Fluid handling – With cleaner – lubrication added to fluid or liquid sealing... – Cleaning or steam sterilizing
Patent
1986-09-24
1987-08-18
Chambers, A. Michael
Fluid handling
With cleaner, lubrication added to fluid or liquid sealing...
Cleaning or steam sterilizing
137312, 13761401, 13761406, 285320, F16L 3728
Patent
active
046870164
ABSTRACT:
An emergency release valve apparatus for releasably connecting a pair of pipes together includes a pair of tubular housings, a ball valve member, a rotating shaft and a retaining mechanism. Each housing is secured at one end to a respective one of the pipes. The housings include retaining portions having generally hemispherical interiors adjacent to their other ends. The housings are releasably coupled together so that the hemispherical interiors cooperate to define a generally spherical space inside the housings. The ball valve member is disposed in the spherical space, and includes a pair of generally hemispherical valve elements which are releasably coupled together and respectively accommodated in the retaining portions in sealing relation thereto. The ball valve member is rotatable about an axis of rotation and has a fluid passage formed therethrough. The rotating shaft is operable to rotate the ball valve member between an open position where the fluid passage of the ball valve member is in fluid communication with the housings and a closed position where the fluid communication of the fluid passage thereof with the housings is interrupted. The retaining mechanism retains each valve element in a respective one of the retaining portions in sealing relation thereto to close a respective one of the passages of the housings when the pipes are released from each other.
REFERENCES:
patent: 2712454 (1955-07-01), Love
patent: 2994341 (1961-08-01), Leopold, Jr. et al.
patent: 3106223 (1963-10-01), Cooper
patent: 3335999 (1967-08-01), Lowrey
patent: 3528447 (1970-09-01), Kolb
patent: 4004611 (1977-01-01), Friedell
Chambers A. Michael
Niigata Engineering Co. Ltd.
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