发明名称 |
Lightweight composite material |
摘要 |
The material consists of a solid substrate which can be plasterboard, metal sheet or plywood joined to which is a layer of foam plastics which in turn is covered by a decorative layer of plastics or by fibre mat or textile material. The foam plastics is expanded from granular material which contains foaming agent at relatively low temp. Polypropylene powder can be used. |
申请公布号 |
DE1946238(A1) |
申请公布日期 |
1971.03.18 |
申请号 |
DE19691946238 |
申请日期 |
1969.09.12 |
申请人 |
METALLGESELLSCHAFT AG |
发明人 |
DORSCHNER,HEINZ OSKAR,DIPL.-ING.DR. |
分类号 |
B29C44/12;C08J9/04 |
主分类号 |
B29C44/12 |
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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