发明名称 APPARATUS FOR MANUFACTURING INFILTRATING WATER-PROOF MATERIAL FOR ZIPPER
摘要 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.
申请公布号 US2008248146(A1) 申请公布日期 2008.10.09
申请号 US20080140290 申请日期 2008.06.17
申请人 YANG SHIH SHENG 发明人 YANG SHIH SHENG
分类号 B28B11/04 主分类号 B28B11/04
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