发明名称 PROCESS OF AND APPARATUS FOR MAKING A SHINGLE, AND SHINGLE MADE THEREBY
摘要 A process and apparatus for making a shingle, together with the shingle ma de thereby, is provided, in which one or more thermoplastic materials are extruded or co-extruded to form an extrudate, with the extrudate being cut into a preliminary shingle shape, which is allowed to dissipate heat, and then is delivered to a compression mold, wherein the preliminary shingle shape is compression molded to substantially its final dimensions and is then discharged from the mold and allowed to cool.
申请公布号 CA2553186(A1) 申请公布日期 2007.03.15
申请号 CA20062553186 申请日期 2006.07.18
申请人 CERTAINTEED CORPORATION 发明人 MACKINNON, THOMAS KEVIN;KIM, JOONG YOUN;DODD, ROBERT E.;WYLIE, DOUGLAS H.
分类号 B29C69/00;B29C47/06;E04D1/20 主分类号 B29C69/00
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