Fluid handling – With repair – tapping – assembly – or disassembly means – With disassembly tool engaging feature
Reexamination Certificate
2007-06-19
2007-06-19
Lee, Kevin (Department: 3753)
Fluid handling
With repair, tapping, assembly, or disassembly means
With disassembly tool engaging feature
C137S801000
Reexamination Certificate
active
11157191
ABSTRACT:
A hot/cold water tube connection structure for plastic faucets comprises a hot/cold water connector tube made up of a valve seat and a coupling tube wherein the valve seat has a screw tube extending downwards at the bottom of a stop ring, and a sealing ring mounted at an appropriate position of the screw tube thereon to form engaging rings at both sides thereof. The coupling tube has an oblique face indented at one end edge against which a water-sealing hoop mounted at a screw joint of a water inlet tube is securely abutted, and a coupling joint with an internal screw thread section disposed at the inner wall of the other end thereof. Therefore, the connector tube assembled can avoid the problem of gaps found in the conventional tube connection structure, and facilitate an easer replacement thereof due to its separate type of design for economical and eco-protection purposes.
REFERENCES:
patent: 1069876 (1913-08-01), Houser
patent: 3190306 (1965-06-01), Staat et al.
patent: 3234958 (1966-02-01), Butters
patent: 4548224 (1985-10-01), McLaughlin
patent: 5464045 (1995-11-01), Niemann et al.
patent: 6874527 (2005-04-01), Meeder
Lee Kevin
Troxell Law Office PLLC
LandOfFree
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