发明名称 |
Process 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 |
US2005087283(A1) |
申请公布日期 |
2005.04.28 |
申请号 |
US20040942663 |
申请日期 |
2004.09.16 |
申请人 |
BEGEMANN MICHAEL;WIRTH JURGEN;RAFFEL REINER |
发明人 |
BEGEMANN MICHAEL;WIRTH JURGEN;RAFFEL REINER |
分类号 |
B29C39/24;B29C39/16;B29C41/28;B29C43/28;B29C43/48;B29C44/30;B29C44/32;B29C67/24;B29K75/00;B29K105/04;B29L9/00;B29L31/10;B32B5/20;(IPC1-7):B32B31/04 |
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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