发明名称 |
AUSKLEIDUNG VON LEITUNGEN UND VERFAHREN ZU DEREN HERSTELLUNG |
摘要 |
In the tubular lining material composed by rolling tubularly a sheet-like unwoven fabric, stitching mutually both side edges thereof to obtain a tubular unwoven fabric having a stitched part and forming a continuous synthetic resin tubular coating layer on the surface of this tubular unwoven fabric, as the coating layer is thicker than other parts, the elongation of the stitched part is prevented and pinholes would not occur in the stitched part when the pipeline is repaired. <IMAGE> |
申请公布号 |
DE69534432(D1) |
申请公布日期 |
2005.10.13 |
申请号 |
DE1995634432 |
申请日期 |
1995.11.09 |
申请人 |
ASHIMORI INDUSTRY CO. LTD., OSAKA |
发明人 |
MAEMOTO, YUKIKAZU;SAITO, HITOSHI |
分类号 |
B29C47/02;B29C53/38;B29C63/00;B32B27/12;F16L55/165;(IPC1-7):B29C63/36;B24B21/06;A23L1/08 |
主分类号 |
B29C47/02 |
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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