Method and apparatus for connecting sink off set from sewer

Details Method and apparatus for connecting sink off set from sewer Method and apparatus for connecting sink off set from sewer

2004-11-05

2009-10-06

Chang, Rick K (Department: 3726)

Metal working

Method of mechanical manufacture

Gas and water specific plumbing component making

C029S890140, C029S428000, C004S679000, C004S681000

Reexamination Certificate

active

07596865

ABSTRACT:
An apparatus and method for retrofitting a sink drain to a sewer pipe. A connector tube is provided with a preset curve that is cut at a selected location on the connector to provide a connection between the waste tee connector of a sewer line to a “P” connector. A “circularizing” tool is provided which shapes an elliptical end of a tube cut on a curve to a circle that telescopes into the nipple of a waste tube connector.

REFERENCES:
patent: 3771522 (1973-11-01), Waysilk et al.
patent: 4038737 (1977-08-01), Bretone, Jr.
patent: 4091518 (1978-05-01), Rutherford
patent: 4112567 (1978-09-01), Bretone, Jr.
patent: 6193879 (2001-02-01), Bowman
patent: 6651272 (2003-11-01), Bowman
patent: 6687926 (2004-02-01), Bayley
patent: 7293299 (2007-11-01), Trickel

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