Baths – closets – sinks – and spittoons – Strainer – stopper – plug or closure – Combined strainer and pipe coupling
Patent
1983-10-04
1986-11-04
Callaghan, Thomas F.
Baths, closets, sinks, and spittoons
Strainer, stopper, plug or closure
Combined strainer and pipe coupling
4295, 138 89, 285 42, 285158, 285915, E03C 126
Patent
active
046203303
ABSTRACT:
Plastic plumbing joint assemblies of a universal nature are made available by this invention to provide with a single coupling unit construction a variety of different functions including clean-out access, pipe end dust covers or vents, drain assemblies, threaded pipe to plastic couplings, flush floor or wall mount, snap-in friction fit or permanent solvent welded installation, etc. The integral plastic plumbing coupling joint unit has an internally threaded barrel assembly and outside smooth cylindrical surface mating inside a plastic pipe. If flush fit thereon, a thin rim circumferential flange fits on a floor surface with a flush removable center closure plug for flush mount on a wall. A lower skirt below the threaded barrel presenting a smooth cylindrical inner surface can receive a plastic pipe internally. A thin cover plate or drain plate can be held on by one screw for flush floor mount. A screw in access plug flush mounts on a floor surface by means of indented wrench sockets and provides high pressure sealing capabilities.
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patent: 3445973 (1969-05-01), Stone
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patent: 4092745 (1978-06-01), Oropallo
patent: 4146939 (1979-04-01), Izzi
Brown Laurence R.
Callaghan Thomas F.
Plastic Oddities Inc.
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