Pipe joints or couplings – With casing – lining or protector
Patent
1975-03-14
1976-11-02
Arola, Dave W.
Pipe joints or couplings
With casing, lining or protector
174 84R, 285286, 285294, F16L 1112
Patent
active
039892816
ABSTRACT:
A system for joining aluminum pipe designed as a housing for electrical cable surrounded with oil under pressure is provided. The aluminum pipe sections which are to be joined are filament wound. The pipe sections are joined by welding or soldering. Sealing rings are filament wound into bonding engagement with the exterior of each pipe section near the mating ends thereof. The ends of the pipe are bare aluminum. A sleeve encompassing the joined pipes extends over at least the bare aluminum ends of the joined pipe sections. A cavity formed between the sleeve and the joined pipe sections is filled with a thermosetting polymeric compound which is cured. The joint system is designed to prevent both corrosion of the pipe and oil leakage past the sealing rings in the event of failure of a weld or solder joint.
REFERENCES:
patent: 3003798 (1961-10-01), Sandlin
patent: 3623968 (1971-11-01), Bohne
patent: 3731710 (1973-05-01), Bauer et al.
patent: 3744823 (1973-07-01), Muir
patent: 3854756 (1974-12-01), Couch
patent: 3901281 (1975-08-01), Morrisey
Arola Dave W.
Hercules Incorporated
Keehan Michael B.
LandOfFree
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