Pipe joint assembly

Details Pipe joint assembly Pipe joint assembly

1992-09-14

1994-07-12

Bradley, P. Austin

Pipe joints or couplings

Essential catch

Coil spring

285322, 285323, 285105, F16L 3900, F16L 2106

Patent

active

053282159

ABSTRACT:
A coupling assembly for use in connecting one end of a first tubular member to a component of a piping system includes a receiving tubular member defining an opening adapted to receive the first tubular member, the receiving tubular member having an inner portion defining an inner bore dimensioned to receive the one end and an outer portion defining an internal annular cavity intersecting the inner bore and projecting radially outwardly therefrom, the annular cavity comprising an annular wall portion tapered radially inwardly and projecting longitudinally toward the opening. Also included in the assembly is an annular seal member and a lock ring both disposed in the annular cavity between the first tubular member and the receiving tubular member, the lock ring having an outer circumferential surface portion adapted to engage said tapered wall portion and an inner circumferential surface portion adapted to engage an external wall portion of the first tubular member.

REFERENCES:
patent: 3724880 (1973-04-01), Seiler
patent: 3815940 (1974-06-01), Luckenbill
patent: 4586734 (1986-05-01), Grenier

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