发明名称 |
Apparatus for the production of polyurethane sandwich elements |
摘要 |
The present invention relates to a process for the continuous production of polyurethane sandwich elements comprising an upper outer layer and a lower outer layer and a layer of cellular polyurethane lying in between, which is firmly bonded to the outer layers. This invention also relates to an apparatus suitable for the production of polyurethane sandwich elements as described above. |
申请公布号 |
US7278842(B2) |
申请公布日期 |
2007.10.09 |
申请号 |
US20040942663 |
申请日期 |
2004.09.16 |
申请人 |
HENNECKE GMBH |
发明人 |
BEGEMANN MICHAEL;WIRTH JUERGEN;RAFFEL REINER |
分类号 |
B29C39/24;B29C39/16;B29C41/28;B29C43/28;B29C43/48;B29C44/30;B29C44/32;B29C44/46;B29C67/24;B29K75/00;B29K105/04;B29L9/00;B29L31/10;B32B5/20 |
主分类号 |
B29C39/24 |
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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