Apparatus for manufacturing infiltrating water-proof material for zipper

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United States of America Patent

PATENT NO 8454338
APP PUB NO 20080248146A1
SERIAL NO

12140290

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Abstract

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An apparatus for manufacturing infiltrating water-proof material for zippers comprising a lower mold and an upper mold, wherein the lower mold is positioned with a positioning recession and a groove, the upper mold is provided with a mold cave on a top thereof and a scraper portion on a bottom edge thereof and adhering to a bottom surface of the positioning recession, whereby the upper mold is assembled to the lower mold into a unitary member in which the upper mold is fitted in the positioning recession, a liquid PU rubber which has been treated with thickening step is poured into the mold cave of the upper mold, and then a zipper tap is moved by transferring rollers to the positioning recession to provide a water-proof film therefor.

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Patent Owner(s)

Patent OwnerAddress
YANG SHIH SHENGNot Provided

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yang, Shih Sheng Taipei Hsien, TW 10 67

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