发明名称 |
Laminated visco-elastic support |
摘要 |
A laminated support for pressure-relief including an upper layer of visco-elastic foam, a middle layer of visco-elastic foam having a greater hardness, and a bottom layer of highly resilient polyurethane foam. These layers are sandwiched between two layers of reticulated filter polyurethane foam.
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申请公布号 |
US6159574(A) |
申请公布日期 |
2000.12.12 |
申请号 |
US19950458968 |
申请日期 |
1995.06.02 |
申请人 |
FAGERDALA WORLD FOAMS AB |
发明人 |
LANDVIK, DAG;ALLAWAY, MICHAEL B. |
分类号 |
A47C27/15;B32B5/18;B32B7/02;(IPC1-7):B32B5/32 |
主分类号 |
A47C27/15 |
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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