Coupling device for tubular members

Details Coupling device for tubular members Coupling device for tubular members

1977-08-29

1979-01-30

Arola, Dave W.

Pipe joints or couplings

Packed

Wedge

285350, 2853827, F16L 1108

Patent

active

041368975

ABSTRACT:
A coupling device includes a nut releasably engaging a body which receives a tubular member. A sleeve which attaches to the nut telescopes over the tubular member and includes grooves for gripping the tubular member and an undercut recess for carrying a seal. An outer recess on the sleeve receives an inturned flange on the nut for attaching the nut and sleeve. A leading edge on the sleeve abuts the body and the inturned flange is movable from a first cylindrical section formed by the outer recess to a second cylindrical section via a tapered surface to radially contract the sleeve thereby engaging the grooves with the tubular member. The nut carries a major portion of the sleeve and the seal within an inner bore on the nut and the sleeve, seal and nut comprise a unitary assembly for telescoping over the tubular member.

REFERENCES:
patent: 2059920 (1936-11-01), Weatherhead
patent: 2466527 (1949-04-01), Wolfram
patent: 2522785 (1950-09-01), Hanson
patent: 3290069 (1966-12-01), Davis
patent: 3582115 (1971-01-01), Clague
patent: 3695640 (1972-10-01), Clague
patent: 3857591 (1972-12-01), Voss
patent: 3879070 (1975-04-01), Russ
patent: 4037864 (1977-07-01), Anderson et al.

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