Clamp with teeth for grooved pipes

Details Clamp with teeth for grooved pipes Clamp with teeth for grooved pipes

1990-06-21

1991-10-22

Arola, Dave W.

Pipe joints or couplings

With fluid pressure seal

Flexible lip

285373, 285582, 285419, 285328, F16L 1704

Patent

active

050589318

ABSTRACT:
Each half of a bifurcated circumferential clamp includes a pair of spaced apart internally oriented semicircular ridges for engaging grooves formed at the end of abutting pipes. Teeth extending adjacent the ridges penetrate the groove walls to physically lock the clamp with the pipes. A circular gasket bridging the abutting pipes and held in place by the clamp seals the junction between the pipes.

REFERENCES:
patent: 2473102 (1949-06-01), Knooss
patent: 2778661 (1957-01-01), Leighton
patent: 3024046 (1962-03-01), Frost et al.
patent: 3054629 (1962-09-01), Piatek
patent: 3116078 (1963-12-01), Scherer
patent: 3251615 (1966-05-01), Short, III
patent: 3351352 (1967-11-01), Blakeley et al.
patent: 3761149 (1973-09-01), Blakeley
patent: 3966237 (1976-06-01), Thiesson
patent: 4522434 (1985-06-01), Webb
patent: 4664422 (1987-05-01), Straub

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