发明名称 VEHICLE INTERIOR FINISHING LAMINATE SHEET, PROCESS FOR PRODUCING THE SAME, AND APPARATUS THEREFOR
摘要 There are provided a vehicle interior finishing laminate sheet in which a polypropylene resin foam board of high foaming extent having interconnected cells is used as a core member, a vehicle interior trim material, a method for manufacturing the vehicle interior finishing laminate sheet, and an apparatus therefor. The present invention relates to a vehicle interior finishing laminate sheet 1 provided with a core member consisting of a polypropylene resin foam board 2. The polypropylene resin foam board 2 is extrusion molded into a plate shape, and has an interconnected cell ratio of 50% or higher and a foaming extent of 10- to 50-fold. A plurality of polypropylene resin foam boards 2, 2 are joined to each other by the hot plate welding method or the laser transmission welding method, whereby a large-size core member of vehicle interior finishing laminate sheet 1, which is used for a roof lining or the like, can be formed.
申请公布号 US2011008565(A1) 申请公布日期 2011.01.13
申请号 US20080526309 申请日期 2008.02.08
申请人 发明人 KODAMA AKIRA;YOSHIDA HIROSHI;SHIMIZU TAKAHIRO
分类号 B32B3/26;B32B27/06;B32B37/24 主分类号 B32B3/26
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