Pipe joint

Details Pipe joint Pipe joint

1994-10-27

1996-01-09

Arola, Dave W.

Pipe joints or couplings

Particular interface

285379, 285917, F16L 2500

Patent

active

054823323

ABSTRACT:
A pair of tubular joint members each have a gasket holding annular protuberance on an abutting end face thereof. The protuberance has an inner peripheral surface continuous with the inner peripheral surface of the joint member, and a sealing face adapted to intimately contact an end face of of a gasket at a position radially outward from the inner peripheral surface thereof. The sealing face is most protuberant at a position radially outward from an inner edge thereof. When the most protuberant end of the sealing face comes into contact with the gasket end face, a clearance is formed between the portion of the sealing face radially inward from the protuberant end and the radially inward portion of the gasket end face. The clearance is eliminated by the deformation of the gasket when the pipe joint is tightened up.

REFERENCES:
patent: 4650227 (1987-03-01), Babuda et al.
patent: 4854597 (1989-08-01), Leigh
patent: 5087085 (1992-02-01), McGarvey

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