Fluid handling – Systems – With flow control means for branched passages
Patent
1994-10-14
1996-12-10
Fox, John C.
Fluid handling
Systems
With flow control means for branched passages
13759616, 13759618, F16K 1102
Patent
active
055822096
ABSTRACT:
A valve block assembly for supplying air under pressure to an air operated mechanism of a glass container manufacturing machine comprising a valve block body, conduit means defined in the valve block body, a valve for controlling the flow of air under pressure to the conduit means and means for preventing the pressurization of the conduit means including a hole in the valve body block communicating with the conduit means, a sealing plug located within the hole, an axial bore in the sealing plug, an elongated pin slidingly received within the axial bore, one end of the pin being located within the conduit means and the other end of the pin being located outside of the block, a cylindrical member coaxially secured to the one end of the pin a cylindrical control plug having an axial bore through which the pin extends and a cylindrical recess for receiving the cylindrical member, sealing means for preventing the leakage of air between the pin and the control plug, sealing means for preventing the leakage of air between the control plug and the cylindrical member when the cylindrical member is located in the cylindrical recess, and an air passage extending from the surface of the pin adjacent the cylindrical member through the pin to the other end of the pin, so that when the cylindrical member is spaced from the control plug the conduit means will be in communication with the atmosphere outside the valve block body but that when the cylindrical member is located within the recess the conduit means can be pressurized.
REFERENCES:
patent: 4348942 (1982-09-01), Stoll
patent: 4415004 (1983-11-01), Bouteille et al.
Emhart Glass Machinery Investments Inc.
Fox John C.
Smith Spencer T.
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