Joints for pipes, particularly intended for the oil industry

Details Joints for pipes, particularly intended for the oil industry Joints for pipes, particularly intended for the oil industry

1981-07-15

1984-01-17

Scanlan, Jr., Richard J.

Pipe joints or couplings

With means blocking release of holding means

Thread lock

285 3, 285321, 285381, 285390, F16L 1500, F16L 3500, F16L 3900, F16L 2500

Patent

active

044261055

ABSTRACT:
Joint for pipes of the type in which an end of a male member (1) provided with a thread is screwed into a female member (2) having a corresponding thread.
On its outer surface, the male member has a circumferential groove (9) and on the inner surface the female member has a circumferential groove (10) which, in the screwed position, faces the groove of the male member. A spring ring (12) is provided to simultaneously engage in the said grooves. At least one of the grooves has an adequate radial depth to permit the retraction of the spring ring when the male member is engaged in the female member.

REFERENCES:
patent: 2341670 (1944-02-01), Stinson
patent: 2450453 (1948-10-01), Boehm
patent: 3405956 (1968-10-01), Pierce, Jr.
patent: 3528686 (1970-09-01), Nelson
patent: 3585803 (1971-06-01), Bardgette
patent: 3880451 (1975-04-01), Kinzbach

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