发明名称 |
BACKFLOW PREVENTION DEVICE |
摘要 |
The back-pressure safeguard consists of a funnel-shaped membrane and of a clamping device for fastening in the pipe. The clamping device consists of an expansion part which widens the membrane to the pipe cross section and presses it against the pipe wall and of a supporting part which supports the expansion part against the pipe wall. |
申请公布号 |
CA2857612(A1) |
申请公布日期 |
2013.06.06 |
申请号 |
CA20122857612 |
申请日期 |
2012.11.29 |
申请人 |
LASSO TECHNIK AG |
发明人 |
ROHRER, DANIEL;WASER, ROGER |
分类号 |
E03F7/04;F16K15/14 |
主分类号 |
E03F7/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|