Resin waterproof zipper

Abstract

The invention provides a resin waterproof zipper which comprises a zipper tape. A waterproof membrane is coated on the upper surface of the zipper tape, a plurality of teeth are respectively arranged at opposite edges of a left zipper tape and a right zipper tape and include upper zipper tooth portions and lower tooth portions, the upper tooth portions are configured on the upper surface of the zipper tape, and the lower tooth portions are configured on the lower surface of the zipper tape; each upper tooth portion comprises an upper fixing portion, a shoulder and a sharp and thin protruded extension portion, each upper fixing portion is fixed to the zipper tape, each shoulder is connected to the corresponding upper fixing portion, each protruded extension portion extends from the corresponding shoulder to the outer direction of the zipper tape, and the width of each protruded extension portion is gradually reduced towards the outer side direction of the zipper tape; each lower tooth portion comprises a lower fixing portion, a meshed head and a neck, each neck is connected between the corresponding lower fixing portion and the corresponding meshed head, each lower fixing portion is fixed onto the zipper tape, each neck and the corresponding meshed head are arranged on the side, which faces the outside of the zipper tape, of the corresponding lower fixing portion, and two side surfaces of each neck are recessed; each protruded extension portion is positioned in the middle of the corresponding meshed head; each neck is positioned in the middle of the corresponding shoulder. The resin waterproof zipper has the advantage that a waterproof effect of the zipper can be realized by the aid of the structures of the teeth, the waterproof membrane and a waterproof agent layer.

Description

technical field [0001] The invention relates to a slide fastener, in particular to a resin waterproof slide fastener. Background technique [0002] In daily life, there are rainy days, and people cannot do without water in daily life, and in some occasions, people need waterproofing, so items with waterproof requirements such as raincoats, jackets, waterproof backpacks, tents, etc., the fabrics are generally made of waterproof materials In order to facilitate the wearing or use of these articles, zippers are often provided at the openings. However, ordinary zippers cannot play a waterproof role, so that water can penetrate deeply from the zippers, which reduces the overall waterproof performance. Therefore people research and develop the slide fastener with waterproof function, at present, common waterproof slide fastener on the market is to add a waterproof layer on the outer surface of slide fastener tape usually, can prevent water from going deep into from slide fastener ...

AI Technical Summary

Problems solved by technology

[0003] The invention proposes a resin waterproof zipper, which solves the problem that the gap between the elements of the existing waterproof zipper is prone to water leakage

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