发明名称 |
FLUSH VALVE ANTI-BACKFLOW CARTRIDGE |
摘要 |
<p>A flush valve has a valve body having an inlet and an outlet, a piston disposed in the valve body between the inlet and the outlet, a cartridge disposed in the outlet and a plurality of check valves disposed serially within the cartridge for preventing backflow through the outlet and wherein vacuum effects are minimized.</p> |
申请公布号 |
CA2733773(C) |
申请公布日期 |
2014.04.01 |
申请号 |
CA20112733773 |
申请日期 |
2011.03.11 |
申请人 |
MASCO CANADA LIMITED |
发明人 |
STAUDER, FRANK A.;DU, XAN VY;KROPINIEWICZ, ROBERT |
分类号 |
E03D1/34;E03D5/00 |
主分类号 |
E03D1/34 |
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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