发明名称 |
INTERIOR MOLDING FORM FOR VEHICLE |
摘要 |
PURPOSE:To eliminate the collapse of a foamed material, generation of an uneven part on the surface of a skin material by forming small bubbles having specific size or below on the surface layer of the foamed material integrally molded with thermoplastic resin for an aggregate. CONSTITUTION:Polypropylene resin foamed material to be used is so adjusted as to contain 35% or more of gel fraction and 200mum or below of mean bubble diameter in a surface layer having at least 1mm depth from the surface of the foamed material integrally molded with an aggregate. Composite materials 3 in which a skin material 2 adheres to the foamed material 1 are disposed at predetermined positions of a pair of upper and lower molding dies 4 and 5, and suitable amount of melted thermoplastic resin 6 for the aggregate is supplied to the molding face at the side of the material 1. It is pressure molded under a predetermined temperature condition by the dies 4 and 5 to obtain a molded form 7 having no uneven part on the surface integrally molded with the aggregate 6 at the material 1 of the composite material 3. |
申请公布号 |
JPH02102034(A) |
申请公布日期 |
1990.04.13 |
申请号 |
JP19880254534 |
申请日期 |
1988.10.07 |
申请人 |
TORAY IND INC |
发明人 |
NAKAE TOSHIJI;AKIMARU FUSAKICHI;OKUBO SHUNJI |
分类号 |
B60R13/02;B29C43/18;B29K105/04;B29L31/30;B29L31/58;B32B5/18 |
主分类号 |
B60R13/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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