CN112273800A - Zipper tooth, zipper, article using zipper and zipper tooth forming die - Google Patents
Zipper tooth, zipper, article using zipper and zipper tooth forming die Download PDFInfo
- Publication number
- CN112273800A CN112273800A CN202011091195.7A CN202011091195A CN112273800A CN 112273800 A CN112273800 A CN 112273800A CN 202011091195 A CN202011091195 A CN 202011091195A CN 112273800 A CN112273800 A CN 112273800A
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- Prior art keywords
- leg
- head
- zipper
- fastener element
- fastener
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/46—Making other particular articles haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples
- B21D53/50—Making other particular articles haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples metal slide-fastener parts
- B21D53/52—Making other particular articles haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples metal slide-fastener parts fastener elements; Attaching such elements so far as this procedure is combined with the process for making the elements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Slide Fasteners (AREA)
Abstract
The embodiment of the application provides an article and chain tooth forming die of chain tooth, zip fastener, applied this zip fastener, wherein, the chain tooth includes: the head part is used for being meshed with other zipper teeth, and the two leg parts are branched from the tail end of the head part and are symmetrically arranged; the sizes of the head and the legs satisfy that B/(B + E) is 30% -50%, wherein B is the distance between the joint of the inner sides of the two legs and the head end face of the head, and E is the distance between the joint of the inner sides of the two legs and the tail end face of the legs. The chain tooth, the zip fastener that this application embodiment provided, article and the chain tooth forming die of using this zip fastener can improve reliability and fastness that chain tooth and chain belt are connected.
Description
Technical Field
The application relates to a zipper technology, in particular to a zipper tooth, a zipper, an article using the zipper and a zipper tooth forming die.
Background
The zipper is a connecting piece which is mutually engaged and separated by two rows of zipper teeth so as to enable two side fabrics connected with the zipper teeth to be combined and separated. In the current zippers of various models in the market, metal zipper teeth are mainly made of copper materials with various contents. Because the zipper teeth are small in size and high in machining precision requirement, the stability of all sizes cannot be guaranteed in the zipper teeth forming process, the matching relation between the zipper teeth and the pull head is further influenced, the smoothness of the zipper is poor, and the yield is low.
Disclosure of Invention
In order to solve one of the above technical drawbacks, embodiments of the present application provide a fastener element, a zipper, an article using the zipper, and a mold for forming the fastener element.
An embodiment of a first aspect of the present application provides a fastener element, including: the head part is used for being meshed with other zipper teeth, and the two leg parts are branched from the tail end of the head part and are symmetrically arranged;
the sizes of the head and the legs satisfy that B/(B + E) is 30% -50%, wherein B is the distance between the joint of the inner sides of the two legs and the head end face of the head, and E is the distance between the joint of the inner sides of the two legs and the tail end face of the legs.
Embodiments of a second aspect of the present application provide a zipper, comprising: a fastener tape, a slider, and the above-described fastener element; and the two leg parts of the zipper teeth are clamped at one side edge of the zipper belt.
The article comprises an article body and a connecting part arranged on the article body, wherein the connecting part is used for being connected with the zipper.
An embodiment of a fourth aspect of the present application provides an element forming mold for forming an element as described above, characterized by comprising: the first die and the second die are meshed with each other and rotate;
the meshing surface of the first mold is provided with a first forming groove, and the meshing surface of the second mold is provided with a second forming groove; the first forming groove and the second forming groove are in butt joint to form a forming space for forming the zipper teeth.
The embodiment of the application provides a zipper element, which comprises a head part used for being meshed with other zipper elements and two leg parts separated from a tail end fork of the head part, wherein the two leg parts are symmetrically arranged; the size of head and shank satisfies that B/(B + E) is 30% -50%, wherein, B is the distance between the junction of two shank medial surfaces and the head end face of head, E is the distance between the junction of two shank medial surfaces and the tail end face of shank, can guarantee that two chain teeth can buckle each other and the shank of chain tooth presss from both sides tight chain belt, thereby improve the strong power of shifting of single chain tooth, the strong power of flat drawing of single chain tooth and the strong power of flat drawing of whole zip fastener, and then ensure the reliability that chain tooth and chain belt are connected, the reliability of connecting between the chain tooth, the smooth ability of chain tooth and pull head complex, improve the yield.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a plan view of a fastener element provided in an embodiment of the present application;
FIG. 2 is a schematic illustration of a dimensional standard for a fastener element provided in an embodiment of the present application;
FIG. 3 is a perspective view of a fastener element provided in accordance with an embodiment of the present application;
FIG. 4 is another perspective view of a fastener element provided in accordance with an embodiment of the present application;
FIG. 5 is a perspective view of a fastener element and a molding die provided in an embodiment of the present application;
FIG. 6 is a partial cross-sectional view of a fastener element and a molding die provided in accordance with an embodiment of the present application;
FIG. 7 is an enlarged partial view of FIG. 6;
FIG. 8 is a plan view of an embodiment of the present application providing engagement of a fastener element with a fastener strip;
FIG. 9 is a partial view of FIG. 8;
FIG. 10 is a perspective view of an embodiment of the present application providing engagement of a fastener element with a strand;
fig. 11 is a partial view of fig. 10.
Reference numerals:
1-a head; 11-an engagement portion;
2-a leg portion; 21-a projection;
31-a first mold; 311-an engagement groove; 32-a second mold; 321-meshing teeth;
4-primary material of the zipper teeth; 41-tooth element;
5-chain belt.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The present embodiment provides a fastener element that can be applied to a slide fastener. The slide fastener includes: chain belt, pull head, chain teeth, upper and lower backstop and the like. The zipper is characterized in that the number of the zipper belts is two, a plurality of zipper teeth are respectively arranged on the opposite side edges of the two zipper belts side by side, and the pull head is used for enabling the corresponding zipper teeth on the two zipper belts to be meshed or separated. The upper backstop and the lower backstop are respectively arranged at two ends of the chain belt and used for stopping the puller.
Fig. 1 is a plan view of a fastener element provided in an embodiment of the present application, fig. 2 is a dimensional standard diagram of the fastener element provided in the embodiment of the present application, fig. 3 is a perspective view of the fastener element provided in the embodiment of the present application, and fig. 4 is another angular perspective view of the fastener element provided in the embodiment of the present application.
As shown in fig. 1 to 4, the fastener element according to the present embodiment includes: the head part 1 and two leg parts 2 branched from the tail end of the head part 1, wherein the two leg parts 2 are symmetrically arranged. The head portion 1 is adapted to engage another element and the two tail portions 2 are adapted to grip a fastener tape.
The head 1 and the two legs 2 form a Y-shaped fastener element, one end of the head 1 far away from the legs 2 is called a head end face of the head 1, and one end of the legs 2 far away from the head 1 is called a tail end face of the legs 2. The left and right side surfaces of the head 1 shown in fig. 1 and 2 are referred to as side surfaces of the head 1, the side surfaces of the two leg portions 2 adjacent to each other are referred to as inner side surfaces of the leg portions 2, and the side surfaces of the two leg portions 2 distant from each other are referred to as outer side surfaces of the leg portions 2.
The shape shown in fig. 1 and 2 is the shape of the fastener elements before they are joined to the fastener tape. During assembly, the head part 1 of the zipper teeth is punched to form an engagement part 11, the chain belt is placed into the two leg parts 2, the two leg parts 2 are inwards squeezed by the jointing equipment to reduce the distance between the two leg parts, and the chain belt is clamped after the leg parts are deformed. The deformed element is shown in fig. 3 and 4.
The sizes of the head part 1 and the leg parts 2 meet the condition that B/(B + E) is 30% -50%, wherein B is the distance between the joint of the inner side surfaces of the two leg parts 2 and the head end surface of the head part 1, and E is the distance between the joint of the inner side surfaces of the two leg parts 2 and the tail end surface of the leg part 2. By adopting the size, the two zipper teeth can be mutually buckled and the leg parts of the zipper teeth clamp the zipper belt, so that the displacement strength of a single zipper tooth, the horizontal pulling strength of the single zipper tooth and the horizontal pulling strength of the whole zipper are improved.
The present embodiment provides a fastener element including a head portion for engaging with other fastener elements and two leg portions branched from a tail end branch of the head portion, the two leg portions being symmetrically disposed; the size of head and shank satisfies that B/(B + E) is 30% -50%, wherein, B is the distance between the junction of two shank medial surfaces and the head end face of head, E is the distance between the junction of two shank medial surfaces and the tail end face of shank, can guarantee that two chain teeth can buckle each other and the shank of chain tooth presss from both sides tight chain belt, thereby improve the strong power of shifting of single chain tooth, the strong power of flat drawing of single chain tooth and the strong power of flat drawing of whole zip fastener, and then ensure the reliability that chain tooth and chain belt are connected, the reliability of connecting between the chain tooth, the smooth ability of chain tooth and pull head complex, improve the yield.
On the basis of the technical scheme, the size of the zipper element can be further improved: the sizes of the head and the legs meet D < C + C + x, wherein D is the width of the tail end of the head, C is the width of the tail end of the legs, x is a preset adjusting parameter, and x is 0.4mm-0.6 mm. In this embodiment, x is 0.5mm, and it is possible to ensure that the fastener tape is not damaged by squeezing when the fastener elements are fastened to the fastener tape.
Furthermore, the distance between the two opposite side surfaces of the head part is gradually increased along the direction from the top end of the head part to the tail end of the head part, and an included angle A formed between the two opposite side surfaces of the head part is 5-20 degrees, which is equivalent to that two sides of the zipper teeth have demoulding inclination of 5-20 degrees. By adopting the scheme, the zipper teeth can be smoothly released from the die in the molding process.
The embodiment provides a specific implementation manner: the head end face of the head part 1 can be a plane, the head end face of the head part 1 and two opposite side faces of the head part are in arc transition, and the two opposite side faces of the head part 1 and the outer side faces of the leg parts 2 are in arc transition.
The tail end face of the leg part 2 can be a plane, and the tail end face of the leg part 2 and the inner side face of the leg part 2 are in arc transition. The inner side surfaces of the two legs 2 are in arc transition.
The width of the middle of the leg 2 is smaller than the width of the tail end of the leg 2. The embodiment provides an implementation manner: the outer side surface of the leg part 2 is a plane, and the tail end surface of the leg part 2 is a plane. The outer side surface of the leg part 2 is vertical to the tail end surface of the leg part 2, and the middle part of the inner side surface of the leg part 2 is sunken towards the outer side surface of the leg part 2 so that the width of the middle part of the leg part 2 is smaller than that of the tail end of the leg part 2. A gap is reserved between the middle parts of the two leg parts 2 and is used for accommodating the chain belt.
Furthermore, the middle part of the inner side surface of the leg part 2 is provided with a convex part 21, and the convex parts 21 on the two leg parts 2 are symmetrically arranged. The protrusion 21 serves to assist in clamping the fastener tape, and to improve the degree of fastening.
At least one projection 21, for example one, two or more projections 21, may be provided on each leg 2. When the number of the projections 21 provided on each leg portion 2 is two or more, the projections 21 may be arranged continuously or at intervals. For the spaced arrangement, the protruding portions 21 may be arranged at equal intervals or at unequal intervals.
The number of projections 21 on the two leg portions 2 may or may not be the same. For example: one leg 2 is provided with one projection 21 and the other leg 2 is provided with one projection 21. Alternatively, one leg portion 2 is provided with one projection 21 and the other leg portion 2 is provided with two projections 21.
When the number of the projections 21 on the two leg portions 2 is the same, the projections 21 on the two leg portions 2 may be symmetrically arranged or asymmetrically arranged. For example: one leg 2 is provided with one projection 21 and the other leg 2 is provided with two projections 21 with a predetermined distance between the two projections 21. When the two legs 2 are tightened inwardly, the projection 21 on one leg 2 faces a position between the two projections 21 on the other leg 2.
The embodiment provided in the present embodiment exemplarily shows that one projection 21 is provided on each leg portion 2, and the projections 21 on the two leg portions 2 are symmetrically arranged.
The shape of the projection 21 may be a ridge, a dot, or other shapes. The present embodiment provides a specific implementation manner of the protruding portion 21: the top ends of the two side surfaces of the convex part 21 are connected in a pointed shape, and the bottom ends of the two side surfaces of the convex part 21 and the inner side surface of the leg part 2 are in arc transition. The two sides of the bulge 21 are arranged in axial symmetry, and the symmetry axis is perpendicular to the inner side of the leg 2. The pointed projections 21 are inserted into the fastener tapes, so that the coupling between the coupling elements and the fastener tapes is more secure.
The present embodiment provides a fastener element, and the head portion 1 and the leg portion 2 may be integrally formed. Or the head part 1 and the leg part 2 are separately manufactured and then welded and fixed.
The zipper teeth can be made of any one of materials such as aluminum, aluminum alloy, copper alloy, stainless steel and the like. .
Fig. 5 is a perspective view of a fastener element and a molding die according to an embodiment of the present application, fig. 6 is a partial sectional view of the fastener element and the molding die according to the embodiment of the present application, and fig. 7 is an enlarged partial view of fig. 6. As shown in fig. 5 to 7, the present embodiment further provides a fastener element forming mold, including: the rotating first mold 31 and second mold 32 are engaged with each other. The engaging surface of the first mold 31 is provided with a first forming groove, the engaging surface of the second mold 32 is provided with a second forming groove, and the first forming groove and the second forming groove are butted to form a forming space for forming the zipper teeth.
Specifically, the first mold 31 and the second mold 32 are rotating wheels with parallel rotating axes, the peripheral surfaces of the two molds are used as meshing surfaces, the peripheral surface of the first mold 31 is provided with a meshing groove 311, the peripheral surface of the second mold 32 is provided with a meshing tooth 321, and the meshing tooth 321 is inserted into the meshing groove 311 to realize the mutual meshing rotation of the two molds.
As shown in the cross section of fig. 7, the molding space is located between the two meshing teeth 321. When the first die 31 and the second die 32 rotate, the copper material is extruded and demolded in the molding space to form the element primary material 4. The element raw material 4 is in the shape of a strip, and the cross section thereof is in the shape shown in fig. 1.
FIG. 8 is a plan view of an embodiment of the present application showing an element engaged with a link belt, FIG. 9 is a partial view of FIG. 8, FIG. 10 is a perspective view of an embodiment of the present application showing an element engaged with a link belt, and FIG. 11 is a partial view of FIG. 10. As shown in fig. 8 to 11, the present embodiment also provides a slide fastener including: the fastener tape 5, the slider and the fastener 41 element provided in any one of the above, the two leg portions 2 of the fastener element 41 are sandwiched between one side edge of the fastener tape 5.
In addition, this embodiment still provides an article of using above-mentioned zip fastener, including the article body and set up the connecting portion on the article body, connecting portion are used for linking to each other with the zip fastener.
For example: the article is a garment, the lappets on the two sides of the garment are used as article bodies, and the opposite side edges of the lappets on the two sides are used as connecting parts for being connected with the zipper. The zipper belt in the zipper is fixed with the lappet along the direction parallel to the side edge of the lappet, and the zipper teeth are driven to be engaged or separated through the pull head in the zipper, so that the lappets at two sides are butted or separated.
For another example: the article is a bag which is provided with at least one opening, the parts on two sides of the opening are used as article bodies, and the opposite side edges of the body on two sides are used as connecting parts to be connected with the zipper. The zipper belt in the zipper is fixed with the body along the direction parallel to the side edge of the body, and the zipper teeth are driven to be engaged or separated through the pull head in the zipper, so that the body at two sides is butted or separated.
The articles provided in the present embodiment are not limited to the clothing and the bag, and may be bed articles such as a covered pillow case, daily necessities such as a storage bag, and interior articles such as a car seat cover.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (14)
1. A fastener element, comprising: the head part is used for being meshed with other zipper teeth, and the two leg parts are branched from the tail end of the head part and are symmetrically arranged;
the sizes of the head and the legs satisfy that B/(B + E) is 30% -50%, wherein B is the distance between the joint of the inner sides of the two legs and the head end face of the head, and E is the distance between the joint of the inner sides of the two legs and the tail end face of the legs.
2. The fastener element of claim 1, wherein the head and leg portions have dimensions D < C + x, where D is the width of the head tail end, C is the width of the leg tail end, x is a predetermined adjustment parameter, and x is 0.4mm to 0.6 mm.
3. The fastener element of claim 1, wherein the head end surface of the head portion is in arcuate transition with opposite side surfaces of the head portion;
the two opposite side surfaces of the head part and the outer side surfaces of the leg parts are in arc transition.
4. The fastener element of claim 1 or 3, wherein the leg tail end face and the leg inner side face are in arc transition; the inner side surfaces of the two leg parts are in arc transition.
5. The fastener element of claim 1, wherein the outer side surface of the leg portion is a flat surface, and the trailing end surface of the leg portion is a flat surface; the outer side surface of the leg part is vertical to the tail end surface of the leg part; the middle part of the inner side surface of the leg part is sunken towards the outer side surface of the leg part so that the width of the middle part of the leg part is smaller than that of the tail end of the leg part.
6. The fastener element according to claim 5, wherein the leg portion is provided at an inner side surface middle portion thereof with a projection for gripping the fastener stringer, the number of the projection being at least one.
7. The fastener element of claim 6, wherein the number of projections on both legs is the same.
8. The fastener element of claim 7, wherein the projections on one leg are symmetrically disposed with respect to the projections on the other leg.
9. The fastener element of claim 6, 7 or 8, wherein the top ends of the two sides of the protruding portion are connected to form a sharp shape, and the bottom ends of the two sides of the protruding portion and the inner side of the leg portion are in arc transition; the two side surfaces of the convex part are arranged in an axisymmetric way, and the symmetric axis of the convex part is vertical to the inner side surface of the leg part.
10. The fastener element of claim 1, wherein the head portion and the leg portion are of an integrally formed construction.
11. The fastener element of claim 10, wherein the head portion and the leg portion are made of any one of aluminum, aluminum alloy, copper alloy, and stainless steel.
12. A slide fastener, comprising: a stringer, a slider and an element as claimed in any one of claims 1 to 11; and the two leg parts of the zipper teeth are clamped at one side edge of the zipper belt.
13. An article to which the slide fastener according to claim 12 is applied, comprising an article body and a connecting portion provided on the article body, the connecting portion being adapted to be connected to the slide fastener.
14. A fastener element forming die for forming a fastener element according to any one of claims 1 to 11, comprising: the first die and the second die are meshed with each other and rotate;
the meshing surface of the first mold is provided with a first forming groove, and the meshing surface of the second mold is provided with a second forming groove; the first forming groove and the second forming groove are in butt joint to form a forming space for forming the zipper teeth.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN202011091195.7A CN112273800B (en) | 2020-10-13 | 2020-10-13 | Zipper tooth, zipper, article using zipper and zipper tooth forming die |
PCT/CN2020/123039 WO2022077544A1 (en) | 2020-10-13 | 2020-10-23 | Zipper tooth, zipper, article using zipper and zipper tooth forming mold |
Applications Claiming Priority (1)
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CN202011091195.7A CN112273800B (en) | 2020-10-13 | 2020-10-13 | Zipper tooth, zipper, article using zipper and zipper tooth forming die |
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CN112273800A true CN112273800A (en) | 2021-01-29 |
CN112273800B CN112273800B (en) | 2022-03-18 |
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CN202011091195.7A Active CN112273800B (en) | 2020-10-13 | 2020-10-13 | Zipper tooth, zipper, article using zipper and zipper tooth forming die |
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WO (1) | WO2022077544A1 (en) |
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- 2020-10-23 WO PCT/CN2020/123039 patent/WO2022077544A1/en active Application Filing
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CN101733341A (en) * | 2008-11-27 | 2010-06-16 | Ykk株式会社 | Feeding device of metal wire material for engaged elements in zipper teeth chain continuous making machine |
CN102553999A (en) * | 2010-12-31 | 2012-07-11 | 福建浔兴拉链科技股份有限公司 | Punch mechanism and zipper tooth planting machine using same |
CN102150979A (en) * | 2011-04-29 | 2011-08-17 | 江苏汇源拉链制造有限公司 | Metal wire for manufacturing zipper teeth |
CN102613779A (en) * | 2012-04-19 | 2012-08-01 | 顾振财 | Zipper wire stock and zipper tooth |
CN102613780A (en) * | 2012-04-29 | 2012-08-01 | 无锡金卫星实业有限公司 | Zipper tooth |
CN102742981A (en) * | 2012-07-10 | 2012-10-24 | 魏昌明 | Zipper wire material and zipper tooth made of zipper wire material |
CN106714609A (en) * | 2014-09-24 | 2017-05-24 | Ykk株式会社 | Fastener element, fastener stringer, and slide fastener |
CN204467140U (en) * | 2015-03-27 | 2015-07-15 | 福建浔兴拉链科技股份有限公司 | A kind of metal wire rod being exclusively used in processing drawing chain tooth |
KR20170023446A (en) * | 2015-08-24 | 2017-03-06 | 케이피피지퍼 주식회사 | Slide fastener and preparation method thereof |
CN108138270A (en) * | 2015-10-08 | 2018-06-08 | Ykk株式会社 | Slide fastener chain tooth |
CN109068814A (en) * | 2016-05-06 | 2018-12-21 | Ykk株式会社 | The manufacturing method of slide fastener coupling element, the manufacturing device of slide fastener coupling element and slide fastener coupling element |
CN111031837A (en) * | 2017-08-30 | 2020-04-17 | Ykk株式会社 | Fastener element for slide fastener |
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WO2022077544A1 (en) | 2022-04-21 |
CN112273800B (en) | 2022-03-18 |
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