发明名称 |
ANORDNING FOR TILBAKESTROEM-BLOKKERING I LEDNINGER MED FALL |
摘要 |
<p>Back flow blocker in sloping pipes, comprising a well vat (10) provided with an inlet (14) and an outlet (15) to be connected to the pipe. A tube (16) provided within the well vat and being connected at a first end to the inlet and opening at a second end in the well vat is arranged as a floating tube and is pivotally mounted in said first end to be pivoted in vertical direction from an essentially horizontal normal position when water is accumulated in the well vat maintaining said second end above the level of the water in the well vat.</p> |
申请公布号 |
NO163294(B) |
申请公布日期 |
1990.01.22 |
申请号 |
NO19880005734 |
申请日期 |
1988.12.23 |
申请人 |
PERSSON, MATS;WARNQUIST, KJELL |
发明人 |
PERSSON, MATS;WARNQUIST, KJELL |
分类号 |
E03F;E03F7/04;(IPC1-7):E03F7/04 |
主分类号 |
E03F |
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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