CN101721019A - Injection molding zipper - Google Patents
Injection molding zipper Download PDFInfo
- Publication number
- CN101721019A CN101721019A CN200810043901A CN200810043901A CN101721019A CN 101721019 A CN101721019 A CN 101721019A CN 200810043901 A CN200810043901 A CN 200810043901A CN 200810043901 A CN200810043901 A CN 200810043901A CN 101721019 A CN101721019 A CN 101721019A
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- injection molding
- strap
- zipper
- chain tooth
- molding zipper
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Abstract
The invention aims to overcome the defect of insufficient binding force between the zipper teeth and the strap of the injection molding zipper in the prior art, and provides an injection molding zipper in a novel structure. In the injection molding zipper of the invention, the strap in the binding face region between the zipper teeth and the strap is provided with a small hole, at least one small hole or more than more small holes is/are arranged in the binding face region between the strap and each single zipper tooth, and the small holes are uniformly distributed in the arrangement direction of the zipper teeth. The small holes can ensure the injection molding material liquid, which is melted by the injection molding machine, to pass through in the production process of the injection molding zipper, so that the injection molding material liquid forms molding upright posts in the small holes after being cooled, and the molding upright posts and the zipper teeth can form an integral body. The injection molding zipper of the invention fundamentally changes the binding mode between the zipper teeth and the zipper strap of the injection molding zipper, which means to change the mode of the injection molding material wrapping the central line in the binding face region of the zipper strap, thereby obviously enhancing the binding force between the zipper teeth and the zipper strap of the injection molding zipper.
Description
Technical field
The present invention relates to a kind of slide fastener, particularly a kind of injection molding zipper also claims delrin zippers with pulllers.
Background technology
Injection molding zipper on the market is combined by strap and chain tooth, and strap is formed by center line, one group of common warps and staggered the weaving of continuous parallel; Center line also claims the band muscle of zipper cloth belt, is warp thicker in the strap, is formed by one group of yarn combination; Common warps mostly is low elastic polyester filament, does not wait more than 50 approximately.The core area that the continuous cloth band portion of the warp-wise of strap and chain tooth faying face is a strap comprised center line and part warp in this zone, and remaining warp is distributed in outside strap and the chain tooth faying face; The chain tooth is independent graininess at interval evenly, clamps center line position thicker in the strap.The production of injection molding zipper is with injected plastics material (mostly being polyformaldehyde) heating fusion by injection moulding machine, injected plastics material liquid extruding after will dissolving by the injection moulding machine screw rod, inject to the injection molding zipper mould, placed zipper cloth belt in the middle of the described injection molding zipper mould; Thereby forming chain tooth and double team like this behind the injected plastics material cooling curing lives the center line of zipper cloth belt and combines with zipper cloth belt and form the injection molding zipper chain.The adhesion of injection molding zipper chain tooth and strap depends primarily on the firm degree of cooling back injected plastics material double team zipper cloth belt center line.
A kind of new injection molding zipper appears in the market, its technological improvement to the adhesion of chain tooth and strap is the improvement to the processing mode of center line in the zipper cloth belt core area, change the braiding center line into by the twisting center line, Comparatively speaking latter's surface ratio is more uneven, utilize the core area surface of the zipper cloth belt that weaves center line processing relative also more coarse, for the injection molding zipper of producing, injected plastics material can increase the firm degree of double team of the center line of zipper cloth belt, thereby has improved the adhesion of chain tooth and strap.
But above method of coming the adhesion of elevator chain tooth and strap by the processing mode that changes center line, do not change and rely on injected plastics material double team strap center line to come the fundamental way of marriage chain tooth and strap and the basic structure of injection molding zipper, so can only limited lifting injection molding zipper chain tooth and the adhesion of strap, the adhesion of elevator chain tooth and strap fundamentally.In the market for injection molding zipper chain tooth and strap require the occasion of high-bond a lot (as: go hiking, camp, outdoor activities clothes such as mountain-climbing, the down jackets worn of cold district very), in this case, the adhesion that improves between injection molding zipper chain tooth and the strap is an insurmountable technical barrier all the time.
Summary of the invention
The objective of the invention is in order to overcome the not enough defective of adhesion between the injection molding zipper chain tooth and strap in the above-mentioned prior art, a kind of injection molding zipper of new structure is provided, this structure injection molding zipper changes the combination of injection molding zipper chain tooth and zipper cloth belt from essence, be the mode of center line in the injected plastics material double team zipper cloth belt core area, thereby can obviously promote the adhesion between injection molding zipper chain tooth and the zipper cloth belt.
The present invention realizes above-mentioned purpose by following technical proposals: comprise chain tooth, strap, chain tooth and strap combine, strap contacts with the chain tooth and is the faying face zone of strap by the part that the chain tooth covers, in the faying face zone of strap, aperture is set, have one or more aperture at least in the faying face zone of strap and the chain tooth that each is independent, the orientation along the chain tooth is provided with equally distributed row's aperture in the faying face zone of strap specifically.The plastic column is set on the chain tooth, and described plastic column runs through the strap aperture, and plastic column and chain tooth are fixed together.
Described aperture be shaped as circular or square or slotted opening shape or triangle.The injected plastics material liquid of injection moulding machine heating fusion passed through when the size of described aperture can make injection molding zipper produce, and made the injected plastics material liquid can be along the convection current of strap aperture, infiltration.Form the plastic column after the injected plastics material liquid cools in the middle of aperture, the chain tooth fusion on plastic column and strap two sides is integral.
The aperture of two or more rows also can be set along the orientation of chain tooth in the faying face zone of strap as a further improvement on the present invention.Described many row's apertures are staggered, and so just make in the faying face zone of the strap of injection molding zipper and the chain tooth that each is independent to have two or more apertures at least.
The braided material of described strap is all or part of to be polyester drawn yarns.
Positive progressive effect of the present invention is: adopt said structure, the injected plastics material liquid of injection moulding machine heating fusion was under the extruding force effect of injection screw when injection molding zipper was produced, aperture convection current, infiltration in injection molding zipper strap core area, the cooling back forms the plastic column in the middle of the strap aperture, the injected plastics material on plastic column and strap two sides fuses, and forms injection moulding chain tooth and is fixed on the strap.Owing to have a plastic column at least in the faying face zone of each independent injection molding zipper chain tooth and zipper cloth belt.The adhesion of injection molding zipper medium chain tooth and strap is the adhesion between chain tooth and the strap except injected plastics material to the double team masterpiece of zipper cloth belt center line, penetrate the plastic column in strap faying face zone and the adhesion of zipper cloth belt in addition, similar as concrete reinforcing steel role in the architectural engineering.The adhesion of plastic column and zipper cloth belt is far longer than the double team power of injected plastics material to the zipper cloth belt center line.Therefore utilize the injection molding zipper of this structure production, the chain tooth of its injection molding zipper and the adhesion between the zipper cloth belt can be greatly improved.
As a further improvement on the present invention, center line in the core area of strap in the injection molding zipper of the present invention is changed carefully, increase the interior warp quantity of core area of injection molding zipper strap, the equally distributed aperture of two row or multi-row can be set on the warp direction in the injection molding zipper strap core area, the two row or multi-row aperture is staggered, and the interval between the aperture guarantees to have two or more apertures at least in the faying face zone of zipper cloth belt and each injection molding zipper chain tooth; Injection molding zipper with this spline structure is produced has two plastic columns at least in each independent injection molding zipper chain tooth.Though the center line in this sample structure injection molding zipper in the strap core area changes thin back injected plastics material and the double team power of zipper cloth belt center line is had part reduces, two plastic columns in each chain tooth can obtain bigger lifting with the adhesion that guarantees each injection molding zipper chain tooth and zipper cloth belt completely.
Further improve as the present invention, to change the more smooth polyester drawn yarns in surface through wire material into by low elastic polyester filament in the strap core area in this structure injection molding zipper, can make the narrow meshed hole wall of zipper cloth Paint Gloss, injected plastics material liquid was more convenient along the mobile and infiltration of aperture in the strap when injection molding zipper was produced, more can effectively guarantee the formation of plastic column, thereby guarantee that the chain tooth of this structure injection molding zipper and the adhesion of zipper cloth belt are greatly improved.
In sum, the advantage of structure injection molding zipper of the present invention is: utilize the aperture that is arranged in the injection molding zipper in the strap core area when injection molding zipper is produced in zipper cloth belt formation plastic column, by this plastic column in conjunction with zipper cloth belt and chain tooth; Change the combination of present injection molding zipper chain tooth and zipper cloth belt for this reason from essence, promptly change the mode of injected plastics material double team zipper cloth belt center line, thereby can obviously promote the adhesion of injection molding zipper chain tooth and zipper cloth belt.
Description of drawings
Fig. 1 is the injection molding zipper partial schematic diagram of the embodiment of the invention 1.
Fig. 2 is the cutaway view of injection molding zipper shown in Figure 1 at the A-A at plastic column position.
Fig. 3 is the injection molding zipper partial schematic diagram of the embodiment of the invention 2.
Fig. 4 is the injection molding zipper partial schematic diagram of the embodiment of the invention 3.
Among the figure: chain tooth 1, parallel 2, warp 3, aperture 4, center line 5, strap 6, core area 8, plastic column 9.
The specific embodiment
Come the clearer the specific embodiment of the present invention that intactly illustrates below in conjunction with accompanying drawing.
As shown in Figure 1, injection molding zipper of the present invention comprises: chain tooth 1, strap 6, and described strap 6 is made up of center line 5, one group of warp 3 and successional parallel 2; The part that strap 6 contacts with chain tooth 1 and covered by chain tooth 1 is the faying face zone of strap 6, the core area 8 that the continuous cloth band portion of the warp-wise of faying face is a strap 6, the next door of center line 5 is provided with a row along the equally distributed aperture 4 of warp 3 directions in core area 8, and the interval of aperture 4 guarantees to have one or more aperture 4 at least in the faying face zone of strap 6 and each independent chain tooth 1.The injected plastics material liquid of injection moulding machine heating fusion is pushed, is injected in the injection molding zipper mould by the injection moulding machine screw rod in the injection molding zipper production process, injected plastics material liquid passed through when the size of aperture 4 can make injection molding zipper produce, and made the injected plastics material liquid can be along 4 convection current of strap aperture, infiltration.
As shown in Figure 2, form chain tooth 1 after the injected plastics material liquid cools, and form plastic column 9 simultaneously in the middle of aperture 4, plastic column 9 promptly is fused into one with chain tooth 1 with the injected plastics material on strap 6 two sides, forms chain tooth 1 and is fixed on the strap 6.The chain tooth 1 of injection molding zipper of the present invention had more increased the combination of plastic column 9 with strap 6 with the combination of strap 6 from originally by injected plastics material the double team mode of zipper cloth belt center line 5 being changed on this double team mode, owing to have a plastic column 9 at least in the faying face zone of each independent chain tooth 1 and strap 6.The chain tooth 1 of this sample structure injection molding zipper is greatly improved with the adhesion of strap 6.
As shown in Figure 3, center line 5 in the core area 8 of strap 6 in the injection molding zipper of the present invention is changed carefully, warp 3 quantity in the core area 8 of increase injection molding zipper strap 6, the equally distributed aperture 4 of staggered two row or multi-row is set on warp 3 directions in the core area 8 of strap 6, and the interval of aperture 4 guarantees to have two or more apertures 4 at least in the faying face zone of each chain tooth 1 and strap 6; Have two plastic columns 9 at least in each chain tooth 1 of injection molding zipper and the strap 6 faying face zones after producing like this; The chain tooth 1 of injection molding zipper can obtain bigger lifting with the adhesion of strap 6.The NM concrete structure of other of present embodiment injection molding zipper is identical with the embodiment of the invention 1.
As shown in Figure 4, center line 5 is not set in the strap 6 in the injection molding zipper of the present invention, along a row or the equally distributed aperture 4 of staggered two row or multi-row is set on warp 3 directions, the interval of aperture 4 guarantees to have one or more aperture 4 at least in the faying face zone of strap 6 and each chain tooth 1 at the faying face of strap 6 and chain tooth 1; Have one or more plastic columns 9 at least in each chain tooth 1 of injection molding zipper and the strap 6 faying face zones after producing like this.The NM concrete structure of other of present embodiment injection molding zipper is identical with the embodiment of the invention 1.
Further improve as of the present invention, warp 3 in the strap core area in this structure injection molding zipper 8 is not adopted traditional low elastic polyester filament, and the more smooth polyester drawn yarns in employing surface, can make the hole wall of zipper cloth belt aperture 4 Paint Gloss, mobile and the infiltration of injected plastics material liquid was more convenient when injection molding zipper was produced, more can effectively guarantee the formation of plastic column 9, thereby guarantee that the chain tooth 1 of injection molding zipper and the adhesion of strap 6 are greatly improved.The NM concrete structure of other of present embodiment injection molding zipper is identical with the embodiment of the invention 1.
Injection molding zipper of the present invention is not limited to above-mentioned embodiment, and aperture 4 can be circle, strip, arbitrary shape such as square.No matter which kind of the shape of the aperture 4 in the injection molding zipper in the core area 8 of strap 6 or quantity and arrangement mode have change, no matter also the formation of aperture 4 is which kind of mode utilization is; Everyly in injection molding zipper, on the strap 6 with in the chain tooth 1 faying face zone aperture 4 is set; and utilize this aperture 4 when injection molding zipper is produced, to form plastic column 9 to combine with strap 6; from coming the injection molding zipper of elevator chain tooth 1 and strap 6 adhesions with the combination of strap 6, all be within the protection domain of the present invention by changing chain tooth 1.In addition, change injected plastics material of the present invention into other injected plastics material by the polyformaldehyde of present routine, also should think within protection domain of the present invention.
Though more than described the specific embodiment of the present invention; but it will be understood by those of skill in the art that these only illustrate, under the prerequisite that does not deviate from principle of the present invention and essence; can make numerous variations or modification to these embodiments, all fall within the scope of protection of the present invention.
Claims (9)
1. injection molding zipper, comprise chain tooth (1), strap (6), chain tooth (1) combines with strap (6), the part that strap (6) contacts with chain tooth (1) and covered by chain tooth (1) is the faying face zone of strap (6), it is characterized in that, aperture (4) is set on the faying face zone of strap (6), has one or more aperture (4) at least in the faying face zone of strap (6) and each independent chain tooth (1), plastic column (9) is set on chain tooth (1), described plastic column (9) runs through aperture (4), and plastic column (9) is fused into one with chain tooth (1).
2. injection molding zipper as claimed in claim 1 is characterized in that, the orientation along chain tooth (1) in the faying face zone of strap (6) and chain tooth (1) is provided with equally distributed row's aperture (4).
3. injection molding zipper as claimed in claim 1 is characterized in that, described aperture (4) be shaped as circular or square or slotted opening shape or triangle.
4. injection molding zipper as claimed in claim 1 is characterized in that, the injected plastics material liquid of injection moulding machine heating fusion passed through when the size of described aperture (4) can make injection molding zipper produce, and makes the injected plastics material liquid can be along aperture (4) convection current or infiltration.
5. injection molding zipper as claimed in claim 4 is characterized in that, forms plastic column (9) after the described injected plastics material liquid cools in the middle of aperture (4), and plastic column (9) is fused into one with the chain tooth (1) on strap (6) two sides.
6. injection molding zipper as claimed in claim 1 is characterized in that, the orientation along chain tooth (1) in the faying face zone of strap (6) and chain tooth (1) is provided with many row's apertures (4).
7. injection molding zipper as claimed in claim 6 is characterized in that, described many row's apertures (4) are staggered.
8. injection molding zipper as claimed in claim 6 is characterized in that, has two or more apertures (4) at least in the faying face zone of the strap of described injection molding zipper (6) and each independent chain tooth (1).
9. injection molding zipper as claimed in claim 1 is characterized in that, the braided material of described strap (6) is all or part of to be polyester drawn yarns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810043901A CN101721019A (en) | 2008-10-31 | 2008-10-31 | Injection molding zipper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810043901A CN101721019A (en) | 2008-10-31 | 2008-10-31 | Injection molding zipper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101721019A true CN101721019A (en) | 2010-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810043901A Pending CN101721019A (en) | 2008-10-31 | 2008-10-31 | Injection molding zipper |
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| Country | Link |
|---|---|
| CN (1) | CN101721019A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103815624A (en) * | 2014-02-24 | 2014-05-28 | 温州和合拉链有限公司 | Sealed waterproof zipper |
| CN103844452A (en) * | 2014-03-26 | 2014-06-11 | 上海泽普拉链技术服务有限公司 | Injection molding zipper woven belt |
| CN103859708A (en) * | 2012-12-10 | 2014-06-18 | 浙江伟星实业发展股份有限公司 | Injection molding zipper and production technology thereof |
| CN103948221A (en) * | 2014-04-28 | 2014-07-30 | 深圳市华圣达拉链有限公司 | Zipper |
| CN104223607A (en) * | 2013-06-18 | 2014-12-24 | 周朝木 | Clip type fastener zipper with anti-seepage structure |
| CN105054500A (en) * | 2015-09-11 | 2015-11-18 | 深圳市华圣达拉链有限公司 | Hook face tooth zipper |
| CN106560110A (en) * | 2016-04-11 | 2017-04-12 | 福建浔兴拉链科技股份有限公司 | Manufacturing method for plastic-steel zipper, and applied zipper |
| CN105747399B (en) * | 2016-04-25 | 2018-06-01 | 上海泽普拉链技术服务有限公司 | A kind of injection molding zipper strap |
| CN109198810A (en) * | 2018-10-30 | 2019-01-15 | 福建浔兴拉链科技股份有限公司 | A kind of injection molding zipper strap and its manufacturing method |
| CN109380821A (en) * | 2017-08-07 | 2019-02-26 | 冠宇拉链股份有限公司 | Waterproof zipper cloth and waterproof zipper thereof |
-
2008
- 2008-10-31 CN CN200810043901A patent/CN101721019A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103859708B (en) * | 2012-12-10 | 2016-02-03 | 浙江伟星实业发展股份有限公司 | A kind of injection molding zipper and production technology thereof |
| CN103859708A (en) * | 2012-12-10 | 2014-06-18 | 浙江伟星实业发展股份有限公司 | Injection molding zipper and production technology thereof |
| CN104223607A (en) * | 2013-06-18 | 2014-12-24 | 周朝木 | Clip type fastener zipper with anti-seepage structure |
| CN104223607B (en) * | 2013-06-18 | 2018-06-08 | 周朝木 | Clip type fastener zipper with anti-seepage structure |
| CN103815624A (en) * | 2014-02-24 | 2014-05-28 | 温州和合拉链有限公司 | Sealed waterproof zipper |
| CN103844452A (en) * | 2014-03-26 | 2014-06-11 | 上海泽普拉链技术服务有限公司 | Injection molding zipper woven belt |
| CN103844452B (en) * | 2014-03-26 | 2015-12-09 | 上海泽普拉链技术服务有限公司 | A kind of injection molding zipper strap |
| CN103948221A (en) * | 2014-04-28 | 2014-07-30 | 深圳市华圣达拉链有限公司 | Zipper |
| CN103948221B (en) * | 2014-04-28 | 2018-04-27 | 深圳市华圣达拉链有限公司 | A kind of slide fastener |
| CN105054500A (en) * | 2015-09-11 | 2015-11-18 | 深圳市华圣达拉链有限公司 | Hook face tooth zipper |
| CN106560110A (en) * | 2016-04-11 | 2017-04-12 | 福建浔兴拉链科技股份有限公司 | Manufacturing method for plastic-steel zipper, and applied zipper |
| CN105747399B (en) * | 2016-04-25 | 2018-06-01 | 上海泽普拉链技术服务有限公司 | A kind of injection molding zipper strap |
| CN109380821A (en) * | 2017-08-07 | 2019-02-26 | 冠宇拉链股份有限公司 | Waterproof zipper cloth and waterproof zipper thereof |
| CN109198810A (en) * | 2018-10-30 | 2019-01-15 | 福建浔兴拉链科技股份有限公司 | A kind of injection molding zipper strap and its manufacturing method |
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Open date: 20100609 |