Filament wound pipe coupling

Details Filament wound pipe coupling Filament wound pipe coupling

1977-12-29

1980-07-22

Callaghan, Thomas F.

Pipe joints or couplings

Packed

Sleeve

156173, 156425, 285383, 285423, F16L 2102, F16L 4700

Patent

active

042136415

ABSTRACT:
The pipe coupling includes a hollow cylindrical body and pipe registering means projecting radially inward therefrom centrally thereof. The body has a pair of inner annular grooves respectively adjacent opposite ends for the reception of sealing rings. Both the body and the pipe registering means are formed of glass fiber reinforced thermosetting resin and each contains glass filament windings. A plastic film strip between the body and the pipe registering means maintains them separate as the resin of both is cured. Thereafter, any cracking of the pipe registering means will leave the body intact and a good pipe joint will be maintained.

REFERENCES:
patent: 2751237 (1956-06-01), Conley
patent: 2878038 (1959-03-01), Noland
patent: 3179445 (1965-04-01), Moretti
patent: 3575445 (1971-04-01), French
patent: 3623930 (1971-11-01), Grosh
patent: 3733233 (1973-05-01), Griffiths
patent: 3765979 (1973-10-01), Thomas
patent: 4106797 (1978-08-01), Michael

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