Tube joint

Details Tube joint Tube joint

1978-03-20

1980-05-13

Callaghan, Thomas F.

Pipe joints or couplings

Packed

With cooperating opposed packing grooves

29157R, 29416, 29455R, 285365, 285DIG4, F16L 2300, F16L 4700

Patent

active

042025680

ABSTRACT:
In a joint between two tubes having a corrugated outer wall and a smooth or corrugated inner wall the tubes are cut to form each an open annular space between said walls at the end. A sealing ring is received by the spaces, and the tubes are pressed against the sealing ring by means of a lock ring tightened about the tube ends.

REFERENCES:
patent: 144997 (1873-11-01), Mayall
patent: 411130 (1889-09-01), Robinson
patent: 544943 (1895-08-01), Woodside
patent: 3240501 (1966-03-01), Smith
patent: 3259262 (1966-07-01), Grossman et al.
patent: 3498649 (1970-03-01), Pfeuffer
patent: 3951439 (1976-04-01), Schmunk
patent: 4037626 (1977-07-01), Roberts, Jr.

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