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Waterproof Zipper and Process of Manufacturing Same

a manufacturing process and zipper technology, applied in the field of waterproof zippers, can solve the problems of insufficient flexibility of zippers, high thickness of zippers, complicated manufacturing process steps, etc., and achieve the effects of reducing the steps and time required for fabricating, reducing the cost of raw materials, and simplifying the structur

Inactive Publication Date: 2018-03-01
WIN CHAIN KNITTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a waterproof zipper structure that is simpler than existing zippers without compromising its waterproof performance. This simplification reduces the steps and time required to make the zipper.

Problems solved by technology

However, steps of the manufacturing process are complicated.
Further, the thickness of the zipper is relatively high and the zipper is not sufficiently flexible.

Method used

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  • Waterproof Zipper and Process of Manufacturing Same
  • Waterproof Zipper and Process of Manufacturing Same
  • Waterproof Zipper and Process of Manufacturing Same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0044]Referring to FIGS. 4 to 8, a waterproof zipper 3 in accordance with the invention comprises the following components as discussed in detail below.

[0045]FIG. 4 is a perspective view of a waterproof zipper according to the invention, FIG. 5 is a first exemplary sectional view of the waterproof zipper taken along line B-B of FIG. 4, FIG. 6 is a second exemplary sectional view of the waterproof zipper taken along line B-B of FIG. 4, FIG. 7 is a third exemplary sectional view of the waterproof zipper taken along line B-B of FIG. 4, and FIG. 8 is a fourth exemplary sectional view of the waterproof zipper taken along line B-B of FIG. 4.

[0046]The waterproof zipper 3 includes two halves 30, each including a half tape member 300 and a row of protruding teeth 301 along a side of the half tape member 300. A waterproof layer 31 is secured to an inner surface of the halves 30 for preventing water from passing through the halves 30.

[0047]The waterproof zipper 3 of the present invention may b...

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Abstract

A waterproof zipper is provided with two halves, each including a half tape member and a row of protruding teeth along an inner edge of the half tape member; and a waterproof layer is secured to an inner surface of the halves. The waterproof layer coated on the inner surfaces of the halves may prevent the liquid from penetrating into the interior of the waterproof zipper, and simplify the structure of the waterproof zipper. A process of manufacturing the waterproof zipper is also provided.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]This application is a continuation-in-part of U.S. patent application Ser. No. 15 / 247,942, filed on Aug. 26, 2016 in the United States Patent and Trademark Office, the disclosure of which is incorporated herein in their entirety by reference.BACKGROUND OF THE INVENTIONField of the Invention[0002]The invention relates to waterproof zippers and more particularly to a waterproof zipper and a process of manufacturing same.Description of Related Art[0003]As shown in FIGS. 1 to 3B, U.S. Pat. No. 7,954,209 to Chen entitled “waterproof structure for zippers” discloses a half-finished zipper 1 including a tape 10 and two toothed bars 11 secured to two inner edges of the open tape 10 respectively. One toothed bar 11 has teeth 110 adapted to secure to the teeth 110 of the other toothed bar 11 for closing the zipper.[0004]Each tape 10 has an inner surface coated with bonding glue 20. An electroplating membrane 21 is secured to an inner surface of the ...

Claims

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Application Information

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IPC IPC(8): A44B19/32A45C13/10
CPCA44B19/32A44B19/02A45C13/103B29L2005/00A44B19/42B29D5/00B29D5/02B29D5/08B32B37/025B32B38/10B32B2309/12
Inventor CHEN, HUNG-CHAO
Owner WIN CHAIN KNITTING CO LTD