| 发明名称 |
Thermal insulation containing corrugated nonwoven web of polymeric microfiber |
| 摘要 |
Thermal insulation contains a corrugated nonwoven web and a means for retaining the shape of a corrugated web. The shape-retaining means is not coextensive with the corrugated nonwoven web and is secured to the valleys of the corrugations. The corrugated nonwoven web has a solidity of 0.1 or less and contains microfiber and crimped staple fibers that have a percent crimp of at least 15 percent.
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| 申请公布号 |
US5639700(A) |
申请公布日期 |
1997.06.17 |
| 申请号 |
US19950449517 |
申请日期 |
1995.05.23 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
BRAUN, DAVID L.;STEFFEN, JAMES E.;VENKATAPATHY, RAJU |
| 分类号 |
B01D39/00;A41G7/00;A62B23/02;B01D39/02;B01D39/08;B01D39/16;B01D46/00;B01D46/10;B01D46/30;B01D46/52;B01D46/54;B29C53/28;B29C65/08;B31F1/30;B32B3/28;B32B5/08;B32B5/26;D04H1/00;D04H1/54;D04H13/00;F16L59/02;(IPC1-7):D03D3/00 |
主分类号 |
B01D39/00 |
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