Transition pipe fitting

Details Transition pipe fitting Transition pipe fitting

1982-12-22

1985-05-28

Husar, Cornelius J.

Pipe joints or couplings

With casing, lining or protector

Lined

285139, 285174, 285343, 285351, 285353, F16L 3900

Patent

active

045196346

ABSTRACT:
A pipe fitting for interconnecting concentric pipes together to a gas meter unit includes a standard insulated O-ring union internally modified so as to include therein a substantially frusto-conical recess for mating engagement with a correspondingly shaped neoprene compression seal. The neoprene compression seal is disposed radially inwardly from the O-ring. A steel tube is swaged to a plastic gas conduit pipe and includes a flat washer welded to an upper portion thereof to resist pull out of the steel tube from the pipe fitting assembly.

REFERENCES:
patent: 918843 (1909-04-01), Glidden
patent: 1304126 (1919-05-01), Venable
patent: 1620692 (1927-03-01), Rigney
patent: 2025382 (1935-12-01), Fletcher et al.
patent: 2087920 (1937-07-01), Mascuch
patent: 2775472 (1952-11-01), Brown
patent: 2912262 (1955-04-01), Franck
patent: 3337181 (1967-08-01), Wennerstrom
patent: 3576335 (1971-04-01), Kowal et al.
patent: 3861719 (1975-01-01), Hand
patent: 4094536 (1978-06-01), Cole et al.
patent: 4094537 (1978-06-01), Lyall
patent: 4284297 (1981-08-01), Godkin

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