back side of the woven fabric. The reason for the appearance of the front side of the woven fabric will be described below, and the reason for the appearance of the back side will be omitted.

Since the front yarn Y1 overlaps the front side of the adjacent "six" weft yarns X, the warp length of the front yarn Y1 is sufficiently longer than the weft direction in this part. If so, at both ends of the warp yarn Y1 in the warp direction, the restriction of the weft yarn X is strong, but in the middle of the warp direction, the restriction of the weft yarn X becomes weak, and the front yarn Y1 becomes a state of expanding toward the weft direction. On the other hand, because the back yarn Y2 overlaps the front side of the adjacent "two" weft yarns X, the length of the back yarn Y2 in the warp direction and the weft direction are almost the same in this part. Therefore, in the weft direction It hardly expands and becomes a straight line. Therefore, the ratio of the front yarn Y1 and the back yarn Y2 existing on the front side of the double-layer woven portion T2 is not 6: 2, but corresponds to the portion where the front yarn Y1 expands in the weft direction, and the front yarn Y1 occupies a larger proportion.

In addition, according to the above-mentioned constraint relationship of the weft yarn X, the front yarn Y1 is expanded in the weft direction at the middle portion of the warp direction, not only so, but also in the overlapping direction of the warp yarn Y and the weft yarn X. On the other hand, the back yarn Y2 is hardly spread in the overlapping direction of the warp yarn Y and the weft yarn X and becomes a straight line. Therefore, the front yarn Y1 is more positioned on the front side than the back yarn Y2 as it faces the middle portion in the longitudinal direction, and the front yarn Y1 is easier to recognize than the back yarn Y2.

In addition, when manufactured in a guide knitting machine, the tension of the weft yarn X is higher than that of the warp yarn Y (see FIG. 1). As shown in the enlarged view, two adjacent weft yarns X and X are continuous in a bending manner at one end side of the weft direction of the woven fabric. Therefore, when the woven fabric is placed on a flat surface when it is a woven fabric, It appears that all the weft yarns X exist on the same plane. Therefore, the front yarn Y1 overlaps the front sides of the multiple weft yarns X existing on the same plane, and the front yarn Y1 is obvious, but the weft yarn X is not obvious. Furthermore, since the front yarn Y1 is expanded in the weft direction, the weft yarn X is covered by the front yarn Y1, and the weft yarn X is even less noticeable.

The density of the warp yarn Y in the double-layer woven portion T2 is greater than the density of the weft yarn X. As a specific example, regarding the yarn thickness, the warp yarn Y and the weft yarn X are both set to 330T, the density of the warp yarn Y is set to 220 yarns / inch, and the density of the weft yarn X is set to 98 yarns / inch. Therefore, the ratio of the density of the warp yarn Y to the density of the weft yarn X becomes 220: 98 = 2.24: 1. By setting the ratio of the density of the warp yarn Y to 2.24 or more, the double weave portion T2 in this embodiment makes the weft yarn X less noticeable.

Furthermore, the relationship between one back yarn Y2 and two front yarns Y1 on the two adjacent sides is as follows. The relationship is that a portion of the front yarn Y1 on the front side of the double woven portion T2 always exists on the adjacent sides of the portion of the back yarn Y2 on the front side of the double woven portion T2. More specifically, this relationship includes not only No. 2 back yarn Y2 but also No. 1 and 3 front yarn Y1 on the front side of No. 5 and 6 weft yarns X. Therefore, the presence of the back yarn Y2 in the double woven portion T2 of this embodiment is difficult to be noticeable.

For the above reasons, it appears that only the front yarn Y1 exists on the front side of the double-layer woven portion T2 in appearance.

In addition, the chain cloth T of the first embodiment of the present invention is used for the warp yarn Y and the weft yarn X for the yarn dyed before being woven with a shuttle loom, that is, the yarn dyed before, and to the front side of the warp yarn Y of the double-layer woven portion T2. The yarn Y1, the back yarn Y2, and the warp yarn Y0 of the single-layer woven portion T1 are yarns dyed in different colors. In more detail, the warp yarns Y0 of two single-layer weave portions T1 located on two adjacent sides of the double-layer weave portion T2, the reinforcing yarn Y3 of the warp yarns Y of the double-layer weave portion T2, and all the weft yarns X use the same color. The single-colored first-dyed yarn uses the first-dyed yarn with a color different from that of the first-dyed yarn in the warp yarn Y of the double-layer woven portion T2. In addition, the front yarn Y1 and the back yarn Y2 among the warp yarns Y of the double-layer woven portion T2 are also dyed yarns having different colors and having a single color.

Moreover, as described above, the appearance of the front side of the double woven portion T2 looks like only the front yarn Y1 exists on the front side of the double woven portion T2. Therefore, in terms of the appearance of the front side, the first embodiment of the present invention The chain cloth T is shown in FIG. 1. It appears that the double-layer woven portion T2 exists between two single-layer woven portions T1 of the same color located on two adjacent sides of the double-layer woven portion T2 in a thick straight line extending in the warp direction. Not only that, but it also looks different from the color of the single-layer woven portion T1 (the color of the front yarn Y1). As shown in FIG. 4, the chain cloth T in this embodiment looks like a design that extends along the narrow line of the sprocket row E of the chain cloth T in the warp direction.

Also, although not shown, in the appearance of the back side, the chain cloth T of the first embodiment of the present invention also appears on two single-layer woven portions T1 of the same color located on two adjacent sides of the double-layer woven portion T2. The inter-double-layer woven portion T2 exists in a thick straight line extending in the warp direction. Not only this, but also looks different from the color of the single-layer woven portion T1 (the color of the back yarn Y2).

For example, if the front yarn Y1 of the double-layer woven portion T2 is set to a color that is different from the warp yarn Y0 of the single-layer woven portion T1, and the back yarn Y2 of the double-layer woven portion T2 is set to the color and the single-layer woven portion T1 When the warp yarn Y0 is the same as the previously dyed yarn, the front side of the chain cloth T appears between the two single-layer woven portions T1 of the same color located on the two adjacent sides of the double-layer woven portion T2 in a warp direction. Extensive, thick, straight lines exist. Not only that, they also look different from the color of the single-layer woven portion T1 (the color of the front yarn Y1). On the other hand, the difference in color between the single-layer woven portion T1 and the double-layer woven portion T2 cannot be confirmed on the back side of the chain cloth T. Therefore, only the front side of the chain cloth T looks like the double-layer woven portion T2 exists in a linear shape extending in the warp direction in a color different from that of the single-layer woven portion T1.

The chain cloth T of this embodiment not only uses the first-dyed yarn for the warp yarn Y of the double weave T2, but also Since the first-dyed yarn is used for the warp yarn Y of the single-layer woven portion T1, the color of the chain cloth T is high-quality compared to a case where the warp yarn is dyed after it becomes a woven fabric, for example. On the front side of the double-layer woven portion T2, the color of the front yarn Y1 has an appearance effect. On the back side of the double-layer woven portion T2, the color of the back yarn Y2 has an appearance effect, so the chain cloth T is on the front side. The appearance is different from the back side.

The chain cloth T according to the first embodiment of the present invention is such that the density of the warp yarns Y in the double-layer woven portion T2 is greater than the density of the warp yarns Y0 in the single-layer woven portion T1. As described above, the ratio of the density of the warp yarn Y to the density of the weft yarn X is set to 2.24: 1 in the double-layer woven portion T2. Assuming the density ratio in the double-layer woven portion T2 as a premise, the ratio of the density of the warp yarn Y in the double-layer woven portion T2 to the density of the warp yarn Y0 in the single-layer woven portion T1 is set to 1.61: 1. Therefore, the density of the warp yarn Y in the double-layer woven portion T2 is greater than the density of the warp yarn Y0 in the single-layer woven portion T1. Therefore, in the double-layer woven portion T2, it is easier to see the warp Y than the single-layer woven portion T1 (it is not easy to see the weft X). ), So that the single-layer woven portion T1 and the double-layer woven portion T2 can be easily distinguished in appearance based on color.

In addition, the chain cloth T of the first embodiment of the present invention is the one in which the sprocket row E is mounted on the single-layer woven portion T1. Compared with the double-layer woven portion T2, the single-layer woven portion T1 is thinner and has a double-layer woven portion T2. Compared with the density of the warp yarn Y of the warp yarn Y, the density of the warp yarn Y0 of the single-layer woven portion T1 is smaller. Therefore, for example, when a ring-shaped monofilament is sewn as the element row E, it is easy to install.

In addition, the chain cloth T according to the first embodiment of the present invention includes, in addition to the front yarn Y1 and the back yarn Y2, a reinforcing yarn Y3 as the warp yarn Y of the double-layer woven portion T2. The reinforcing yarn Y3 is more than the front yarn Y1. The ground surface is exposed on the back side of the double woven portion T2 and is more exposed on the front side of the double woven portion T2 than the back yarn Y2. Therefore, for example, only the front yarn Y1 and the back yarn Y2 are used as the warp yarn Y. Compared with the layer woven portion, the strength as a woven fabric is improved. Furthermore, the chain cloth T according to the first embodiment of the present invention has a plurality of reinforcing yarns arranged at intervals in the weft direction of the woven fabric. Y3 is thinner than the double-layer woven portion in which only the front yarn Y1 and the back yarn Y2 are used as the warp yarn Y, which is thinner.

The present invention is not limited to the above-mentioned embodiment, and can be appropriately changed within a range not departing from the gist thereof. As described above, the double-layer woven portion T2 is not limited to the warp-double layer fabric, but may be a weft-double layer fabric, a warp-weft double-layer fabric. Moreover, in the present embodiment, the front yarn Y1, the back yarn Y2, and the reinforcing yarn Y3 are used for the double woven portion T2, but the invention is not limited to this. The present invention may also use only the front yarn Y1 and the back yarn for the double woven portion T2. Y2.

Also, in the case of a double-layer fabric of warp and weft, the double-layer woven portion T2 may be a single-layer woven woven fabric of a single layer on the front side composed of only the front yarn Y1 and the weft X, and a back yarn Y2 and The overlap of the single-layer woven woven fabric on the back side constituted by the weft X may also be a reinforcing yarn Y3 used to reinforce the strength of the woven fabric as the double-layer woven portion T2, and in the weft direction of the double-layer woven portion T2 Those who use the reinforcing yarn Y3 to join the front side shuttle fabric and the back side shuttle fabric in place. As for the reinforcing yarn Y3, one of the entire front yarn Y1 or the entire back yarn Y2 constituting the double-layer knitted portion T2 may be used as the reinforcing yarn Y3, or the double-layer knitted portion T2 may be used. All the yarns of the front yarn Y1 and the back yarn Y2 are completely different, and a special yarn for joining the front fabric and the back fabric. In this case, the reinforcing yarn Y3 is also exposed more on the back side of the double-layer woven portion T2 than the front yarn Y1, and more exposed on the front side of the double-layer woven portion T2 than the back yarn Y2.

Incidentally, when the two front woven fabrics and the back woven fabric are simply overlapped, the front yarn Y1 is only exposed on the front side of the chain T, and the back yarn is not exposed at all, and the back yarn is not exposed at all. Y2 is exposed only on the back side of the chain cloth T, and is not exposed at all on the front side. In this case, the front yarn Y1 is also more exposed on the front side of the double-layer woven portion T2 than the back yarn Y2, and the back yarn Y2 is also more exposed on the double-layer woven portion than the front yarn Y1. T2 back Side

Claims (10)

A chain fabric for a zipper, characterized in that it comprises a single-layer woven portion (T1) located at one end in the weft direction, and a double-layer woven portion (T2) adjacent to the single-layer woven portion (T1) in the weft direction. Woven fabric, and the double-layer woven portion (T2) includes a front yarn (Y1) exposed on the front side of the double-layer woven portion (T2), and a back surface exposed on the back side of the double-layer woven portion (T2) As the warp yarn (Y2), the front yarn (Y1) is more exposed than the back yarn (Y2) on the front side of the double woven portion (T2), and the back yarn (Y2) It is more exposed on the back side of the double weave (T2) than the front yarn (Y1), and the front yarn (Y1) and the back yarn (Y2) are dyed yarns of different colors. For example, the chain cloth for the zipper of claim 1, wherein the color of the front yarn (Y1) and the back yarn (Y2) of the double-layer knitted portion (T2) is different from the warp yarn (Y0) of the single-layer knitted portion (T1). Dye the yarn first. For example, the chain fabric for the zipper of claim 1, wherein one of the front yarn (Y1) and the back yarn (Y2) of the double-layer woven portion (T2) is the same color as the warp yarn of the single-layer woven portion (T1) ( Y0) The yarn dyed before is the same, and the other is the yarn dyed before the warp yarn (Y0) with a color different from that of the single-layer woven part (T1). For example, the chain fabric for a zipper of claim 1, 2 or 3, wherein the double-layer woven portion (T2) is provided with a reinforcing yarn (Y3) as a warp yarn in addition to the front yarn (Y1) and the back yarn (Y2). Y), and the reinforcing yarn (Y3) is more exposed on the back side of the double weave (T2) than the front yarn (Y1), and more exposed on the back yarn (Y2) than the back yarn (Y2). The front side of the double-layer woven portion (T2). For example, the chain fabric for a zipper of claim 1, 2 or 3, wherein the density of the warp yarn (Y) in the double-layer woven portion (T2) is greater than the density of the weft yarn (X). For example, the chain cloth for a zipper of claim 4, wherein the density of the warp yarn (Y) in the double-layer woven portion (T2) is greater than the density of the weft yarn (X). For example, the chain fabric for a zipper of claim 1, 2 or 3, wherein the density of the warp yarn (Y) in the double-layer woven portion (T2) is greater than the density of the warp yarn (Y0) in the single-layer woven portion (T1). For example, the chain cloth for a zipper of claim 4, wherein the density of the warp yarn (Y) in the double-layer woven portion (T2) is greater than the density of the warp yarn (Y0) in the single-layer woven portion (T1). For example, the chain cloth for a zipper of claim 5, wherein the density of the warp yarn (Y) in the double-layer woven portion (T2) is greater than the density of the warp yarn (Y0) in the single-layer woven portion (T1). For example, the chain cloth for a zipper of claim 6, wherein the density of the warp yarn (Y) in the double-layer woven portion (T2) is greater than the density of the warp yarn (Y0) in the single-layer woven portion (T1).