CN107788622B - Anti-riot and waterproof double-layer chain belt with large teeth and small teeth and processing method thereof - Google Patents
Anti-riot and waterproof double-layer chain belt with large teeth and small teeth and processing method thereof Download PDFInfo
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- CN107788622B CN107788622B CN201711238222.7A CN201711238222A CN107788622B CN 107788622 B CN107788622 B CN 107788622B CN 201711238222 A CN201711238222 A CN 201711238222A CN 107788622 B CN107788622 B CN 107788622B
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- waterproof
- chain belt
- chain
- racks
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- 238000003672 processing method Methods 0.000 title claims abstract description 9
- 239000004744 fabric Substances 0.000 claims abstract description 89
- 239000000463 material Substances 0.000 claims abstract description 62
- 229920001971 elastomer Polymers 0.000 claims abstract description 61
- 239000000806 elastomer Substances 0.000 claims abstract description 61
- 239000012943 hotmelt Substances 0.000 claims abstract description 39
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 8
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000009958 sewing Methods 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 239000013536 elastomeric material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/32—Means for making slide fasteners gas or watertight
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/34—Stringer tapes; Flaps secured to stringers for covering the interlocking members
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/42—Making by processes not fully provided for in one other class, e.g. B21D53/50, B21F45/18, B22D17/16, B29D5/00
Landscapes
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
The invention discloses an anti-riot waterproof double-layer chain belt with large teeth and small teeth and a processing method thereof. It comprises a large chain belt and a small chain belt; the waterproof large chain belt is characterized in that hot melt elastomer materials are coated on left and right large cloth belts sewn on the back surfaces of large left and right chain racks in a melting way, the hot melt elastomer materials penetrate into gaps of the large left and right chain racks except for large tooth heads, grooves and tenons which are mutually embedded in the left and right are respectively formed on the opposite side end surfaces of the left and right large cloth belts by the hot melt elastomer materials, and a waterproof large chain belt is formed; the large left and right racks of the waterproof large chain belt are upward, the small left and right racks of the small chain belt are downward, the waterproof large chain belt and the small chain belt are overlapped up and down, the tooth seam of the waterproof large chain belt and the tooth seam of the small chain belt are aligned left and right, and the left and right large cloth belts, the left and right small cloth belts are respectively connected together at the two outer side positions of the large left and right chain racks. It has the functions of waterproof and high safety.
Description
Technical Field
The invention relates to a zipper, in particular to an anti-riot and waterproof double-layer chain belt with large teeth and small teeth and a processing method thereof.
Background
There are many zippers for bags, tents, etc. that need to have a waterproof function. The traditional waterproof zipper is characterized in that a waterproof film is thermally adhered to a cloth belt on the back surface of a chain belt, then a pull head is designed to be matched in an anti-penetrating mode, the cloth belt adhered with the waterproof film is positioned on the upper surface of the chain belt, and zipper teeth are arranged below the cloth belt, such as a water-splashing-preventing zipper of patent 106211782 in taiwan area of China. The waterproof zipper with the structure is used at the turning position, as the upper surface of the zipper is wrapped by cloth belts, and the lower chain teeth are mutually extruded, the original state that the left cloth belt and the right cloth belt are folded is changed into the state that the left side and the right side of the bending position are opened, and the gap of the opening appears at the joint of the left cloth belt and the right cloth belt as shown in fig. 1 and fig. 2, rainwater can permeate to the lower surface through the gap and the chain teeth, so that the waterproof zipper loses the effective waterproof function at the turning position. Although the open gap is not very large, the leaked water is limited, but the open gap cannot be always called a real waterproof zipper, and the problem is always plagued by a waterproof zipper manufacturer because the zipper which really needs to be waterproof cannot be met, and a real waterproof zipper is really needed for many users and application occasions. And waterproof zippers used on bags also need to have anti-riot (zipper penetration prevention) function.
Disclosure of Invention
The invention aims to provide an anti-riot waterproof double-layer chain belt with large teeth and small teeth, which is convenient to manufacture, good in waterproof and antitheft performance, long in service life and convenient to manufacture, and a processing method thereof.
A kind of large tooth and small tooth defend the riot and waterproof double-deck chain belt, it includes the large left, right chain rack of meshing and large left, right big cloth belt that the large left, right chain rack matches are sewed together separately, make the large-scale chain belt; the meshed small left and right chain racks and the left and right small cloth belts matched with the racks are respectively sewn together to form a small chain belt; the waterproof large chain belt is characterized in that hot melt elastomer materials are coated on left and right large cloth belts sewn on the back surfaces of large left and right chain racks in a melting way, the hot melt elastomer materials penetrate into gaps of the large left and right chain racks except for large tooth heads, grooves and tenons which are mutually embedded in the left and right are respectively formed on the opposite side end surfaces of the left and right large cloth belts by the hot melt elastomer materials, and a waterproof large chain belt is formed; the large left and right racks of the waterproof large chain belt are upwards, the small left and right racks of the small chain belt are downwards, the upper and lower racks are overlapped together, the tooth seam of the waterproof large chain belt and the tooth seam of the small chain belt are aligned left and right, the left and right large cloth belts and the left and right small cloth belts are respectively sewed together by single needle or multiple needles at the two outer sides of the large left and right chain racks, or the positions at the two outer sides of the large left and right chain racks are heated until the hot melt elastomer materials are melted, and the left and right large cloth belts and the left and right small cloth belts are respectively bonded together by the hot melt elastomer materials.
The groove and tenon waterproof sealing structure refers to a V-shaped or U-shaped groove and a tenon structure matched with the V-shaped or U-shaped groove.
And hot melt elastomer materials are coated on the outer surfaces of the small left and right chain racks and the left and right small cloth belts except for the small tooth head parts of the small chain belt in a melting way.
And thermally attaching a narrow waterproof adhesive strip to the left and right large cloth belts of the two rows of sewing needle punching holes of the left and right large cloth belts and the left and right small cloth belts which are sewn together to cover the needle punching holes.
The narrow waterproof adhesive strip is a waterproof film, a reflective film or a trademark pattern film.
The anti-riot and waterproof double-layer chain belt processing method for the large-sized teeth and the small-sized teeth is characterized by sequentially comprising the following steps of:
(1) The meshed large left and right chain racks are respectively sewn together with left and right large cloth belts matched with the large left and right chain racks to manufacture a large chain belt;
(2) Dividing the left side and the right side of the large chain belt into a left large chain belt and a right large chain belt, respectively arranging large left chain racks and large right chain racks of the left large chain belt and the right large chain belt in a left guide groove mold and a right guide groove mold, wherein a V-shaped or U-shaped boss is arranged in one guide groove mold in the direction of a tooth head which is in near engagement, and a groove matched with the V-shaped or U-shaped boss is arranged in the other guide groove mold in the direction of the tooth head which is in near engagement; the method comprises the steps of respectively covering strip-shaped hot melt elastomer materials on the surfaces of left and right large chain cloth belts, respectively melting and coating the hot melt elastomer materials on the left and right large chain cloth belts by rolling the hot melt elastomer materials under the condition of heating the hot melt elastomer materials to form a waterproof layer, penetrating into gaps of teeth of the large left and right large chain racks except for large tooth heads, respectively forming V-shaped or U-shaped grooves on the opposite side end surfaces of the left and right large chain belts by the hot melt elastomer materials, and tenons matched with the V-shaped or U-shaped tenons, taking out the left and right large chain belts from left and right guide groove dies after cooling, meshing the left and right large chain belts, and tightly embedding the tenons and the grooves with each other to form a sealed waterproof large chain belt;
(3) The meshed small left and right chain racks and the left and right small cloth belts matched with the racks are respectively sewn together to form a small chain belt;
(4) The large left and right racks of the waterproof large chain belt are upwards, the small left and right racks of the small chain belt are downwards, the waterproof large chain belt and the small chain belt are vertically overlapped together, the tooth seam of the waterproof large chain belt and the tooth seam of the small chain belt are aligned left and right, the left and right large cloth belts and the left and right small cloth belts are respectively sewn together at the two outer sides of the large left and right chain racks by single needle or multiple needles, or the hot melt elastomer material is heated at the two outer sides of the large left and right chain racks to melt the left and right large cloth belts and the left and right small cloth belts respectively, and the left and right large cloth belts are respectively bonded together by the hot melt elastomer material.
After the step (4) is finished, hot melt elastomer materials are coated on the outer surfaces of the small left and right racks and the small cloth belt except for the small tooth head parts of the small chain belt in a melting way, and then the hot melt elastomer materials above the joints of the small left and right racks are cut off by a blade, so that an anti-riot double-waterproof double-layer chain belt with the waterproof function of the small chain belt is formed.
After the step (4) is completed, the upper surfaces of the left and right large cloth belts of the two rows of sewing needle punching hole parts where the left and right large cloth belts and the left and right small cloth belts are sewn together are thermally adhered by a narrow waterproof adhesive strip to cover the needle punching holes.
The narrow waterproof adhesive strip is a waterproof film, a reflective film or a trademark pattern film.
The hot melt elastomer material is TPU elastomer material.
According to the anti-riot waterproof double-layer chain belt with the large teeth and the small teeth and the processing method thereof, when the anti-riot waterproof double-layer chain belt is used, the waterproof double-layer chain belt is arranged on the upper surface, the small chain belt is arranged on the lower surface, the matched zipper head structure is adopted, the upper surface is in a forward penetrating mode, the lower surface is in an inverse penetrating mode, when the anti-riot waterproof double-layer chain belt is used at a turning position, large left and right zipper teeth strips on the upper layer are mutually extruded inwards, the joint parts of the groove and tenon waterproof sealing structures of the left and right large cloth belts are mutually extruded inwards, the outside zipper teeth strips generate a compression force at the joint parts of the left and right edges towards the middle of the inside left and right cloth belts, the groove and tenon waterproof sealing structures are elastic, the joint between the left and right large cloth belts is more compact, water leakage is not easy, in addition, after the hot melt elastomer materials penetrate into gaps of the large left and right zipper teeth racks, the joint parts of the left and right zipper teeth also form elastic waterproof barriers, and the waterproof effect is better, and the waterproof effect is realized. The small chain belt below the waterproof large chain belt can be made to have a waterproof effect according to the requirement, so that the whole chain belt has double waterproof effects, and the waterproof effect is tighter; the lower small chain belt and the upper and lower chain teeth of the upper waterproof large chain belt are overlapped, so that the transverse tensile strength of the left and right chain teeth of the lower small chain rack is used for supporting the engagement of the upper large chain rack when the left and right chain teeth of the lower small chain rack are engaged together, and when an external force spike pierces the zipper in a vertical direction or an inclined direction, the external force spike can be effectively resisted, thereby playing a role in safety protection.
The invention has the advantages of material saving, simple processing and high efficiency, and can be respectively sized into equal length and then processed into the zipper with the opening or the closing size. Compared with the common waterproof zipper, the waterproof zipper has the waterproof effect.
Drawings
FIG. 1 is a front view of a conventional waterproof zipper at a corner;
FIG. 2 is a view in the K-direction of FIG. 1;
FIG. 3 is a front view of a large chain belt;
FIG. 4 is a front view of a small chain belt;
FIG. 5 is a front view of a left large chain belt with grooves;
FIG. 6 is a perspective view of a left large chain belt with grooves;
FIG. 7 is a front view of a right large chain belt with tenons;
fig. 8 is a front view of a waterproof large chain belt;
fig. 9 is a state diagram of the waterproof large-sized chain belt and the small-sized chain belt when the upper and lower overlapping are sewn;
FIG. 10 is a front view of an anti-riot and waterproof double layer chain belt of large teeth and small teeth;
FIG. 11 is a front view of the mini chain belt of FIG. 10 with TPU elastomeric material melt coated on the surface thereof;
FIG. 12 is a state diagram of the left large chain belt when the TPU elastomeric material is ready for melt coating in the left slot die;
FIG. 13 is a state diagram of the right large strand when the TPU elastomeric material is ready for melt coating in the right slot die;
FIG. 14 is a state diagram of the left large chain belt as it is melt coated with TPU elastomeric material by roller rolling in a left slot die;
FIG. 15 is a state diagram of the right large chain belt as it is melt coated with TPU elastomeric material by roller rolling in the right slot die;
fig. 16 is a perspective view of the TPU elastomer material above the small left and right sprocket strip joints cut away with a blade.
In the figure: 1. large left and right chain racks; 2. left and right large cloth belts; 3. a large chain belt; 4. a small left and right chain rack; 5. left and right small cloth belts; 6. a small chain belt; 7. a TPU elastomeric material; 8. a large tooth head; 9. sprocket gaps; 10. side end surfaces; 11. a groove and tenon waterproof sealing structure; 12. a groove; 13. a tenon; 14. waterproof large chain belts; 15. waterproof sticking strips; 16. the left large chain belt; 17. the right large chain belt; 18. a large left rack; 19. a large right chain rack; 20. a left guide groove die; 21. a right guide groove die; 22. a boss; 23. a groove; 24. a roll shaft; 25. a blade.
Detailed Description
The invention is further described below with reference to the drawings and specific embodiments.
The large chain belt 3 is manufactured by respectively sewing a large left chain rack 1 and a large right chain rack 1 which are meshed with a large left cloth belt 2 and a large right cloth belt 2 which are matched with the large left chain rack 1 and the large right chain rack 1. The meshed small left and right zipper strips 4 and the left and right small cloth strips 5 matched with the small left and right zipper strips 4 are respectively sewn together to form a small chain belt 6 as shown in fig. 4; the TPU elastomer material 7 is coated on the left and right large cloth belts 2 sewed on the back surfaces of the large left and right chain racks 1 in a melting way, and the TPU elastomer material 7 is penetrated into the sprocket gaps 9 of the large left and right chain racks 1 except for the large tooth heads 8, the opposite side end surfaces 10 of the left and right large cloth belts 2 are respectively formed with grooves and tenon waterproof sealing structures 11 which are mutually embedded left and right by the TPU elastomer material 7, the groove and tenon waterproof sealing structures 11 are V-shaped or U-shaped grooves 12 as shown in fig. 5 and 6, and tenon 13 structures matched with the V-shaped or U-shaped grooves 12 are as shown in fig. 7, and waterproof large chain belts 14 are formed as shown in fig. 8. The large left and right racks 1 of the waterproof large chain belt 14 are upward, the small left and right racks 4 of the small chain belt 3 are downward, the seam of the waterproof large chain belt 14 and the seam of the small chain belt 3 are aligned left and right, the left and right large cloth belts 2 and the left and right small cloth belts 5 are respectively sewn with single needles or multiple needles on the two outer sides of the large left and right racks 1 as shown in fig. 9, or the TPU elastomer material 7 which is melt-coated on the left and right large cloth belts 2 is utilized to heat the two outer sides of the large left and right racks 1, and the TPU elastomer material 7 bonds the left and right large cloth belts 2 and the left and right small cloth belts 5 together. In order to prevent water seepage in the sewing needle puncture holes, the upper surfaces of the left and right large cloth belts 2 of the two rows of sewing needle puncture hole parts where the left and right large cloth belts 2 and the left and right small cloth belts 5 are sewn together are thermally adhered by a narrow waterproof adhesive strip 15 to cover the needle puncture holes. The narrow waterproof adhesive strip 15 is a waterproof film, a reflective film or a trademark pattern film. The anti-riot and waterproof double-layer chain belt made of large teeth and small teeth is shown in fig. 10. To further improve the waterproof performance, TPU elastomer material 7 may be melt-coated on the outer surfaces of the small left and right racks 4 and the left and right tapes 5 of the small chain belt 6 except for the small tooth head portions as shown in fig. 11.
The processing method of the anti-riot and waterproof double-layer chain belt of the large-sized teeth and the small-sized teeth sequentially comprises the following steps:
(1) The meshed large left and right chain racks 1 and left and right large cloth belts 2 matched with the large left and right chain racks 1 are respectively sewn together to form a large chain belt 3 as shown in figure 3;
(2) Dividing the left side and the right side of the large chain belt 3 into a left large chain belt 16 and a right large chain belt 17, respectively arranging a large left rack 18 and a large right rack 19 on the left large chain belt 16 and the right large chain belt 17 in a left guide groove die 20 and a right guide groove die 21, arranging V-shaped or U-shaped bosses 22 in the direction of the tooth heads which are meshed in the left guide groove die 20, and arranging grooves 23 matched with the V-shaped or U-shaped bosses 22 in the direction of the tooth heads which are meshed in the right guide groove die 21; the surfaces of the left large-sized and right large-sized fastener tapes are respectively covered with strip-shaped TPU elastomer materials 7 as shown in fig. 12 and 13, hot air is used for rolling the strip-shaped hot TPU elastomer materials 7 by a roll shaft 24 under the condition that the TPU elastomer materials 7 are heated to 80-130 ℃ as shown in fig. 14 and 15, so that the TPU elastomer materials 7 are respectively melt-coated on the left large-sized and right large-sized fastener tapes 2 to form waterproof layers and infiltrate into the sprocket gaps 9 of the large-sized left and right fastener racks 1 except for the large-sized tooth heads 8, V-shaped or U-shaped grooves 12 which are mutually embedded in the left and right large-sized fastener tapes 2 and tenons 13 matched with the V-shaped or U-shaped grooves 12 are respectively formed by the TPU elastomer materials 7 at the opposite side end surfaces 10 of the left and right large-sized fastener tapes 2 to form groove and tenon waterproof sealing structures 11, and the left large-sized 16 melt-coated with the TPU elastomer materials 7 are respectively shown in fig. 5 and 6 and the right large-sized fastener tapes 17 melt-coated with the TPU elastomer materials 7 are engaged with each other as shown in fig. 7 to form waterproof large-sized fastener tapes 14;
(3) The meshed small left and right zipper strips 4 and the left and right small cloth strips 5 matched with the zipper strips are respectively sewn together to form a small chain belt 6 as shown in fig. 4;
(4) The large left and right racks 1 of the waterproof large chain belt 14 are upward, the small left and right racks 4 of the small chain belt 6 are downward, the waterproof large chain belt 14 and the small chain belt 6 are vertically overlapped, the seam of the waterproof large chain belt 14 and the seam of the small chain belt are aligned left and right, the left and right large cloth belts 2 and the left and right small cloth belts 5 are respectively sewn together by single needle or multiple needles on the two outer sides of the large left and right racks 1 as shown in fig. 9, and the TPU elastomer material 7 which is melt-coated on the left and right large cloth belts 2 can be heated at the two outer side positions of the large left and right racks 1 until the PU elastomer material 7 is melted, and the left and right large cloth belts 2 and the left and right small cloth belts 5 are respectively bonded together by the TPU elastomer material 7.
After the step (4) is completed, TPU elastomer material 7 may be melt-coated on the outer surfaces of the small left and right sprocket strips 4 and the left and right tapes 5 except for the small tooth head portions of the small chain belt 6, and the TPU elastomer material 7 above the joint of the small left and right sprocket strips 4 may be cut by a blade 25 as shown in fig. 16, so that an anti-riot and double waterproof double-layer chain belt with waterproof function of the small chain belt 3 is formed as shown in fig. 11.
After the step (4) is completed, the upper surfaces of the left and right large cloth belts 2 of the two rows of sewing needle hole parts where the left and right large cloth belts 2 and the left and right small cloth belts 5 are sewn together can be covered by a narrow waterproof adhesive strip 15 for hot adhesion and needle punching Kong Rutu. The narrow waterproof adhesive strip 15 is a waterproof film, a reflective film or a trademark pattern film, so as to prevent water seepage in the needling holes.
The large left and right racks 1 described in the above embodiments are No. 10 racks, the small left and right racks 4 are No. 3 racks, a combination of No. 10 racks and No. 2 racks, and the like, which are not exemplified herein.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, but rather the equivalent changes or modifications within the scope of the present invention shall fall within the scope of the patent protection covered by the present invention.
Claims (11)
1. The anti-riot waterproof double-layer chain belt of the large teeth and the small teeth comprises a large left chain rack and a large right chain rack which are meshed with each other, and a left cloth belt and a right cloth belt which are matched with the large left chain rack and the large right chain rack are respectively sewn together to manufacture the large chain belt; the meshed small left and right chain racks and the left and right small cloth belts matched with the racks are respectively sewn together to form a small chain belt; the waterproof large chain belt is characterized in that hot melt elastomer materials are coated on left and right large cloth belts sewn on the back surfaces of large left and right chain racks in a melting way, the hot melt elastomer materials penetrate into gaps of the large left and right chain racks except for large tooth heads, grooves and tenons which are mutually embedded in the left and right are respectively formed on the opposite side end surfaces of the left and right large cloth belts by the hot melt elastomer materials, and a waterproof large chain belt is formed; the large left and right racks of the waterproof large chain belt are upwards, the small left and right racks of the small chain belt are downwards, the upper and lower racks are overlapped together, the tooth seam of the waterproof large chain belt and the tooth seam of the small chain belt are aligned left and right, the left and right large cloth belts and the left and right small cloth belts are respectively sewed together by single needle or multiple needles at the two outer sides of the large left and right chain racks, or the positions at the two outer sides of the large left and right chain racks are heated until the hot melt elastomer materials are melted, and the left and right large cloth belts and the left and right small cloth belts are respectively bonded together by the hot melt elastomer materials.
2. The double-layer anti-riot and waterproof chain belt with large teeth and small teeth according to claim 1, wherein the groove and tenon waterproof sealing structure is a V-shaped or U-shaped groove and a tenon structure matched with the V-shaped or U-shaped groove.
3. The double-layer anti-riot and waterproof fastener tape of large and small teeth according to claim 1, wherein hot melt elastomer material is melt coated on outer surfaces of the small left and right fastener racks and the left and right tapes except for the small tooth head portions of the small fastener tape.
4. The double-layer anti-riot and waterproof chain belt with large teeth and small teeth according to claim 1, wherein the needle hole is covered by narrow waterproof adhesive strips on the left and right large cloth belts of two rows of sewing needle hole parts where the left and right large cloth belts and the left and right small cloth belts are sewn together.
5. The double-layer anti-riot and waterproof chain belt with large teeth and small teeth according to claim 4, wherein the narrow waterproof strip is waterproof film, reflective film or trademark pattern film.
6. The double-layer anti-riot and waterproof chain belt with large teeth and small teeth according to claim 1, wherein the hot melt elastomer material is TPU elastomer material.
7. The anti-riot and waterproof double-layer chain belt processing method for the large-sized teeth and the small-sized teeth is characterized by sequentially comprising the following steps of:
(1) The meshed large left and right chain racks are respectively sewn together with left and right large cloth belts matched with the large left and right chain racks to manufacture a large chain belt;
(2) Dividing the left side and the right side of the large chain belt into a left large chain belt and a right large chain belt, respectively arranging large left chain racks and large right chain racks of the left large chain belt and the right large chain belt in a left guide groove mold and a right guide groove mold, wherein a V-shaped or U-shaped boss is arranged in one guide groove mold in the direction of a tooth head which is in near engagement, and a groove matched with the V-shaped or U-shaped boss is arranged in the other guide groove mold in the direction of the tooth head which is in near engagement; the method comprises the steps of respectively covering strip-shaped hot melt elastomer materials on the surfaces of left and right large chain cloth belts, respectively melting and coating the hot melt elastomer materials on the left and right large chain cloth belts by rolling the hot melt elastomer materials under the condition of heating the hot melt elastomer materials to form a waterproof layer, penetrating into gaps of teeth of the large left and right large chain racks except for large tooth heads, respectively forming V-shaped or U-shaped grooves on the opposite side end surfaces of the left and right large chain belts by the hot melt elastomer materials, and tenons matched with the V-shaped or U-shaped tenons, taking out the left and right large chain belts from left and right guide groove dies after cooling, meshing the left and right large chain belts, and tightly embedding the tenons and the grooves with each other to form a sealed waterproof large chain belt;
(3) The meshed small left and right chain racks and the left and right small cloth belts matched with the racks are respectively sewn together to form a small chain belt;
(4) The large left and right racks of the waterproof large chain belt are upwards, the small left and right racks of the small chain belt are downwards, the waterproof large chain belt and the small chain belt are vertically overlapped together, the tooth seam of the waterproof large chain belt and the tooth seam of the small chain belt are aligned left and right, the left and right large cloth belts and the left and right small cloth belts are respectively sewn together at the two outer sides of the large left and right chain racks by single needle or multiple needles, or the hot melt elastomer materials which are already melt coated on the left and right large cloth belts are utilized, the hot melt elastomer materials are heated at the two outer sides of the large left and right chain racks until the hot melt elastomer materials are melted, and the left and right large cloth belts and the left and right small cloth belts are respectively bonded together by the hot melt elastomer materials.
8. The method for producing a double-layer fastener tape for preventing riot and water of a large tooth and a small tooth according to claim 7, wherein after the step (4) is completed, hot melt elastomer materials are melt coated on the outer surfaces of the small left and right racks and the left and right tapes except for the small tooth head part of the small fastener tape, and the hot melt elastomer materials above the small left and right racks are split by a blade to form the double-layer fastener tape for preventing riot and double water of the small fastener tape with water-proof function.
9. The method for producing a double-layered, explosion-proof and waterproof fastener tape of large and small teeth according to claim 7, wherein after step (4) is completed, the needling holes are covered by hot-attaching a narrow waterproof tape on the left and right large cloth strips of the two rows of needled hole parts where the left and right large cloth strips and the left and right small cloth strips are sewn together.
10. The method for manufacturing a double-layer chain belt for preventing riot and water of large-sized teeth and small-sized teeth according to claim 9, wherein the narrow waterproof adhesive strip is a waterproof film, a reflective film or a trademark pattern film.
11. The method for manufacturing a double-layer fastener belt for preventing riot and water of large teeth and small teeth according to claim 7, wherein said hot melt elastomer material is TPU elastomer material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711238222.7A CN107788622B (en) | 2017-11-30 | 2017-11-30 | Anti-riot and waterproof double-layer chain belt with large teeth and small teeth and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711238222.7A CN107788622B (en) | 2017-11-30 | 2017-11-30 | Anti-riot and waterproof double-layer chain belt with large teeth and small teeth and processing method thereof |
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| CN107788622B true CN107788622B (en) | 2024-02-13 |
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| CN109330117A (en) * | 2018-09-28 | 2019-02-15 | 东莞市鼎富拉链科技有限公司 | A kind of waterproof slide fastener |
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| CN107788622A (en) | 2018-03-13 |
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