发明名称 |
Seal for plug and socket connection between two concrete pipes comprises sealing ring fitted with solid or hollow rolling ring which assists fitting, but is torn off when pipes are connected |
摘要 |
The seal for a plug and socket connection between two concrete pipes comprises a sealing ring (1). This is fitted with a solid or hollow rolling ring (3) which assists fitting, but is torn off when the pipes are connected.
|
申请公布号 |
DE10148986(A1) |
申请公布日期 |
2002.05.08 |
申请号 |
DE20011048986 |
申请日期 |
2001.10.04 |
申请人 |
PHOENIX AG |
发明人 |
HASSE, HARTMUT |
分类号 |
E03F3/04;F16L21/025;(IPC1-7):F16L21/03;E03F5/02 |
主分类号 |
E03F3/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|