发明名称 |
METHOD OF LINING A PIPE |
摘要 |
<p>The tubular lining material is a film of polythene or similar impermeable material bonded to a layer of woven polyester fibres or similar fibrous material. The fibrous layer is impregnated with a resin before being drawn into the piping to ensure it fills the available space. The purpose is to renovate or convert subterranean piping without the need to replace or lay new piping systems.</p> |
申请公布号 |
PH13386(A) |
申请公布日期 |
1980.03.25 |
申请号 |
PH19750000143 |
申请日期 |
1973.02.27 |
申请人 |
INSITUFORM PIPES & STRUCTURES |
发明人 |
WOOD ERIC |
分类号 |
B29C53/36;B29C63/00;B29C63/04;B29C63/28;B29C63/34;B29D23/00;B32B1/08;B32B5/02;B32B5/24;B32B27/04;B32B27/12;B32B33/00;E03B7/00;E03F3/04;E03F3/06;E21D5/00;E21D11/00;E21D11/38;F16L9/147;F16L55/165;F16L55/18;F16L57/00;F16L58/10;F16L59/02 |
主分类号 |
B29C53/36 |
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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