Fluid coupling

Details Fluid coupling Fluid coupling

1988-11-08

1990-02-27

Reese, Randolph A.

Pipe joints or couplings

Essential catch

With manipulator

285318, 285362, 285903, F16L 3722

Patent

active

049040022

ABSTRACT:
A fluid coupling for a corrugated pipe, comprising a coupling body having an axial through hole and a cylindrical outer peripheral surface, metallic seal means arranged at a pipe insertion portion of the axial through hole, for sealing an end portion of a corrugated pipe, a first sleeve having a first end portion, slidably mounted on the outer peripheral surface of the coupling body and urged axially outward, ring-shaped engaging members adjoining the first end portion of the sleeve and reducible in diameter, and retaining means surrounding the sleeve and the engaging members so as to be movable relative to the coupling body and the sleeve, the retaining means being adapted to reduce the diameter of the engaging members so that the engaging members are forced into root portions of the corrugated pipe, whereby the engaging members are held in a predetermined axial position.

REFERENCES:
patent: 1710416 (1929-04-01), Goeller
patent: 1738216 (1929-12-01), Wallace
patent: 2503169 (1950-04-01), Phillips
patent: 2731058 (1956-01-01), Smisko
patent: 2961630 (1960-11-01), Duncan
patent: 3425026 (1969-01-01), Theunissen
patent: 3635501 (1972-01-01), Thorne-Thomsen
patent: 3649052 (1972-03-01), Snyder, Jr.
patent: 3871691 (1975-03-01), Takagi et al.
patent: 3934902 (1976-01-01), McNamee
patent: 4014467 (1977-03-01), Ferguson
patent: 4437691 (1984-03-01), Laney
patent: 4630850 (1986-12-01), Saka
patent: 4674775 (1987-06-01), Tajima

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