发明名称 |
FILZ FUER HOCHTZEMPERATUR-FILTRATION. |
摘要 |
A high temperature filter felt comprising a scrim and an entangled batt. The machine-direction component of the scrim is made up of intermeshed continuous filament yarns which are 40 to 75% glass fibers and 25 to 60% poly(tetrafluoroethylene) fibers. The fiber of the cross-machine direction component of the scrim is glass, poly(tetrafluoroethylene), aramid, polyacrylate, polyphenylene sulfide or blends of these fibers or the bulked yarn previously described at the machine-direction yarn. |
申请公布号 |
DE68905411(D1) |
申请公布日期 |
1993.04.22 |
申请号 |
DE1989605411 |
申请日期 |
1989.09.08 |
申请人 |
E.I. DU PONT DE NEMOURS AND CO., WILMINGTON, DEL., US |
发明人 |
WYSS, KURT HANS, CH-1217 MEYRIN, CH |
分类号 |
B01D39/16;B01D39/08;B01D39/20;D04H5/00;D04H5/02;D04H13/00 |
主分类号 |
B01D39/16 |
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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