Integral ferrule

Details Integral ferrule Integral ferrule

1987-12-11

1990-01-02

Arola, Dave W.

Pipe joints or couplings

Nonmetal to metal

Internal member

2853822, 285422, F16L 3320

Patent

active

048908673

ABSTRACT:
A coupling combination comprising a ferrule ring having a portion outwardly of the outer surface of said pipe and having an integral deformable ferrule arm extending longitudinally therefrom adjacent to the outer surface of the pipe, the ring being placed over the pipe such that the ring surrounds an end portion thereof; a cam ring also located outwardly of the outer surface of the pipe and longitudinally placed from the deformable ferrule arm, and having a curved surface arranged to deform the ferrule arm into the pipe upon longitudinal movement of the cam ring against the ferrule; and a plurality of bolts passing through a portion of the cam ring and into the ferrule ring for affecting such longitudinal movement.

REFERENCES:
patent: 2031825 (1936-02-01), Eastman
patent: 3222091 (1965-12-01), Marshall
patent: 3375026 (1968-03-01), Szohatzky
patent: 3429593 (1969-02-01), Scoblom
patent: 3895832 (1975-07-01), Ellis et al.
patent: 4585225 (1986-04-01), Ridenour
patent: 4634153 (1987-01-01), Kishton

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