发明名称 |
CORE MATERIAL FOR AN AUTOMOBILE BUMPER |
摘要 |
<p>For use in an automobile bumper, a core material composed of a molded article of prefoamed polyolefin resin particles. The core material has a density of 0.05 to 0.15 g/cm3 and the relation represented by the following expression E20/??20 kg-cm/g wherein E20 is the amount of energy absorption (kg-cm/cm3) when the core material is compressed to 50% at 20 .degree.C, and ? is the density (g/cm3) of the core material.</p> |
申请公布号 |
CA1233608(A) |
申请公布日期 |
1988.03.08 |
申请号 |
CA19850475660 |
申请日期 |
1985.03.04 |
申请人 |
JAPAN STYRENE PAPER CORPORATION |
发明人 |
YOSHIMURA, SHOHEI;ADACHI, AKIRA |
分类号 |
B29C44/00;B29K23/00;B29K105/04;B60R19/03;B60R19/22;C08J9/16;C08J9/18;C08J9/232;(IPC1-7):C08J9/18 |
主分类号 |
B29C44/00 |
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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