发明名称 Process for forming items having layers with controlled thic kness
摘要 PCT No. PCT/EP96/01583 Sec. 371 Date Oct. 20, 1997 Sec. 102(e) Date Oct. 20, 1997 PCT Filed Apr. 11, 1996 PCT Pub. No. WO96/33060 PCT Pub. Date Oct. 24, 1996A process for forming such manufactured items as imitation leather, or the like, from thermoplastic materials, thermosetting materials or elastomers, having at least one foamed layer, characterized in that said process comprises the following steps: a) forming, inside a mold for slush molding, a first layer of material which will constitute the top (i.e., the visible) layer of the finished manufactured item, b) by means of a further slush molding step forming a second layer, of foaming material, on said first layer, c) under high temperature conditions, completing the consolidation by gelation of said layers and foaming said second layer, by suitable means, in order to obtain predetermined thicknesses and shapes of said foamed layer, with the so formed layered material a backing means made from a rigid material being coupled, wherein said suitable means for obtaining predetermined thicknesses and shapes of said foamed layer are constituted either by a counter-mold or by said backing means made of rigid material.
申请公布号 AU5688296(A) 申请公布日期 1996.11.07
申请号 AU19960056882 申请日期 1996.04.11
申请人 INDUSTRIE ILPEA S.P.A. 发明人 PAOLO CITTADINI;GIANCARLO BUZZONI
分类号 B29C41/18;B29C41/22;B29L31/58 主分类号 B29C41/18
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