CN206472953U - The stopper section of tail slide fastener is closed for plastic-steel and plastic-steel closes tail slide fastener - Google Patents
The stopper section of tail slide fastener is closed for plastic-steel and plastic-steel closes tail slide fastener Download PDFInfo
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- CN206472953U CN206472953U CN201720133238.0U CN201720133238U CN206472953U CN 206472953 U CN206472953 U CN 206472953U CN 201720133238 U CN201720133238 U CN 201720133238U CN 206472953 U CN206472953 U CN 206472953U
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- tooth form
- form backstop
- slide fastener
- pull head
- strap
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Abstract
The utility model provides and closes the stopper section of tail slide fastener for plastic-steel and plastic-steel closes tail slide fastener, plastic-steel, which closes tail slide fastener, includes the stopper section, stopper section includes tooth form backstop and pull head block, the tooth form backstop includes that pull head and the left side tooth form backstop and right side tooth form backstop that engage can be entered, and the left side tooth form backstop and the right side tooth form backstop are connected as a single entity with the pull head block respectively.The stopper section that the utility model is provided substantially is increased with strap bonded area, can significantly strengthen the bond strength between stopper section structural strength in itself and stopper section and strap.And tooth form backstop can enter in pull head so that the outward appearance of whole piece slide fastener is as good as with existing product, meets client's use habit.
Description
Technical field
The utility model belongs to zipper technology field, specifically, be related to for plastic-steel close tail slide fastener stopper section and
Plastic-steel closes tail slide fastener.
Background technology
Slide fastener is a kind of opening and closing type immobilising device applied widely, and according to the shape of two ends, slide fastener can be divided into
Separating zipper and close the major class of tail slide fastener two.According to material, slide fastener is broadly divided into three major types：Metal zip fastener, nylon zipper and plastic-steel
Slide fastener (also referred to as resin teeth zipper).It is a kind of more extensive slide fastener type of application that plastic-steel, which closes tail slide fastener, and the chain tooth of delrin zippers with pulllers is
Matched colors and ejected by injection molding machine by dyestuff with plastics such as polyester plasticses.The durability of delrin zippers with pulllers compares metal zip fastener
It is good with nylon zipper, it is widely used in all kinds of occasions, such as garment pocket, case and bag.Common delrin zippers with pulllers includes chain tooth, drawn
Head and pulling-on piece, pull head is pulled by pulling-on piece, chain tooth is engaged or is separated, so that garment pocket, case and bag etc. are opened or closed, this
The delrin zippers with pulllers of sample by pulling-on piece due to gently one being drawn, so that it may pulls pull head body easily.
The stopper section of tail slide fastener is not to be shaped using injection molding manner on injection machine to current plastic-steel, is limited to its outward appearance shape
The bonded area of shape, stopper section and zipper cloth belt is limited, and its stopper section strength can not often meet the demand of client.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of stopper section that tail slide fastener is closed for plastic-steel,
Including tooth form backstop and pull head block；
The tooth form backstop includes that pull head and the left side tooth form backstop and right side tooth form backstop that engage can be entered；
The left side tooth form backstop and the right side tooth form backstop are connected as a single entity with the pull head block respectively.
As the improvement to technical scheme, the surface configuration and chi of the left side tooth form backstop and the right side tooth form backstop
It is very little identical with the plastic-steel closes tail slide fastener chain tooth, and the left side tooth form backstop and the right side tooth form backstop and the pull head
Block is integrally formed on cloth band.
As the improvement to technical scheme, the strap includes left side strap and right side strap, the left side tooth form backstop
It is fixedly connected with the left side strap, the right side tooth form backstop is fixedly connected with the right side strap, the pull head block is same
When be fixedly connected with the left side strap and the right side strap.
As the improvement to technical scheme, the overall side that the tooth form backstop and the pull head block are constituted is set
There is the groove for accommodating the strap.
Additionally provide a kind of plastic-steel and close tail slide fastener, including chain tooth, pull head and stopper section,
The stopper section includes tooth form backstop and pull head block；
The tooth form backstop includes that pull head and the left side tooth form backstop and right side tooth form backstop that engage can be entered；
The left side tooth form backstop and the right side tooth form backstop are connected as a single entity with the pull head block respectively.
As the improvement to technical scheme, the surface configuration and chi of the left side tooth form backstop and the right side tooth form backstop
It is very little identical with the plastic-steel closes tail slide fastener chain tooth, and the left side tooth form backstop and the right side tooth form backstop and the pull head
Block is integrally formed on cloth band.
As the improvement to technical scheme, the strap includes left side strap and right side strap, the left side tooth form backstop
It is fixedly connected with the left side strap, the right side tooth form backstop is fixedly connected with the right side strap, the pull head block is same
When be fixedly connected with the left side strap and the right side strap.
As the improvement to technical scheme, the overall side that the tooth form backstop and the pull head block are constituted is set
There is the groove for accommodating the strap.
As the improvement to technical scheme, the stopper section is located at the stem or afterbody that the plastic-steel closes tail slide fastener.
As the improvement to technical scheme, the stopper section is located at the stem and afterbody that the plastic-steel closes tail slide fastener.
The beneficial effects of the utility model：
(1) because plastic-steel closes the tooth form backstop of tail slide fastener and pull head block is connected as a single entity so that stopper section is combined with strap
Area is substantially increased, and can significantly strengthen the bond strength between the structural strength and stopper section and strap of stopper section；
(2) because the surface configuration of tooth form backstop and the surface configuration of chain tooth are identical, tooth form backstop can enter in pull head, make
The outward appearance for obtaining whole piece slide fastener is as good as with existing product, meets client's use habit.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Coordinate appended accompanying drawing, be described in detail below.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the schematic diagram of stopper section in the utility model embodiment；
Fig. 2 is the schematic diagram of stopper section and strap assembly in the utility model embodiment；
Fig. 3 is the first schematic diagram that plastic-steel closes tail slide fastener in the utility model embodiment；
Fig. 4 is the second schematic diagram that plastic-steel closes tail slide fastener in the utility model embodiment.
Main element symbol description：
1000- plastic-steels close tooth form backstop on the left of tail slide fastener, 1100- stopper sections, 1110- tooth form backstops, 1111-, and 1112- is right
Strap on the right side of strap on the left of side tooth form backstop, 1120- pull head blocks, 1130- grooves, 1200- straps, 1210-, 1220-,
1300- pull heads, 1400- chain tooths.
Embodiment
Hereinafter, various embodiments of the present utility model will be described more fully.The utility model can have various realities
Example is applied, and can adjust and change wherein.It should be understood, however, that：Limited in the absence of by various embodiments of the present utility model
In the intention of specific embodiment disclosed herein, but the utility model should be interpreted as covering fall into it is of the present utility model various
All adjustment, equivalent and/or alternative in the spirit and scope of embodiment.
Hereinafter, the term " comprising " that can be used in various embodiments of the present utility model or " may include " indicate institute
Disclosed function, operation or the presence of element, and the increase of one or more functions, operation or element is not limited.In addition,
As used in various embodiments of the present utility model, term " comprising ", " having " and its cognate are meant only to represent specific
Feature, numeral, step, operation, element, the combination of component or foregoing item, and it is understood not to exclude one or first
A number of other features, numeral, step, operation, element, the presence of the combination of component or foregoing item increase one or more spies
Levy, numeral, step, operation, element, the possibility of the combination of component or foregoing item.
In various embodiments of the present utility model, statement "or" or " in A or/and B at least one " include row simultaneously
Any combinations of the word gone out or all combinations." A or B " or " in A or/and B at least one " may include A, can for example, statement
Including B or it may include A and B both.
The statement (" first ", " second " etc.) used in various embodiments of the present utility model can be modified various
Various element in embodiment, but corresponding element can not be limited.For example, presented above be not intended to limit the element
Order and/or importance.The purpose presented above for being only used for differentiating an element and other elements.For example, first uses
Family device and second user device indicate different user device, although the two is all user's set.For example, not departing from this practicality
In the case of the scope of new various embodiments, the first element is referred to alternatively as the second element, similarly, and the second element also can quilt
Referred to as the first element.
It should be noted that：In the utility model, unless otherwise clear and definite regulation and definition, " installation ", " connection ", " fixation "
It should be interpreted broadly Deng term, for example, it may be being fixedly connected, can also be detachably connected or be integrally connected；Can be with
It is mechanical connection or electrical connection；Can be directly connected to, also can be by intermediary and be indirectly connected to；Can be
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
In the utility model, one of ordinary skill in the art is it is to be appreciated that indicating position or position in text
The term of relation is, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplification is retouched
State, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and behaviour
Make, therefore it is not intended that to limitation of the present utility model.
The term used in various embodiments of the present utility model is only used for describing the purpose and simultaneously of specific embodiment
It is not intended to limitation various embodiments of the present utility model.As used herein, singulative is intended to also include plural form, unless
Context is expressly otherwise indicated.Unless otherwise defined, all terms (including technical term and the science being otherwise used herein
Term) there is the implication identical being generally understood that with various embodiment one skilled in the art of the present utility model to contain
Justice.The term (term such as limited in the dictionary typically used) be to be interpreted as have with correlative technology field
Situational meaning identical implication and will be not construed as with Utopian implication or excessively formal implication, unless this
It is clearly defined in the various embodiments of utility model.
Embodiment 1
This example provides a kind of stopper section 1100 that tail slide fastener is closed for plastic-steel, and the stopper section 1100 refers to be arranged on drawing
The end of chain, the end for the pull head of slide fastener to be limited in slide fastener prevents pull head from crossing the end of slide fastener and deviates from slide fastener
Part.
In the present embodiment, delrin zippers with pulllers is also referred to as resin teeth zipper, and its chain tooth is to pass through dyestuff with plastics such as polyester plasticses
Match colors and ejected by injection molding machine.The durability of delrin zippers with pulllers is better than metal zip fastener and nylon zipper, is widely used
In all kinds of occasions, such as garment pocket, case and bag.
In the present embodiment, close tail slide fastener and refer to the slide fastener that the chain tooth of slide fastener bottom can not be separated.
Specifically, also referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, stopper section 1100 includes tooth form backstop 1110 and pull head is kept off
Block 1120.Tooth form backstop 1110 includes that pull head 1300 and the left side tooth form backstop 1111 and right side tooth form backstop that engage can be entered
1112.Left side tooth form backstop 1111 and right side tooth form backstop 1112 are connected as a single entity with pull head block 1120 respectively.
In the present embodiment, left side tooth form backstop 1111 and right side tooth form backstop 1112 are respectively along the chain tooth in place direction
1400 arrangement track is set.When pull head 1300 is moved at stopper section 1100, pull head block 1120 blocks pull head 1300, makes drawing
First 1300 can not continue to move in the same direction again.At the same time, left side tooth form backstop 1111 and right side tooth form backstop 1112 are equal
Into pull head 1300 and mesh together.When pull head 1300 is left at stopper section 1100 in opposite direction, left side tooth form backstop
1111 and right side tooth form backstop 1112 keep engagement.
Specifically, tooth form backstop 1110, pull head block 1120 and chain tooth 1400 are all plastic materials, for example polyformaldehyde tree
Fat, polyester resin etc., as a kind of mode preferably, tooth form backstop 1110, pull head block 1120 and chain tooth 1400 are selected together
A kind of plastics.
Further, the surface configuration and size of left side tooth form backstop 1111 and right side tooth form backstop 1112 close tail with plastic-steel
The chain tooth 1400 of slide fastener 1000 is identical, and left side tooth form backstop 1111 and right side tooth form backstop 1112 and the one of pull head block 1120
It is molded on strap 1200.Due to left side tooth form backstop 1111 and the surface configuration and size and chain tooth of right side tooth form backstop 1112
1400 is identical, and left side tooth form backstop 1111 and right side tooth form backstop 1112 are easier to enter pull head 1300, and plastic-steel closes tail slide fastener
1000 outward appearance does not change.
Above-mentioned left side tooth form backstop 1111 and right side tooth form backstop 1112 are integrally formed the specific method on strap 1200
It is that strap is prevented to the predeterminated position in injection machine, selects appropriate grinding tool to start injection molding operation, by left side tooth form backstop
1111st, right side tooth form backstop 1112 and pull head block 1120 are molded on strap 1200 together.
Further, strap 1200 includes left side strap 1210 and right side strap 1220, left side tooth form backstop 1111 and a left side
Side strap 1210 is fixedly connected, and right side tooth form backstop 1112 is fixedly connected with right side strap 1220, pull head block 1120 simultaneously with
Left side strap 1210 is fixedly connected with right side strap 1220.The above-mentioned implementation method that is fixedly connected is, first by left side strap 1210
The predeterminated position in injection machine is placed into right side strap 1220, selects appropriate grinding tool to start injection molding operation so that left side tooth form
Backstop 1111, right side tooth form backstop 1112 and pull head block 1120 are connected as a single entity, and left side tooth form backstop 1111 is injected into a left side
On side strap 1210, right side strap 1220 is injected on the strap 1220 of right side.
Further, as shown in figure 1, the overall side that tooth form backstop 1110 and pull head block 1120 are constituted is provided with use
In the groove 1130 for accommodating strap 1200.By the way that strap 1200 is fixed in groove 1130, stopper section can be further improved
Bond strength between 1100 and strap 1200.
Embodiment 2
Also referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, this example closes tail slide fastener 1000, including chain tooth there is provided a kind of plastic-steel
1400th, pull head 1300 and stopper section 1100.
Stopper section 1100 includes tooth form backstop 1110 and pull head block 1120.Tooth form backstop 1110 includes that pull head can be entered
1300 and engage left side tooth form backstop 1111 and right side tooth form backstop 1112.Left side tooth form backstop 1111 and right side tooth form backstop
1112 are connected as a single entity with pull head block 1120 respectively.
In the present embodiment, left side tooth form backstop 1111 and right side tooth form backstop 1112 are respectively along the chain tooth in place direction
1400 arrangement track is set.When pull head 1300 is moved at stopper section 1100, pull head block 1120 blocks pull head 1300, makes drawing
First 1300 can not continue to move in the same direction again.At the same time, left side tooth form backstop 1111 and right side tooth form backstop 1112 are equal
Into pull head 1300 and mesh together.When pull head 1300 is left at stopper section 1100 in opposite direction, left side tooth form backstop
1111 and right side tooth form backstop 1112 keep engagement.
Specifically, tooth form backstop 1110, pull head block 1120 and chain tooth 1400 are all plastic materials, for example polyformaldehyde tree
Fat, polyester resin etc., as a kind of mode preferably, tooth form backstop 1110, pull head block 1120 and chain tooth 1400 are selected together
A kind of plastics.
In this example, because left side tooth form backstop 1111 and right side tooth form backstop 1112 connect with pull head block 1120 respectively
It is integrated so that stopper section 1100 is substantially increased with the bonded area of strap 1200, the structure that can significantly strengthen stopper section 1100 is strong
Degree and the bond strength between stopper section 1100 and strap 1200.It is additionally, since left side tooth form backstop 1111 and right side tooth form
Backstop 1112 can enter pull head 1300 and mesh together so that whole piece plastic-steel closes the outward appearance and existing product of tail slide fastener 1000
It is as good as, meets client's use habit.
Further, the surface configuration and size of left side tooth form backstop 1111 and right side tooth form backstop 1112 close tail with plastic-steel
The chain tooth 1400 of slide fastener 1000 is identical, and left side tooth form backstop 1111 and right side tooth form backstop 1112 and the one of pull head block 1120
It is molded on cloth band.Due to the surface configuration and size and chain tooth 1400 of left side tooth form backstop 1111 and right side tooth form backstop 1112
Identical, left side tooth form backstop 1111 and right side tooth form backstop 1112 are easier to enter pull head 1300, and plastic-steel closes tail slide fastener 1000
Outward appearance do not change.
Above-mentioned left side tooth form backstop 1111 and right side tooth form backstop 1112 are integrally formed the specific method on strap 1200
It is that strap is prevented to the predeterminated position in injection machine, selects appropriate grinding tool to start injection molding operation, by left side tooth form backstop
1111st, right side tooth form backstop 1112 and pull head block 1120 are molded on strap 1200 together.
Further, strap 1200 includes left side strap 1210 and right side strap 1220, left side tooth form backstop 1111 and a left side
Side strap 1210 is fixedly connected, and right side tooth form backstop 1112 is fixedly connected with right side strap 1220, pull head block 1120 simultaneously with
Left side strap 1210 is fixedly connected with right side strap 1220.The above-mentioned implementation method that is fixedly connected is, first by left side strap 1210
The predeterminated position in injection machine is placed into right side strap 1220, selects appropriate grinding tool to start injection molding operation so that by left side tooth
Type backstop 1111, right side tooth form backstop 1112 and pull head block 1120 are connected as a single entity, and left side tooth form backstop 1111 is injected into
On left side strap 1210, right side strap 1220 is injected on the strap 1220 of right side.
Further, as shown in figure 1, the overall side that tooth form backstop 1110 and pull head block 1120 are constituted is provided with use
In the groove 1130 for accommodating strap 1200.By the way that strap 1200 is fixed in groove 1130, stopper section can be further improved
Bond strength between 1100 and strap 1200.
Further, stopper section 1100 is located at the stem or afterbody that plastic-steel closes tail slide fastener 1000.In addition, stopper section 1100
Stem and afterbody that plastic-steel closes tail slide fastener 1000 can be located at.Due to closing, tail slide fastener closes tail including one end and two kinds of knots of tail are closed at two ends
Configuration formula, when plastic-steel closes tail slide fastener 1000 only tail is closed in one end when, preferably stopper section 1100 is located at the head that plastic-steel closes tail slide fastener 1000
Portion or afterbody.When plastic-steel, which closes the two ends of tail slide fastener 1000, closes tail, preferably stopper section 1100 is located at the head that plastic-steel closes tail slide fastener 1000
Portion and afterbody.
The beneficial effect of present embodiment：
(1) because left side tooth form backstop 1111 and right side tooth form backstop 1112 are connected as a single entity with pull head block 1120 respectively,
So that stopper section 1100 is substantially increased with the bonded area of strap 1200, it can significantly strengthen the structural strength of stopper section 1100 and stop
Bond strength between stopper 1100 and strap 1200.
(2) because left side tooth form backstop 1111 and right side tooth form backstop 1112 can enter pull head 1300 and be engaged on one
Rise so that whole piece plastic-steel closes the outward appearance of tail slide fastener 1000 and existing product is as good as, and meets client's use habit.
It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram for being preferable to carry out scene, module in accompanying drawing or
Flow is not necessarily implemented necessary to the utility model.
It will be appreciated by those skilled in the art that the module in device in implement scene can be described according to implement scene into
Row is distributed in the device of implement scene, can also carry out one or more dresses that respective change is disposed other than this implement scene
In putting.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
Above-mentioned the utility model sequence number is for illustration only, and the quality of implement scene is not represented.
Disclosed above is only several specific implementation scenes of the present utility model, and still, the utility model is not limited to
This, the changes that any person skilled in the art can think of should all fall into protection domain of the present utility model.
Claims (10)
1. a kind of stopper section that tail slide fastener is closed for plastic-steel, it is characterised in that：
Including tooth form backstop and pull head block；
The tooth form backstop includes that pull head and the left side tooth form backstop and right side tooth form backstop that engage can be entered；
The left side tooth form backstop and the right side tooth form backstop are connected as a single entity with the pull head block respectively.
2. stopper section according to claim 1, it is characterised in that the left side tooth form backstop and the right side tooth form backstop
Surface configuration and size it is identical with the chain tooth that the plastic-steel closes tail slide fastener, and the left side tooth form backstop and the right side tooth form
Backstop is integrally formed on cloth band with the pull head block.
3. stopper section according to claim 2, it is characterised in that the strap includes left side strap and right side strap, institute
State left side tooth form backstop to be fixedly connected with the left side strap, the right side tooth form backstop is fixedly connected with the right side strap,
The pull head block is fixedly connected with the left side strap and the right side strap simultaneously.
4. the stopper section according to Claims 2 or 3, it is characterised in that the tooth form backstop and pull head block institute structure
Into overall side be provided with groove for accommodating the strap.
5. a kind of plastic-steel closes tail slide fastener, including chain tooth, pull head and stopper section, it is characterised in that：
The stopper section includes tooth form backstop and pull head block；
The tooth form backstop includes that pull head and the left side tooth form backstop and right side tooth form backstop that engage can be entered；
The left side tooth form backstop and the right side tooth form backstop are connected as a single entity with the pull head block respectively.
6. plastic-steel according to claim 5 closes tail slide fastener, it is characterised in that the left side tooth form backstop and the right side tooth
The surface configuration and size of type backstop are identical with the chain tooth that the plastic-steel closes tail slide fastener, and the left side tooth form backstop and the right side
Side tooth form backstop is integrally formed on cloth band with the pull head block.
7. plastic-steel according to claim 6 closes tail slide fastener, it is characterised in that the strap includes left side strap and right side cloth
Band, the left side tooth form backstop is fixedly connected with the left side strap, and the right side tooth form backstop is fixed with the right side strap
Connection, the pull head block is fixedly connected with the left side strap and the right side strap simultaneously.
8. the plastic-steel according to claim 6 or 7 closes tail slide fastener, it is characterised in that the tooth form backstop and pull head gear
The overall side that block is constituted is provided with the groove for accommodating the strap.
9. the plastic-steel according to any one of claim 5-7 closes tail slide fastener, it is characterised in that the stopper section is located at described
Plastic-steel closes the stem or afterbody of tail slide fastener.
10. the plastic-steel according to any one of claim 5-7 closes tail slide fastener, it is characterised in that the stopper section is located at institute
State stem and afterbody that plastic-steel closes tail slide fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720133238.0U CN206472953U (en) | 2017-02-14 | 2017-02-14 | The stopper section of tail slide fastener is closed for plastic-steel and plastic-steel closes tail slide fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720133238.0U CN206472953U (en) | 2017-02-14 | 2017-02-14 | The stopper section of tail slide fastener is closed for plastic-steel and plastic-steel closes tail slide fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206472953U true CN206472953U (en) | 2017-09-08 |
Family
ID=59749148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720133238.0U Active CN206472953U (en) | 2017-02-14 | 2017-02-14 | The stopper section of tail slide fastener is closed for plastic-steel and plastic-steel closes tail slide fastener |
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|---|---|
| CN (1) | CN206472953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110250667A (en) * | 2019-06-28 | 2019-09-20 | 深圳市华圣达拉链有限公司 | Colour filter zipper |
| TWI750014B (en) * | 2020-11-09 | 2021-12-11 | 墾青工業股份有限公司 | Closed zipper with combined bottom stop |
-
2017
- 2017-02-14 CN CN201720133238.0U patent/CN206472953U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110250667A (en) * | 2019-06-28 | 2019-09-20 | 深圳市华圣达拉链有限公司 | Colour filter zipper |
| CN110250667B (en) * | 2019-06-28 | 2023-12-29 | 深圳市华圣达拉链有限公司 | Color filter chain structure |
| TWI750014B (en) * | 2020-11-09 | 2021-12-11 | 墾青工業股份有限公司 | Closed zipper with combined bottom stop |
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