Pipe joints or couplings – Packed – Gland
Patent
1995-03-06
1996-08-06
Nicholson, Eric K.
Pipe joints or couplings
Packed
Gland
285393, 285298, 285169, 42523, F03C 100, F16L 2700, F16L 1900
Patent
active
055427189
ABSTRACT:
An adjustable plumbing conduit for connecting the inlet of a flush valve body and the outlet of a control valve wherein the flush valve body inlet has interior threads and the control valve outlet has exterior threads. The adjustable plumbing conduit includes an adjustable tail having an exterior thread on a portion thereof and a tapered nose which is in contact with an interior mating surface on the control valve outlet. There is an outward projection on the adjustable tail adjacent the tapered nose, which outward projection coacts with an inwardly directed shoulder of a coupling nut which is threaded onto the exterior of the control valve inlet and thereby holds the adjustable tail to the control valve. There is a sleeve having interior and exterior threads, with the interior threads attaching the sleeve onto the exterior of the adjustable tail and the exterior threads attaching the sleeve into the flush valve threaded inlet.
REFERENCES:
patent: 883122 (1908-03-01), Steneck
patent: 931940 (1909-08-01), Madden
patent: 1003770 (1911-09-01), McDonald
patent: 1592224 (1926-07-01), Pieper
patent: 1707087 (1929-03-01), Little
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patent: 3686695 (1972-08-01), Mielbalk et al.
patent: 4777669 (1988-10-01), Rogus
patent: 4900180 (1990-02-01), Takikawa
patent: 4968067 (1990-11-01), Whiteside
Gronwick Jerry P.
Koniewicz Leonard A.
Nicholson Eric K.
Sloan Valve Company
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