E - Fixed Constructions – 03 – C
Patent
E - Fixed Constructions
03
C
E03C 1/23 (2006.01) F16K 1/04 (2006.01) F16K 1/46 (2006.01)
Patent
CA 2538537
A pop-up valve, comprising an internally threaded screw nut, and positioned in a circumjacent manner around a cylindrical waste drain pipe. A complementary, externally threaded screw bolt, is threadably engageable with the screw nut, and also circumjacent the cylindrical waste drain pipe. A seal element is positioned on the screw nut, and is vertically movable towards the bottom of a sink, as a result of corresponding vertical movement of the screw bolt.
Li Keping
Yao Pingsheng
Gowling Lafleur Henderson Llp
Xiamen Lota International Co. Ltd.
LandOfFree
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