Faucet for preventing cold water from flowing to hot water tube

Details Faucet for preventing cold water from flowing to hot water tube Faucet for preventing cold water from flowing to hot water tube

2005-08-16

2005-08-16

Lee, Kevin (Department: 3753)

Fluid handling

Systems

Flow path with serial valves and/or closures

C137S454600, C137S854000

Reexamination Certificate

active

06929029

ABSTRACT:
A water control valve of a faucet comprises a water control body; a water-stop ring having a water outlet slot; a water guiding disk having a round shape; a lateral surface of the water guiding disk being formed with a protrusion for resisting against a lower annular surface of the water control body; a water inlet seat being at a lowest end of the water-control valve; the water inlet seat having a recess; a through hole being formed in a center of the recess and a plurality of water inlets being positioned around the through hole; and a water-stop unit having a base and a tapered rod extends from a center of the base; the base resisting against a bottom of the recess and located upon the plurality of water inlets; and an annular flange being formed on the tapered rod near the base.

REFERENCES:
patent: 4570899 (1986-02-01), Kingham
patent: 5329957 (1994-07-01), Semchuck et al.
patent: 5355906 (1994-10-01), Marty et al.
patent: 5996614 (1999-12-01), Ashton

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