发明名称 |
STOPPER FOR FLANGED BRANCH PIPES |
摘要 |
FIELD: mechanical engineering. SUBSTANCE: invention relates to device designed for temporary blanking of branch pipes with flanges at hydraulic testing of pipeline valves and fittings. Lever-type straightener consisting of different-arm levers is installed in inner space of stopper housing. Longer arms of levers engage with center of diaphragm closing inner space of housing. Shorter arms engage with thrust ring pressing diaphragm or sealing ring to flange. Levers proper rest on housing. EFFECT: improved reliability of stopper owing to simplification of design. 2 cl, 2 dwg
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申请公布号 |
RU2202723(C2) |
申请公布日期 |
2003.04.20 |
申请号 |
RU20010115458 |
申请日期 |
2001.06.05 |
申请人 |
OTKRYTOE AKTSIONERNOE OBSHCHESTVO "IKAR";KURGANSKIJ ZAVOD TRUBOPROVODNOJ ARMATURY |
发明人 |
SHANAURIN A.L.;MAKAROV V.V.;CHERYKOV L.A.;NEKRYLOV V.M.;SIMANOV A.N.;DERJAGIN N.E. |
分类号 |
F16J13/20 |
主分类号 |
F16J13/20 |
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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