发明名称 Rubber tube manufacture, with film laminate overwrap
摘要 A process for the manufacture of tubular rubber articles includes a) forming a tube of uncured rubber on a mandrel; b) wrapping the tubular rubber by winding with a film laminate including i) at least one layer of a heat stabilized, oriented nylon film having a thickness of from 13 to 50 mu m and having a shrinkage of 2 to 10% in the machine direction, laminated to ii) at least one heat stabilized film selected from an oriented nylon film having a thickness of from 13 to 50 mu m and having a shrinkage of 2 to 10% in the machine direction, or a cast nylon film having a thickness of from 15 to 155 mu m and having a shrinkage of 0.5 to 1.5% in the machine direction; and c) curing the rubber at an elevated temperature.
申请公布号 US5316713(A) 申请公布日期 1994.05.31
申请号 US19920935319 申请日期 1992.08.26
申请人 DU PONT CANADA INC. 发明人 KOSTER, EDWARD
分类号 B29C35/02;B29C53/58;B29D23/00;F16L11/04;(IPC1-7):B29C41/00;B29D23/22 主分类号 B29C35/02
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