Filling device

Details Filling device Filling device

1987-03-27

1989-04-04

Cuchlinski, Jr., William A.

Fluent material handling, with receiver or receiver coacting mea

Evacuation apparatus

222310, 222373, B67D 500

Patent

active

048176877

ABSTRACT:
A filling device for sterile filling of containers. A flexible temporary storage container is placed in a dosage chamber and exposed to external over-pressure and under-pressure, respectively. The filling goods is sucked into the temporary storage container and pressed out to the final storage container.
A device for fine adjustment of the volume of the chamber has the shape of an adjustable membrane.
In one embodiment the temporary storage container comprises two semi-spheres, of which one is rigid and the other flexible. The flexible part forms a membrane having an area equal to the inner area of the rigid semi-sphere. In order to promote natural rolling of the membrane on the inner surface of the rigid semi-sphere, the membrane has reduced wall thickness in a direction towards the margins thereof.

REFERENCES:
patent: 285477 (1983-09-01), Garsed
patent: 1878220 (1932-09-01), Willshaw et al.
patent: 2352187 (1944-06-01), Ellinwood
patent: 2653552 (1953-09-01), Geeraert
patent: 2918250 (1959-12-01), Hosking
patent: 3133692 (1964-05-01), Smith
patent: 3442293 (1969-05-01), Erdmann

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