Valves and valve actuation – With correlated flow path – Pipe coupling or union
Patent
1976-01-28
1977-05-17
Cline, William R.
Valves and valve actuation
With correlated flow path
Pipe coupling or union
251315, 251316, F16K 506
Patent
active
040237737
ABSTRACT:
A true union ball valve comprising a body having a continuous axial chamber; a rotatable ball in the center of the chamber; a cylindrical seal carrier on each side of the ball, the diameter of the inner portion of each seal carrier being approximately equal to the diameter of the chamber and the diameter of the outer portion of each seal carrier being less than the diameter of the chamber to define an abutment in the outer surface of each seal carrier and a radial space between the outer portion of each seal carrier and the body; the body having an internal groove therein, perpendicular to the axis thereof, surrounding each radial space; a split locking ring positioned around each seal carrier, in the radial spaces; and a cam ring extendable into each radial space, from the ends of the valve body, between the seal carriers and the locking rings, for expanding the locking rings into the grooves in the valve body thereby wedging the locking rings between the grooves in the body and the abutments on the seal carriers to lock the seal carriers in the body.
REFERENCES:
patent: 2736529 (1956-02-01), Songel
patent: 3039484 (1962-06-01), Bredtschneider
patent: 3323542 (1967-06-01), Magos et al.
patent: 3550902 (1970-12-01), Pidgeon et al.
patent: 3731904 (1973-05-01), Valince
patent: 3780986 (1973-12-01), Fujiwara
patent: 3916940 (1975-11-01), Allen
Cline William R.
Georg Fischer Aktiengesellschaft
Hinderstein Philip M.
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