Method for manufacturing a watertight zipper
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United States of America
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Sep 24, 2019
Grant Date -
Apr 27, 2017
app pub date -
Dec 15, 2015
filing date -
Dec 15, 2015
priority date (Note) -
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Abstract
A method for manufacturing a watertight zipper solves the problem of low watertight effect of the modern watertight zipper. The method includes producing a waterproof stringer tape and forming a waterproof layer by injection molding. The waterproof layer covers a lateral edge of the waterproof stringer tape and includes a plurality of recesses. The method for manufacturing the watertight zipper further includes forming an aperture in each of the plurality of recesses. The aperture extends through the waterproof layer and the waterproof stringer tape. The method for manufacturing the watertight zipper further includes forming a plurality of scoops in the plurality of recesses by injection molding.
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