发明名称 MULTILAYER FOAMED SHEET
摘要 PURPOSE:To provide a multiplayer foamed sheet in which a foamed sheet is disposed on a surface, a feel of softness is exhibited and utilization is increased in the sheet by a coextruding method. CONSTITUTION:A multilayer foamed sheet is formed by simultaneously extruding by a coextrusion and bringing a finely foamed sheet 2 into contact with at least one surface of a highly foamed sheet 1. A nonfoamed sheet 3 may be brought into contact with an opposite surface to a surface in contact with the sheet 2. An expansion ratio of the sheet 1 is preferably 1.2-5 times, and an expansion ratio of the sheet 2 is preferably 1.01-1.1 times.
申请公布号 JPH0760816(A) 申请公布日期 1995.03.07
申请号 JP19930229421 申请日期 1993.08.23
申请人 ACHILLES CORP 发明人 YAMAUCHI KENICHI
分类号 B29C47/06;B29C47/04;B29K105/04;B29L9/00;B32B5/32;(IPC1-7):B29C47/06 主分类号 B29C47/06
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