| 发明名称 |
Welding of plastic sealing webs in trench walls. |
| 摘要 |
According to the invention, plastic sealing webs drawn into trenches in an overlapping arrangement are joined by drawing a heating cartridge through between the overlapping edges of the webs. <IMAGE> |
| 申请公布号 |
EP0446390(A1) |
申请公布日期 |
1991.09.18 |
| 申请号 |
EP19900104769 |
申请日期 |
1990.03.14 |
| 申请人 |
HUELS TROISDORF AKTIENGESELLSCHAFT;SOLETANCHE |
发明人 |
SCHLUETTER, ALOYS;EVERS, GERARD;KAEWERT, KLAUS |
| 分类号 |
B09B1/00;B29C65/00;B29C65/20;E02D19/18 |
主分类号 |
B09B1/00 |
| 代理机构 |
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代理人 |
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