Valves and valve actuation – With correlated flow path – Valve operated by joining flow path sections
Patent
1989-10-13
1991-06-25
Michalsky, Gerald A.
Valves and valve actuation
With correlated flow path
Valve operated by joining flow path sections
285 86, F16L 3740
Patent
active
050260251
ABSTRACT:
A hose joint with an opening-closing valve comprises: a cylinder member having an axial bore, a center bore projecting from the inner surface of the axial bore in the direction of the center of the axis, and a ring-shaped valve seat in which one end surface of the valve seat constitutes a valve seating surface; a valve body comprising a shaft-shaped portion and a head portion formed at one end of the shaft-shaped portion, and an O-ring for sealing between the outer surface of the shaft-shaped portion and the inner surface of the center bore when the head portion is in contact with the valve seating surface; and a spring for urging the valve body in the direction of allowing the head portion of the valve body to come into contact with the valve seating surface. The operation of engaging an insert pipe member, fixed to a hose, with the cylinder member opens the valve seat and the valve body. Disengagement of the insert pipe member from the cylinder member closes the valve seat and the valve body. In a hose using the opening-closing valve, the axial bore is shut off by both the head portion and the O-ring of the valve body to provide a seal. The O-ring is replaceable.
REFERENCES:
patent: 2727759 (1955-12-01), Elliott
patent: 3217746 (1965-11-01), Voisine
patent: 3537730 (1970-11-01), Kresin
patent: 3566918 (1971-03-01), Rauen
patent: 3583667 (1971-06-01), Amneus
patent: 4541457 (1985-09-01), Blenkush
patent: 4613112 (1986-09-01), Philpot et al.
patent: 4683905 (1987-08-01), Vigneau et al.
patent: 4792164 (1988-12-01), Medvick
Michalsky Gerald A.
Tokai Rubber Industries Ltd.
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