发明名称 |
Method of welding sealing strips in earth trenches |
摘要 |
According to the invention, the welding of sealing strips in earth trenches is facilitated by the locks to be welded to the margins of the sealing strips being filled with asphaltic bitumen screeding compound or grease which prevents ingress of bentonite in the sealing gap of the locks. |
申请公布号 |
DE3733388(A1) |
申请公布日期 |
1989.04.13 |
申请号 |
DE19873733388 |
申请日期 |
1987.10.02 |
申请人 |
NIEDERBERG-CHEMIE GMBH |
发明人 |
SCHLUETTER,ALOYS;THEODOR PYLEN,JOHANNES;ROESLER,HANS-JUERGEN;WITOLLA,CHRISTIAN |
分类号 |
B29C65/18;B29C65/72;E02D19/18;F16B5/00 |
主分类号 |
B29C65/18 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|