Tensile ring composite pipe coupling

Details Tensile ring composite pipe coupling Tensile ring composite pipe coupling

1979-11-28

1982-02-09

Arola, Dave W.

Pipe joints or couplings

With strain relief

285 41, 285369, 285381, 2853822, 2853827, 285422, F16L 1304

Patent

active

043147186

ABSTRACT:
The invention is a composite pipe coupling having a corrosion resistant liner which seals pipes to be coupled by utilization of a heat recoverable metallic material and having a pair of complementary heat recoverable metallic tensile rings and an external support structure which supplement the tensile strength of said liner, and of the overall coupling.

REFERENCES:
patent: 351263 (1886-10-01), Hemphill
patent: 1115411 (1914-10-01), Dixon
patent: 2984899 (1961-05-01), Richter
patent: 3287034 (1966-11-01), Bragg
patent: 3524665 (1970-08-01), Hohn et al.
patent: 3730562 (1973-05-01), Viazzi
patent: 3827727 (1974-08-01), Moebius
patent: 3836182 (1974-09-01), Miller
patent: 3872573 (1975-03-01), Nichols et al.
patent: 4070044 (1978-01-01), Carrow
patent: 4124231 (1978-11-01), Ahlstone
patent: 4135743 (1979-01-01), Hughes

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