| 发明名称 |
Sandwich elements in the form of slabs, shells and the like |
| 摘要 |
Sandwich elements in the form of slabs, shells and the like, consisting of facings and a rigid polyurethane foam core can be joined together in an airtight and watertight manner when they are provided with edge profiles which are cast from casting materials forming flexible polyurethane foam and which have a groove and a tongue.
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| 申请公布号 |
US5348778(A) |
申请公布日期 |
1994.09.20 |
| 申请号 |
US19930143279 |
申请日期 |
1993.10.26 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
KNIPP, ULRICH;SKOUPI, DIETER |
| 分类号 |
B32B3/06;E04C2/292;(IPC1-7):B32B1/08;B65D90/02;E04B2/32;E04C2/34;E04C2/38 |
主分类号 |
B32B3/06 |
| 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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