Pipe joints or couplings – Connector for conduit housing electromagnetic line: – Including swivel
Patent
1980-06-26
1982-04-06
Callaghan, Thomas F.
Pipe joints or couplings
Connector for conduit housing electromagnetic line:
Including swivel
4211, F16L 4102
Patent
active
043232701
ABSTRACT:
This invention relates generally to fittings used in plumbing systems, and more particularly relates to a new and improved construction for a fitting device of the type for use intermediate of and connecting water closets, sinks, baths, basins or the like with the main waste or soil pipe and with the main vent pipe. In the invention, such fitting device may be employed advantageously in new construction or in the repair of existing plumbing systems such as in re-modeling or the like. The fitting is of a unitary, one-piece construction made from a plastic material having a hollow cylindrical body with an inlet end and an outlet end. Intermediate the inlet and outlet ends, there is an integral transversely extending hub section of a generally figure-eight construction defined by an oppositely disposed pair of superposed vent and/or waste openings adapted for use as a vent and/or waste for the plumbing system.
REFERENCES:
patent: 622326 (1899-04-01), Burnett
patent: 911748 (1909-02-01), McGuire
patent: 1152974 (1915-09-01), Rice
patent: 1362718 (1920-12-01), McNamara
patent: 2237672 (1941-04-01), Kennedy
patent: 2439712 (1948-04-01), Brady
patent: 2866981 (1959-01-01), McMinn
patent: 3850459 (1974-11-01), Blumenkranz et al.
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