Automatic filling machine-valve assembly

Details Automatic filling machine-valve assembly Automatic filling machine-valve assembly

1976-04-30

1978-03-14

Schwadron, Martin P.

Fluid handling

Systems

With selective motion for plural valve actuator

222333, 251 9, 251137, G01F 1104, F16K 706

Patent

active

040785831

ABSTRACT:
A valving mechanism for an automatic filling machine for transferring liquid pre-measured doses to receptacles such as oral dispensers, nebulizer injectors, vials and hypodermic syringes. The automatic filling machine includes a piston type pump which is connected to a supply reservoir for the liquid and to an individual receptacle to be filled by flexible, compressible tubing. Alternately energized alternating current solenoids reciprocate a pivotally mounted lever which alternately closes one of the flexible tubes and opens the other to permit the piston pump to draw liquid from the reservoir and pump it to the receptacle. The valving mechanism includes two adjustable screws, one for each flexible tubing, to pre-compress each tube. Over-compression of the tubes is precluded by an audible warning afforded by the solenoids themselves.

REFERENCES:
patent: 3450152 (1969-06-01), Quellette
patent: 3575161 (1971-04-01), London
patent: 3963151 (1976-06-01), North

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