发明名称 |
Shut-off member |
摘要 |
In order to reduce the conveying costs for sewage, the invention proposes a shut-off member which seals a through-passage duct via a displaceable closure part. In this arrangement, provision is made for an opening, in the seat part and closure part, which is in connection with the surroundings.
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申请公布号 |
DE3602971(A1) |
申请公布日期 |
1987.11.05 |
申请号 |
DE19863602971 |
申请日期 |
1986.01.31 |
申请人 |
SCHLUFF,REINHOLD,DIPL.-ING. |
发明人 |
SCHLUFF,REINHOLD,DIPL.-ING. |
分类号 |
E03F1/00;E03F7/02;(IPC1-7):E03F7/02;F16K3/00 |
主分类号 |
E03F1/00 |
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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