Pipe joints or couplings – Essential catch – Resilient ring
Patent
1985-05-28
1987-09-01
Callaghan, Thomas F.
Pipe joints or couplings
Essential catch
Resilient ring
285348, 285353, 285356, F16L 1900
Patent
active
046904360
ABSTRACT:
A pipe coupling having an annular gasket deformed and compressed within a closed gasket chamber to form a seal for a pressurized hydraulic line, for example, one wall of the gasket chamber being formed by the outer surface of a pipe end portion which is to be connected either to a second pipe end portion or to a wall port. The axial width of the gasket chamber is determined by an abutment of the end face of the pipe end portion which transmits the abutment force to a threaded clamping sleeve or, as the case may be, to a coupling nut with the aid of a snap ring which engages a peripheral groove of the pipe end portion and a thrust shoulder of the threaded clamping sleeve. The pipe-to-pipe version of the coupling has two annular gaskets inside identical gasket chambers on opposite axial sides of a centering sleeve which surrounds both pipe end portions.
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Callaghan Thomas F.
Geiger Joseph A.
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