TW201531398A - Plastic steel zipper and a method of manufacturing a waterproof plastic steel zipper thereof - Google Patents

Abstract

This invention relate to a plastic steel zipper and a method of manufacturing a waterproof plastic steel zipper thereof. The goal of this invention is to improve the poor waterproof ability of the prior plastic steel zipper. The method comprising: manufacturing a plastic steel zipper, with each zip cloth has a stamen portion at one side, with each stamen portion has a row of zip tooth, with each zip tooth has an engaging portion and a root portion. There will be a closely connection section while the two rows of zip tooth engage with each other. Then forms a waterproof layer by making a melted polymer cover and cool on the two zip cloth, one face of the two zip tooth and the root portion of the adjacent gap. Then use a cutting tool to cut the waterproof layer to obtain a waterproof plastic steel zipper.

Description

Plastic steel zipper, waterproof plastic steel zipper and its preparation method

The invention relates to a plastic steel zipper capable of manufacturing waterproof function and a preparation method thereof, in particular to a plastic steel zipper which can be used for making waterproof, and a waterproof layer can be formed on the plastic steel zipper, so that the plastic steel zipper has waterproof effect against water and liquid penetration. Plastic steel zipper and its manufacturing method.

Please refer to the conventional plastic zipper 9 shown in the first and second figures. The conventional plastic zipper 9 is formed with a fastening member 93 on the first chain cloth 91 and the second chain cloth 92, respectively, and the first chain cloth is formed. 91. The fastening elements 93 on the second chain cloth 92 are staggered, and the interlaced fastening element teeth 93 can be engaged or disengaged. The conventional plastic zipper 9 has only an opening and closing function and cannot prevent the penetration of water and liquid.

Because zipper is one of the most important and indispensable components in daily life, items such as clothing, storage bags or shoes are equipped with zippers to provide quick opening and closing of the opening of objects, thereby enhancing human life. Convenience. However, as the number of people engaged in outdoor sports and travel increases, in response to changes in the weather, it is possible to avoid wind and rain or seep through clothing, coats, purses and other items during wind or rain. Demand.

Please refer to Figure 3, which is the Republic of China Announcement No. M435182 "a chain-toothed waterproof zipper". The conventional chain-toothed waterproof zipper 8 has a waterproof layer 84 attached directly to the first tape. 81 and the upper surface of the second tape 82, or the waterproof layer 84 may be uniformly coated on the upper surface of the first tape 81 and the second tape 82 by a waterproof coating, and the first chain 81, the first The two-chain cloth 82 is respectively formed with staggered fastening elements 83, the top, bottom surface or the same symmetrical shape of the fastening elements 83, by which the water-repellent layer 84 can prevent the water from being passed by the first chain cloth 81 and the second chain. The cloth 82 is infiltrated, and the waterproof layer 84 of the conventional chain-toothed waterproof zipper 8 is peeled off by the first chain cloth 81 and the second chain cloth 82 after a period of use, so that the conventional chain-toothed waterproof zipper 8 completely loses water resistance. Features.

In view of this, the above-mentioned conventional chain-toothed waterproof zipper does have a need for improvement.

The main object of the present invention is to improve the above problems, so as to provide a plastic steel zipper so that a waterproof layer can cover the surface of the two-chain cloth of the plastic zipper and the root of the staggered chain teeth, so that the plastic steel zipper can surely achieve the waterproof function. .

A second object of the present invention is to provide a waterproof plastic steel zipper, one surface of the plastic zipper has a waterproof layer, and the waterproof layer can be surely attached to one surface of the two-chain cloth and the interlaced sprocket, and there is no Strip the lover.

A further object of the present invention is to provide a method for manufacturing a waterproof plastic steel zipper, which can make a waterproof layer adhere to the surface of one of the two-chain cloth of the plastic zipper and the fastener element thereof, so that the plastic steel zipper has waterproof effect. And the waterproof layer can be firmly attached without peeling off.

In order to achieve the foregoing object and effect, the plastic steel zipper of the present invention comprises: preparing a plastic steel zipper, the plastic steel zipper comprising a two-chain cloth, the two-chain fabric having a first surface, a second surface and a connection a side surface and two side edges of the second surface have a first surface and a second surface, and one side of the two-chain cloth is provided with a core portion, and each of the two core portions has a row of fastener elements, and the two columns The sprocket has at least one surface formed with an engaging portion, a portion and each of the sprocket teeth have a gap adjacent thereto, and the two rows of sprocket teeth are engaged with a tightly bonded portion; the zipper chain of the plastic galvanized steel Engaging the teeth, so that the molten polymer is extruded over a surface of the two-chain cloth, a gap between each of the surface number of teeth and its adjacent root portion; cooling the polymer to solidify to form a cover a water-repellent layer of a surface of one of the two-chain fabric, two rows of fastener elements, and a gap between the adjacent roots of the fastener elements; and the waterproof layer is cut by a cutting tool to obtain a waterproof plastic steel zipper.

The method for manufacturing a waterproof plastic steel zipper according to the present invention, wherein the molten polymer is covered on the second surface of the two-chain cloth and one side of the sprocket is not provided to solidify and form an extended waterproof after cooling. Floor.

In the method for producing a waterproof plastic steel zipper according to the present invention, after the first surface of the two-chain cloth is coated with a layer of adhesive, the molten polymer is coated on the first surface of the two-chain cloth.

In the method for producing a waterproof plastic steel zipper according to the present invention, after the second surface of the two-chain cloth is coated with a layer of adhesive, the molten polymer is covered on the second surface of the two-chain cloth.

The method for manufacturing a waterproof plastic steel zipper according to the present invention, wherein a height of a meshing portion of the fastener element on a surface of the chain cloth is smaller than a height of the root portion, so that the engaging portion and the root portion are on the surface Form a bad one.

The method for manufacturing a waterproof plastic steel zipper according to the present invention, wherein when the two rows of sprocket teeth are engaged, the two rows of sprocket of the two-chain cloth form a groove lower than the root portion by the meshing portion, and the molten polymer is more covered. In the trench.

The plastic steel zipper of the present invention comprises: a two-chain cloth having a first surface opposite to each other, a second surface, and two side edges connecting the first surface and the second surface; and two rows of sprocket teeth having opposite sides a first surface and a second surface, one side of the two-chain cloth is provided with a core portion, and each of the two core portions has a row of sprocket teeth, and the two rows of sprocket teeth are formed with at least one surface with an engaging portion, a portion and Each of the sprocket teeth has a gap adjacent to each other, and the two rows of sprocket teeth have a tightly bonded portion when they are engaged.

In the plastic zipper of the present invention, the height of the meshing portion of the fastener element on one surface of the chain cloth is smaller than the height of the root portion, so that the engaging portion and the root portion form a difference on the surface.

The waterproof plastic steel zipper of the present invention comprises: a two-chain cloth having a first surface, a second surface, and two sides connecting the first surface and the second surface; the two rows of sprocket teeth have opposite sides a first surface and a second surface, one side of the two-chain cloth is provided with a core portion, and each of the two core portions has a row of sprocket teeth, and the two rows of sprocket teeth are formed with at least one surface with an engaging portion, a portion and Each of the sprocket teeth has a gap adjacent to each other, and the two rows of sprocket teeth have a tightly bonded portion when engaged; and a waterproof layer covering one surface of the two-chain cloth and the root of each sprocket .

The waterproof plastic steel zipper of the present invention, wherein the waterproof layer extends on the other surface of the two-chain cloth and one side of the sprocket.

The waterproof plastic steel zipper of the present invention, wherein the fastener element is on a surface of the chain cloth The height of the meshing portion is smaller than the height of the root portion, so that the meshing portion and the root portion form a one-dimensional difference on the surface.

In the waterproof plastic steel zipper of the present invention, when the two rows of sprocket teeth are engaged, the two rows of sprocket of the two-chain cloth form a groove lower than the root portion by the meshing portion, and the molten polymer is more covered Groove.

The waterproof plastic steel zipper of the invention and the preparation method thereof have the advantages of better waterproof effect because the waterproof metal layer can be formed on at least one surface of the plastic steel zipper.

The waterproof plastic steel zipper of the invention and the preparation method thereof, the waterproof layer can be firmly adhered to the gap between the surface of the two-chain cloth and the two-row sprocket and the root of the adjacent sprocket, so that the waterproof layer can be firmly adhered to the plastic steel Zipper, after the long-term use of the plastic steel zipper of the invention, the waterproof layer of the plastic steel zipper can still be firmly adhered, and the waterproof layer can not peel off the effect.

〔this invention〕

1‧‧‧Chain

11‧‧‧

1a‧‧‧ first surface

1b‧‧‧ second surface

1c‧‧‧ side

2‧‧‧ sprocket

2a‧‧‧ first surface

2b‧‧‧ second surface

21‧‧‧Meshing Department

22‧‧‧ Root

3‧‧‧Waterproof layer

4‧‧‧Extended waterproof layer

G‧‧‧ gap

K‧‧‧ cutting tool

T‧‧ ‧ close joint

[study]

8‧‧‧Waterproof zipper

81‧‧‧First cloth belt

82‧‧‧Second cloth belt

83‧‧‧Snap components

84‧‧‧Waterproof layer

9‧‧‧plastic steel zipper

91‧‧‧First chain cloth

92‧‧‧Second chain cloth

Figure 1 is a partial perspective view of a conventional plastic steel zipper when separated.

Figure 2 is a partial front elevational view of a conventional plastic steel zipper in combination.

Figure 3 is a partial perspective view of a conventional sprocket-studded waterproof zipper when separated.

Figure 4 is a partial perspective view of a plastic steel zipper according to a preferred embodiment of the present invention.

Figure 5 is a partial plan view of a plastic steel zipper according to a preferred embodiment of the present invention.

Fig. 6 is a schematic view showing the implementation of a molten steel zipper coated with a molten polymer according to a preferred embodiment of the present invention.

Figure 7 is a cross-sectional view of the waterproof plastic steel zipper of the preferred embodiment of the present invention taken along line 7-7 of Figure 6.

Figure 8 is a schematic view showing the division of the waterproof plastic steel zipper according to the preferred embodiment of the present invention.

Figure 9 is a side view of the finished product of the waterproof plastic steel zipper of the preferred embodiment of the present invention.

Figure 10 is a side view showing the finished product of the waterproof plastic steel zipper of the second preferred embodiment of the present invention.

The above and other objects, features, and advantages of the present invention will become more apparent from the description of the appended claims. The plastic steel zipper of the present invention comprises a two-chain cloth 1 having a first surface 1a, a second surface 1b and two side edges 1c connecting the first surface 1a and the second surface 1b. The first surface 1a and the second surface 1b are oppositely disposed, the side 1c is connected to the first surface 1a and the second surface 1b; one side of the two-chain cloth 1 (relative to the other side of the side 1c) Each of the side portions is provided with a core portion 11 each having a row of fastener elements 2, and the plurality of chain teeth 2 on the two-chain cloth 1 have a gap G between adjacent ones, and the two-chain cloth 1 The two rows of sprocket 2 are formed in a staggered arrangement, and the two rows of sprocket 2 of the two-chain fabric 1 can be engaged with each other by the engaging portion 21, and when the two rows of sprocket 2 are engaged with each other by the engaging portion 21, the two-column phase The meshing sprocket 2 forms a tightly fitting portion T.

The sprocket 2 on the two-chain fabric 1 has a first surface 2a and a second surface 2b corresponding to the two-chain fabric 1, and the sprocket 2 of the first surface 2a is formed with an engaging portion 21 and a root portion 22 The engaging portion 21 and the root portion 22 may form the same or different heights on one surface of the chain cloth 1. In the embodiment, the engaging portion 21 is first in the chain cloth 1. The height of the surface 1a is smaller than the height of the root portion 22, so that the engaging portion 21 and the root portion 22 form a difference in the first surface 2a, so that when the sprocket 2 of the two-chain cloth 1 is engaged, the two-chain cloth 1 The sprocket 2 is formed by the engaging portion 21 with a groove lower than the root portion 22 (as shown in Fig. 6).

In the plastic steel zipper of the present invention, when the two rows of the sprocket 2 on the two-chain cloth 1 are engaged, the meshing portion 21 of the two-row sprocket 2 forms a tight-fitting portion T, so that the plastic zipper is subsequently waterproofed During the processing, the waterproof layer 3 can only be formed on the surface of the engaging portion 21 of the close-contact portion T, and does not penetrate into the gap of the close-contact portion T in which the two rows of fastener elements 2 are closely connected. Thus, the waterproof layer 3 can be cut by the cutting tool. The cutting so that the two rows of fastener elements 2 can be separated, therefore, the plastic steel zipper of the present invention can be used to form a waterproof plastic steel zipper.

Referring to Figures 6 to 9, which are a manufacturing method of a waterproof plastic steel zipper according to the present invention, the waterproof plastic steel zipper manufacturing method comprises the following steps: Please refer to Figures 6 and 7 to form the above-mentioned plastic steel The two rows of sprocket 2 of the zipper are engaged, and the molten polymer is extruded over one surface of the two-chain fabric 1 and the sprocket 2; in this embodiment, The first surface 1a, 2a of the two-chain fabric 1 and the two-row fastener element 2 are coated with a molten polymer on the plastic zipper, and the polymer is extruded over the two-chain fabric 1 and each The first surfaces 1a, 2a of the fastener elements 2, and the high molecular polymer can penetrate into the gap G between the root portions 22 of the adjacent fastener elements 2, and do not penetrate into the close contact portions T of the two rows of fastener elements 2 In the gap. Wherein, the polymer polymer can be selected as a thermoplastic polyurethane (TPU) and the like, and can be easily combined with the chain cloth 1 and the chain teeth 2, and can be easily attached after being bonded to the garment or the leather piece in a seamless manner. Those of ordinary skill in the art can understand and are not limited by the present invention.

Next, cooling the plastic steel zipper to which the molten polymer is adhered, so that The molten polymer is solidified and solidified to form a waterproof layer 3, and when the molten polymer is coated on the plastic zipper, the meshing portion 21 of the two-chain fabric 1 is Forming the closely-contacted portion T, the waterproof layer 3 covers only the first surface 1a, 2a of the two-chain cloth 1, the two-row sprocket, and the gap G between the roots 22 of each adjacent sprocket 2 The waterproof layer 3 does not penetrate into the meshing portion 21 of the two rows of fastener elements 2 by the closely contacted portion T. In particular, when a difference is formed between the engaging portion 21 and the root portion 22, the waterproof layer 3 can more integrally cover the engaging portion 21 and the root portion 22 of the fastener element 2 so that the waterproof layer 3 can be firmly secured. It adheres to the chain cloth 1 and each of the fastener elements 2, and has a better waterproof effect.

Referring to FIG. 8 , a cutting tool K is located from the metal zipper having the waterproof layer 3 in the direction of the meshing center of the two-chain tooth 2 (ie, the center line of the portion of the close-contact portion T), and is cut by the cutting The tool K cuts the waterproof layer 3 to separate the left and right zippers, thereby obtaining a plastic waterproof zipper finished product (as shown in Fig. 9); in the embodiment, the cutting tool K can be selected as a cutter.

Referring to FIG. 9, when the waterproof plastic zipper is splashed by water, not only the waterproof layer 3 can be used to prevent the chain cloth 1 from being wetted, but also the water-repellent layer 3 can prevent water from flowing from the second layer. The gap G between the meshing portion 21 of the sprocket 2 and each adjacent root portion 22 penetrates, so that the effect of preventing water and liquid penetration can be comprehensively achieved; moreover, since the waterproof layer 3 is integrally connected to the chain cloth 1, a gap between one surface of each of the fastener elements 2 and each of the adjacent root portions 22, so that the waterproof layer 3 can be firmly adhered to the surface (the first surface 1a, 2a) of the fastener fabric 1, the fastener elements 2, and each The root portion 22 of the fastener element 2 provides the waterproof layer 3 with a strong adhesion effect.

Referring to FIG. 10, in another embodiment of the present invention, the waterproof plastic steel zipper can be reworked, and the waterproof plastic steel zipper is coated with a molten shape from the second surface 1b of the two-chain fabric 1. The high molecular polymer partially or completely covers the second surface 1b of the two-chain fabric 1 and one side 1c of the sprocket 2, and solidifies to form an extended waterproof layer after cooling. 4, in the present embodiment, the extended waterproof layer 4 is formed only on one side 1c of the two-chain cloth 1 without the sprocket 2, and partially covers the second surface 1b of the two-chain cloth 1; The waterproof plastic zipper can be changed from single-sided waterproof to double-sided waterproof enamel, and can be applied to both sides of the available items, and has the effect of further improving the waterproof effect.

Alternatively, the first surface 1a and the second surface 1b of the two-chain fabric 1 may be simultaneously coated with a molten polymer to form the waterproof layer 3 and the extended waterproof layer 4 at one time to enhance the double Waterproof plastic waterproof zipper production efficiency. In this way, unlike the conventional waterproof zipper which is conventionally used for splicing or water-repellent coating, the waterproof plastic zipper of the present invention does not have the peeling effect of the waterproof layer 3 after being used for a long time. More perfect waterproof effect.

It is also worth noting that in order to enhance the bonding force between the polymer and the two-chain fabric 1, the present invention may also be coated on the first surface 1a or the second surface 1b of the two-chain fabric 1 if necessary. After a layer of adhesive, the molten polymer is applied to the surface of the two-chain cloth 1 coated with the adhesive, so that the water-repellent layer 3 or the extended waterproof layer 4 after solidification can be combined with the two chains. The cloth 1 is tightly bonded and is not easy to fall off, so that the combination of the waterproof layer 3 and the extended waterproof layer 4 and the chain cloth 1 can be more firm, and the service life of the waterproof plastic steel zipper can be extended.

In summary, in the plastic zipper of the present invention, since the meshing portions of the fastener elements are closely connected to form a close contact portion T, the waterproof layer 3 is only formed on the surface of the meshing portion 21 during the subsequent waterproof processing. Therefore, the waterproof layer 3 can be easily cut by the cutting tool K so that the two rows of fastener elements 2 can be separated, and the present invention can be infiltrated into the gap of the intimate portion T of the meshing portion 21 of the two rows of fastener elements 2 The plastic steel zipper can be used to form a waterproof plastic zipper effect.

The waterproof plastic steel zipper of the invention and the manufacturing method thereof can form a waterproof layer on at least one surface of the plastic steel zipper, and the waterproof plastic steel zipper of the invention has the effect of better waterproof effect.

The waterproof plastic steel zipper of the invention and the preparation method thereof can ensure that a waterproof layer is firmly adhered to the gap between the surface of the two-chain cloth and the sprocket of the plastic zipper and the root, so that the waterproof layer of the plastic zipper can be firmly adhered. After the waterproof plastic steel zipper of the present invention is used for a long time, the waterproof layer can still be firmly adhered and has the effect of not peeling off.

While the invention has been described in connection with the preferred embodiments described above, it is not intended to limit the scope of the invention. The technical scope of the invention is protected, and therefore the scope of the invention is defined by the scope of the appended claims.

1‧‧‧Chain

11‧‧‧

1a‧‧‧ first surface

1b‧‧‧ second surface

1c‧‧‧ side

2a‧‧‧ first surface

2b‧‧‧ second surface

21‧‧‧Meshing Department

22‧‧‧ Root

3‧‧‧Waterproof layer

Claims (12)

The invention relates to a method for manufacturing a waterproof plastic steel zipper, comprising the steps of: preparing a plastic steel zipper comprising a two-chain cloth, wherein the two-chain cloth has a first surface, a second surface and a first surface, respectively The two sides of the two surfaces have a first surface and a second surface, and one side of the two-chain cloth is provided with a core portion, and each of the two core portions has a row of sprocket teeth, and the two rows of sprocket teeth are at least One surface is formed with an engaging portion, a portion and each of the sprocket teeth have a gap adjacent thereto, and the two rows of sprocket teeth are engaged with a close-knit close-contact portion; the sprocket of the plastic zipper is meshed, so that The molten polymer is extruded over a surface of the two-chain cloth, a gap between each of the surface number of sprocket teeth and an adjacent root portion thereof; cooling the polymer to solidify to form a cover of the two-chain cloth, a surface of one of the two rows of sprocket teeth and a waterproof layer between the adjacent roots of the sprocket; and the waterproof layer is cut by a cutting tool to obtain a waterproof plastic zipper. The method for manufacturing a waterproof plastic steel zipper according to claim 1, wherein the molten polymer is covered on the second surface of the two-chain cloth and one side of the sprocket is not provided. After cooling, it solidifies to form an extended waterproof layer. The method for manufacturing a waterproof plastic steel zipper according to claim 1 or 2, wherein a molten polymer is coated on the first surface of the two-chain fabric after applying a layer of adhesive. The first surface of the chain cloth. The method for manufacturing a waterproof plastic steel zipper according to claim 3, wherein the molten polymer polymer cover is coated on the second surface of the two-chain cloth after applying a layer of adhesive. Covering the second surface of the two-chain cloth. The method of manufacturing the waterproof plastic steel zipper according to the third aspect of the invention, wherein the height of the meshing portion of the fastener element on a surface of the chain cloth is smaller than the height of the root portion, so that the engaging portion and the root portion form a difference on the surface. . The method for manufacturing a waterproof plastic steel zipper according to claim 5, wherein, when the two rows of sprocket teeth are engaged, the two rows of sprocket of the two-chain cloth form a groove lower than the root portion by the meshing portion, and are melted. The polymer is more covered in the trench. A plastic steel zipper comprising: a two-chain cloth having a first surface opposite to each other, a second surface, and two sides connecting the first surface and the second surface; and two rows of sprocket teeth having a relative one a surface and a second surface, one side of the two-chain cloth is provided with a core portion, and each of the two core portions has a row of sprocket teeth, and the two rows of sprocket teeth are formed by at least one surface with an engaging portion, a portion and each chain The teeth have a gap between adjacent ones, and the two rows of sprocket teeth have a tightly bonded portion when they are engaged. The zipper of the plastic steel according to the seventh aspect of the invention, wherein the height of the meshing portion of the fastener element on a surface of the chain cloth is smaller than the height of the root portion, so that the engaging portion and the root portion form a difference on the surface. The utility model relates to a waterproof plastic steel zipper, comprising: a two-chain cloth, respectively having a first surface, a second surface and two sides connecting the first surface and the second surface; the two rows of sprocket teeth having a relative one a surface, a second surface, one side of the two-chain cloth is provided with a core portion, each of the two core portions has a row of sprocket teeth, and the two rows of sprocket teeth are at least one surface Forming an engaging portion, a portion and each of the sprocket teeth having a gap adjacent thereto, the two rows of sprocket teeth having a tightly bonded portion when engaged; and a waterproof layer covering the two-chain cloth a surface and the root of each element. The waterproof plastic steel zipper according to claim 9 , wherein the waterproof layer extends on the other surface of the two-chain cloth and one side of the sprocket. The waterproof plastic steel zipper according to claim 9 or 10, wherein the height of the meshing portion of the fastener element on one surface of the chain cloth is smaller than the height of the root portion, so that the engaging portion and the root portion form a difference on the surface. . The waterproof plastic steel zipper according to claim 11, wherein when the two rows of sprocket teeth are engaged, the two rows of sprocket of the two-chain cloth form a groove lower than the root portion by the meshing portion, and the molten shape is high. The molecular polymer covers the trench more.