Pipe coupling

Details Pipe coupling Pipe coupling

1981-10-05

1983-11-29

Arola, Dave W.

Pipe joints or couplings

Packed

Sleeve

285367, 285423, F16L 1704

Patent

active

044177550

ABSTRACT:
The invention is a pipe coupling particularly adapted for coupling together the ends of pipes that may or may not have annular end ribs, i.e. spigot beads. The coupling embodies a gasket into which the ends of the pipes are fitted. Deformable (semi-rigid) clamping members clamp around the gasket and the ends of the pipe. These members have shallow internal annular recesses. The gasket has diametrically opposed extending ears which are clamped between mating end parts forming lugs on the clamping members. The gasket has an integral external annular rib which fits into the annular recesses in the clamping members; pipes with spigot beads are accommodated in the annular recesses of the clamping members. The clamping members when clamped (torqued) deform to apply clamping pressure to the gasket throughout the entire circumference.

REFERENCES:
patent: 715222 (1902-12-01), Werth
patent: 2439979 (1948-04-01), Krooss
patent: 2721582 (1955-10-01), Hoke
patent: 2936186 (1960-05-01), Dunmire
patent: 3006663 (1961-10-01), Bowne
patent: 3084959 (1963-04-01), Stanton
patent: 3329446 (1967-07-01), Katis et al.
patent: 3341232 (1967-09-01), Deakins
patent: 3454287 (1969-07-01), Thiessen
patent: 3479066 (1969-11-01), Gittleman
patent: 3695638 (1972-10-01), Blakeley

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