发明名称 |
Non-woven needle-punched filter fabric |
摘要 |
A non-woven needle-punched filter fabric for use in a geocomposite having a filter face and a laminating face, the fabric having a first filter and cushion zone adjacent the filter face produced from spun bond, continuous filament, a second stiff and bend resistant zone adjacent the first zone produced from a blend of staple non-fusible fiber and staple fusible fiber, and a third zone at the laminating face produced from fiber from both the first and second zones whereby the third zone has a hairy characteristic which facilitates laminating the fabric to a drainage net or a geogrid.
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申请公布号 |
US5877096(A) |
申请公布日期 |
1999.03.02 |
申请号 |
US19970851271 |
申请日期 |
1997.05.05 |
申请人 |
THE TENSAR CORPORATION |
发明人 |
STEVENSON, PETER EDWARD;KING, JEFFREY |
分类号 |
E02B11/00;E02D29/02;(IPC1-7):E02B11/00 |
主分类号 |
E02B11/00 |
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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