Cloth tape for zipper and zipper

Abstract

The cloth belt of the zipper is formed by weaving warp and weft, a sewing portion and an installation portion are sequentially formed on the cloth belt in the width direction, zipper teeth of the zipper are sewn to the back face of the installation portion through sewing threads, and a first installation area and a second installation area are sequentially formed on the installation portion in the width direction. The first installation area is adjacent to the sewing part, the colors of warps and wefts of the first installation area and the second installation area are different, and sewing threads of the zipper teeth are sewn on the first installation area in a penetrating mode. The first installation area and the second installation area which are different in color are formed by weaving the warps and the wefts which are different in color, the second installation area serves as a cloth belt gap of the zipper and is used for highlighting visual colors, the attractiveness of the zipper is improved, and the visual effect of weakening or hiding the cloth belt gap is achieved; in addition, the color difference is brought by the warps and the wefts with different colors, and the fabric has the advantages of being durable, resistant to washing, not prone to fading and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of zippers, and more specifically to a zipper tape and a zipper. Background Art

[0002] A back-pull zipper is a zipper in which the zipper elements are sewn to the back of the zipper tape. Although the zipper elements are mostly or completely hidden under the tape, there will still be gaps in the zipper tape when viewed from the front.

[0003] In order to hide the gap of the fabric tape and improve the overall aesthetics of the zipper by using visual difference, the applicant provides an invention patent with authorization announcement number CN107224041B, a back-pull zipper with intermediate colors, including a pair of chain belts and a chain tooth row sewn on the back of the chain belts, and the pair of chain belts are divided into a first color area and a second color area in sequence along the contacting side to the other side, the first color area includes a first belt part, the second color area includes a second belt part, and an attachment layer is provided on the front of the first belt part or the second belt part, the first belt part and the second belt part have the same color and are integrally woven into the chain belt; the attachment layer and the first belt part have different colors. The attachment layers of different colors of the zipper realize the design of the intermediate color zipper. However, because its attachment layer is usually a glue or printing layer, the glue or printing layer is easy to fall off over time and after repeated daily washing, causing the intermediate color area of ​​the zipper to fade or become mottled and ugly, and there are problems such as short color life, easy fading, and poor durability. Utility Model Content

[0004] The utility model aims to provide a zipper tape to solve the above problems.

[0005] The utility model adopts the following technical solutions:

[0006] A cloth tape for a zipper, the cloth tape is woven by warp and weft threads, a sewing portion and an installation portion are sequentially formed on the cloth tape along the width direction, the chain elements of the zipper are sewn to the back side of the installation portion by stitches, the installation portion is sequentially formed with a first installation area and a second installation area along the width direction, the first installation area is adjacent to the sewing portion, the colors of the warp and weft threads of the first installation area and the second installation area are different, and the stitches of the chain elements are threaded and sewn to the first installation area.

[0007] Preferably, the color of the longitude and latitude lines of the second installation area is the same as the color of the coupling element.

[0008] Preferably, the colors of the longitude and latitude of the stitching portion and the first installation area are the same.

[0009] Furthermore, the stitching part adopts an up-down plain weave, the diameter of the warp of the stitching part is greater than or equal to the diameter of the weft of the stitching part, and the density of the weft of the stitching part is greater than or equal to 37 / in.

[0010] Furthermore, the mounting portion adopts a two-up-two-down twill weave or a variable weave.

[0011] Furthermore, one side of the sewing portion along the width direction of the fabric tape is connected to the mounting portion, and the other side of the sewing portion is also provided with a binding portion which is a hollow structure, and the binding portion adopts a single weft structure.

[0012] Furthermore, a transition portion is formed between the stitching portion and the hemming portion, and the transition portion adopts any one of a two-up-two-down square plain weave, a two-up-two-down warp-weighted plain weave, and a two-up-two-down weft-weighted plain weave.

[0013] A zipper comprises two rows of chain elements and two cloth tapes. The cloth tapes are any of the above-mentioned cloth tapes. The two cloth tapes are arranged side by side, and the mounting parts of the cloth tapes are close to each other. The two rows of chain elements are respectively sewn to the back sides of the mounting parts of the two cloth tapes.

[0014] Furthermore, when the zipper is engaged, the width of the gap between the two tapes is less than one tenth of the width of the two rows of chain elements when engaged, achieving a visual effect that the color of the chain elements can be visually identified through the gap between the tapes from the front side of the zipper.

[0015] From the above description of the structure of the utility model, it can be seen that compared with the prior art, the utility model has the following advantages:

[0016] 1. The utility model adopts warp and weft threads of different colors to weave into the first installation area and the second installation area of ​​different colors. The second installation area is used as the gap between the cloth tapes of the zipper to highlight the visual color, improve the aesthetics of the zipper and weaken or conceal the visual effect of the gap between the cloth tapes. Moreover, the difference in color is brought by the warp and weft threads of different colors, which has the advantages of being durable, resistant to washing and not easy to fade.

[0017] 2. The stitching of the chain element of the utility model is connected and sewn in the first installation area, thereby avoiding the stitching and sewing holes caused by sewing the chain elements, causing unnecessary visual interference to the color of the second installation area, and further improving the conspicuity of the zipper's intermediate colors.

[0018] 3. The hemming part, stitching part and installation part of the utility model adopt a unique weaving structure, so that the overall shrinkage rate of the stitching part is smaller than the overall shrinkage rate of the installation part and the hemming part, and the cross-section of the stitching part along the warp direction can present a concave and convex structure, so that after the stitching part of the cloth tape is sewn together with the fabric, the overall flatness of the fabric is good, and there will be no arching or wrinkling, and the appearance is more beautiful. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a cross-sectional view of a slide fastener using the fabric tape of the present invention along the width direction.

[0020] Figure 2 The figure is a front view of a zipper using the cloth tape of the utility model.

[0021] Figure 3 It is a cross-sectional view of the sewing portion of the utility model along the warp direction.

[0022] Figure 4 This is a two-up and two-down twill assembly and a two-up and two-down variation organization diagram of the installation part of the utility model.

[0023] Figure 5 This is a one-up-one-down plain weave structure diagram of the sewing part of the utility model.

[0024] Figure 6 The utility model shows a transition part with two upper and two lower square plain structures, two upper and two lower warp double plain structures, and two upper and two lower weft double plain structures.

[0025] Figure 7 It is a single weft organization diagram of three-up and one-down and one-up and three-down hemming parts of the utility model.

[0026] Among them, the numbers in the figure are: cloth tape 10, edge portion 11, transition portion 12, stitching portion 13, installation portion 14, first installation area 141, second installation area 142, fastener element 20, and stitching line 30. DETAILED DESCRIPTION

[0027] The specific implementation of the embodiment of the utility model is described below with reference to the accompanying drawings.

[0028] Reference Figure 1 and Figure 2 A zipper tape and a zipper using the tape, the tape 10 is woven from warp and weft, the tape 10 is sequentially formed with an edge portion 11, a transition portion 12, a stitching portion 13 and a mounting portion 14 along the width direction, the zipper's chain element 20 is stitched to the back of the mounting portion 14 by stitches 30, the stitching portion 13 is used to sew and fix with the fabric, and the edge portion 11 is used to prevent scratching and discomfort to the skin, thereby improving comfort. The zipper includes two rows of chain elements 20 and two of the above-mentioned tapes 10, the two tapes 10 are arranged side by side, and the mounting portions 14 of the tapes 10 are close to each other, and the two rows of chain elements 20 are stitched to the back of the mounting portions 14 of the two tapes 10, respectively. In this embodiment, the warp and weft of the tape 10, the color of the chain element 20, and the color of the stitching 30 are all dyed in advance and then woven.

[0029] Reference Figure 1 and Figure 2Specifically, the mounting portion 14 is sequentially formed with a first mounting area 141 and a second mounting area 142 along the width direction. The first mounting area 141 is adjacent to the sewing portion 13. The colors of the warp and weft lines of the first mounting area 141 and the second mounting area 142 are different. The stitching line 30 of the chain element 20 is connected and sewn on the first mounting area 141. The utility model uses warp and weft lines of different colors to weave the first mounting area 141 and the second mounting area 142 of different colors. The second mounting area 142 is used as the gap of the cloth tape 10 of the zipper to highlight the visual color, improve the aesthetics of the zipper, and weaken or conceal the visual effect of the gap of the cloth tape 10. And the difference in color is brought by the warp and weft lines of different colors, which has the advantages of durability, washing resistance, and not easy to fade. In addition, the stitching line 30 of the chain element 20 of the utility model is connected and sewn on the first mounting area 141, so as to avoid the stitching line 30 and the sewing hole brought by the sewing chain element 20, which will cause unnecessary visual interference to the color of the second mounting area 142, and further improve the conspicuity of the zipper color.

[0030] The colors of the warp and weft of the hemming portion 11, transition portion 12, stitching portion 13 and first installation area 141 of the utility model can be the same or different. In order to highlight the intermediate color of the zipper, in some embodiments of the utility model, the colors of the warp and weft of the hemming portion 11, transition portion 12, stitching portion 13 and first installation area 141 are the same, and only the colors of the warp and weft of the second installation area 142 are different, so as to achieve a visual effect of highlighting the color.

[0031] Reference Figure 1 and Figure 2 In addition, in order to achieve the color of the fastener element 20 being visually recognized through the gap between the tapes 10 from the front side of the zipper, in some embodiments of the present invention, when the zipper is in meshing state, the width dimension E of the gap between the two tapes 10 is set to be less than one tenth of the width dimension F of the two rows of fastener elements 20 in the meshing state, so as to achieve the above-mentioned visual effect. At the same time, in order to make the visual effect more significant, in some embodiments, the colors of the longitude and latitude lines of the second installation area 142 and the colors of the fastener elements 20 can also be selected to be the same color.

[0032] In order to prevent the utility model from bulging or wrinkling after being sewn together with the fabric, Figure 4 As shown, the mounting portion 14 of the present invention adopts a two-up and two-down twill weave or a variable weave; Figure 1 and Figure 7 As shown, the binding portion 11 is a hollow structure, specifically, a ring-shaped hollow structure consisting of an upper half and a lower half, the upper half is located on the front side of the zipper tape, and the lower half is located on the back side of the zipper tape, and the upper half of the binding portion 11 adopts a single weft structure of three up and one down, and the lower half of the binding portion 11 adopts a single weft structure of one up and three down; Figure 5As shown, the stitching part 13 adopts a plain weave with one up and one down, and the diameter of the warp of the stitching part 13 is greater than the diameter of the weft of the stitching part 13. Preferably, the diameter of the warp of the stitching part 13 is more than twice the diameter of the weft, and the weft density of the stitching part 13 is greater than or equal to 37 / in, and 37 / in specifically refers to 37 wefts per inch. As a result of the above-mentioned weaving structure, the overall shrinkage rate of the stitching part 13 of the utility model is smaller than the overall shrinkage rate of the mounting part 14 and the hemming part 11, and the cross section of the stitching part 13 along the warp direction can present a concave and convex structure, so that after the stitching part 13 of the cloth tape 10 is sewn together with the fabric, the overall flatness of the fabric is good, and there will be no arching or wrinkling, and the appearance is more beautiful.

[0033] In some embodiments, Figure 6 As shown, in order to ensure that the stitching portion 13 and the edging portion 11 can be firmly and reliably combined together, the transition portion 12 between the stitching portion 13 and the edging portion 11 adopts any one of a two-up and two-down square plain structure, a two-up and two-down warp plain structure, and a two-up and two-down weft plain structure.

[0034] The above is only a specific implementation method of the utility model, but the design concept of the utility model is not limited to this. Any non-substantial changes to the utility model using this concept shall be deemed as an infringement of the protection scope of the utility model.

Claims

1. A zipper tape, the tape being woven from warp and weft threads, the tape being sequentially formed with a sewing portion and an installation portion along the width direction, the zipper teeth being sewn to the back of the installation portion by sewing threads, characterized in that: The mounting portion is sequentially formed with a first mounting area and a second mounting area along the width direction, the first mounting area is adjacent to the sewing portion, the colors of the longitude and latitude lines of the first mounting area and the second mounting area are different, and the stitching of the chain teeth is threaded and sewn on the first mounting area.

2. A zipper tape according to claim 1, characterized in that: The colors of the longitude and latitude lines of the second installation area are the same as the colors of the coupling elements.

3. The zipper tape according to claim 1, characterized in that: The colors of the longitude and latitude lines of the stitching portion and the first installation area are the same.

4. The zipper tape according to claim 1, characterized in that: The stitching part adopts a plain weave, the diameter of the warp of the stitching part is greater than or equal to the diameter of the weft of the stitching part, and the density of the weft of the stitching part is greater than or equal to 37 / in.

5. The zipper tape according to claim 1, characterized in that: The mounting portion adopts a twill weave or a variable weave.

6. The zipper tape according to claim 1, characterized in that: The sewing portion is connected to the mounting portion at one side along the width direction of the cloth tape, and the other side of the sewing portion is also provided with a binding portion which is a hollow structure, and the binding portion adopts a single weft structure.

7. The zipper tape according to claim 6, characterized in that: A transition portion is formed between the stitching portion and the hemming portion, and the transition portion is made of any one of a square plain weave, a warp double plain weave, and a weft double plain weave.

8. A zipper comprising two rows of chain elements and two fabric tapes, characterized in that: The cloth tape is the cloth tape as claimed in any one of claims 1 to 7, two cloth tapes are arranged side by side, and the mounting parts of the cloth tapes are close to each other, and two rows of chain elements are respectively sewn to the back sides of the mounting parts of the two cloth tapes.

9. A zipper according to claim 8, characterized in that: When the zipper is in meshing state, the width of the gap between the two tapes is less than one tenth of the width of the gap when the two rows of chain elements are in meshing state.

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