Pipe couplings

Details Pipe couplings Pipe couplings

1981-06-03

1983-12-27

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

With holding means functioning only during transportation...

285322, 285379, 285DIG22, F16L 5500

Patent

active

044226730

ABSTRACT:
A pipe coupling includes a nut in which a collet, a back-up member and an anti-extrusion washer are retained by means of an axially split ring which is detachably engageable in a peripheral groove in the back-up member and engaged in a recess in the nut. The anti-extrusion washer has an extrusion press fitted into the member. This construction permits the various parts to be easily assembled into the nut without the risk of damaging the ring or the screw-threading in the nut.

REFERENCES:
patent: 4138145 (1979-02-01), Lawrence

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