发明名称 FEEDBLOCK FOR MAKING MULTILAYERED FILMS
摘要 Generally, the present description relates to a feedblock and a multilayer film die for creating polymeric multilayered films. The feedblock includes a stack of many layers of thin metal plates having flow profile cutouts, to create alternating layers of polymer.
申请公布号 EP2552666(A2) 申请公布日期 2013.02.06
申请号 EP20110759880 申请日期 2011.03.03
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 FAY, WILLIAM, T.;NEAVIN, TERENCE, D.;BIEGLER, ROBERT, M.;KOPECKY, WILLIAM, J.;ZILLIG, DANIEL, J.
分类号 B29C47/06;B29C47/12;B29C47/14;B32B37/00 主分类号 B29C47/06
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