Permanently sealed threadless joint

Details Permanently sealed threadless joint Permanently sealed threadless joint

1982-07-22

1985-09-17

Callaghan, Thomas F.

Pipe joints or couplings

Deformed

Both members

29508, 285417, F16L 1314

Patent

active

045416591

ABSTRACT:
A joint is formed at adjacent ends of tubes (5, 7) by inserting the ends of the tubes into opposite ends of sleeve (1) until the tube ends engage centrally positioned inwardly extending protrusion (3). The sleeve (1) is crimped inwardly into frictional engagement with the tubes (5, 7), only at the middle portion and at the end portions of the sleeve to partially deform the sleeve and the tubes at the adjacent ends of the tubes and at positions of the tubes displaced from the tube ends.

REFERENCES:
patent: 2192914 (1940-03-01), Ice
patent: 3498648 (1970-03-01), Hallesy
patent: 3572779 (1971-03-01), Dawson
patent: 3893718 (1975-07-01), Powell
patent: 3893720 (1975-07-01), Moebius
patent: 3956815 (1976-05-01), Capper et al.
patent: 4035007 (1977-07-01), Harrison et al.
patent: 4061367 (1977-12-01), Moebius
patent: 4231596 (1980-11-01), Ridenour
patent: 4328982 (1982-05-01), Christianson
patent: 4330924 (1982-05-01), Kushner et al.
patent: 4482174 (1984-11-01), Puri

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