Pipe coupling and pipe joint connection

Details Pipe coupling and pipe joint connection Pipe coupling and pipe joint connection

1979-09-11

1981-10-27

Arola, Dave W.

Pipe joints or couplings

Particular interface

Annular socket

285350, 285355, 285369, 285379, 285383, F16L 1706

Patent

active

042969549

ABSTRACT:
A pipe coupling has a main body including (a) a threaded portion adapted for threaded engagement with an inside-coated pipe having a mating threaded end portion, (b) an annular groove and (c) an annular projection, the members (a), (b) and (c) being located on the inside circumferential surface of the main body in this recited order from each open end of the main body toward the central portion thereof, a short cylindrical body having one end abutting the annular projection and being mounted within the main body, and an annular packing mounted within the space defined by the threaded portion (a), said annular groove and the peripheral surface of the cylindrical body. A pipe joint connection is provided by threadedly engaging inside-coated pipes with the threaded portions of the coupling. The pipe coupling of the invention permits a leakage-free pipe joint connection on the job by simply threading inner-coated steel pipes and threadedly connecting these pipes through the coupling.

REFERENCES:
patent: 1368196 (1921-02-01), Peck
patent: 1682635 (1928-08-01), Smith
patent: 1909478 (1933-05-01), Wilson
patent: 2915322 (1959-12-01), Dunlop
patent: 3100656 (1963-08-01), MacArthur
patent: 3472533 (1969-10-01), Turner
patent: 4002359 (1977-01-01), Lari

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