Fluid handling – Systems – Multi-way valve unit
Patent
1984-10-29
1987-05-05
Schwadron, Martin P.
Fluid handling
Systems
Multi-way valve unit
137595, 251186, 251325, F16K 3110
Patent
active
046624007
ABSTRACT:
For precision dispensing of fluids particularly for medical applications, a face valve has a valve member mounted for linear sliding movement across the face of a valve body, which has fluid passages therethrough, between positions in which respectively the valve member seals the ends of the fluid passages at the valve body face and a channel in the valve member connects the ends of the fluid passages. The valve body is of a hard corrosion resistant metal and the valve member is of bearing plastic material, both materials being inert to the fluids being dispensed. The valve is pressed against the face of the valve body by a spring which is oriented in a particular way to optimize valve life.
REFERENCES:
patent: 1117070 (1914-11-01), Longan
patent: 2792019 (1957-05-01), Lieser
patent: 3386461 (1968-06-01), Fisher
patent: 3451651 (1969-06-01), Rood
patent: 3642020 (1972-02-01), Payne
patent: 3776276 (1973-12-01), Stiltner
patent: 4053283 (1977-10-01), Schneider et al.
patent: 4420142 (1983-12-01), Dworak et al.
patent: 4493476 (1985-01-01), Strickland et al.
patent: 4535808 (1985-08-01), Johanson et al.
American Hospital Supply Corporation
Novack Sheri M.
Schwadron Martin P.
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