发明名称 |
Liner with a tubular film that is coated with a nonwoven |
摘要 |
The invention relates to a liner for producing a lining tube for carrying out sewer pipe renovation work, comprising at least one layer consisting of at least one tubular, resin-impregnated fiber band and a tubular film located on said at least one fiber band. The aim of the invention is to improve a liner of this type. To the end, a plastic film used for producing the tubular film has a reinforcement in the form of a nonwoven layer on the side facing towards the resin-impregnated fiber bands.
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申请公布号 |
US6679966(B1) |
申请公布日期 |
2004.01.20 |
申请号 |
US20010979772 |
申请日期 |
2001.11.26 |
申请人 |
BRANDENBURGER JOACHIM;BETZ LEO WILHELM;ALLMANN LUDWIG |
发明人 |
BRANDENBURGER JOACHIM |
分类号 |
F16L11/08;B29C53/58;B29C63/34;B29L23/00;B32B1/08;B32B5/00;B32B27/36;F16L11/12;F16L55/165;(IPC1-7):F16L55/165;B32B31/00 |
主分类号 |
F16L11/08 |
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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