Disposable rolling diaphragm filling unit

Details Disposable rolling diaphragm filling unit Disposable rolling diaphragm filling unit

1994-09-27

1996-07-30

Freay, Charles

Pumps

Motor driven

Fluid motor

417454, 417566, 417 53, 92 98R, F04B 4306

Patent

active

055405681

ABSTRACT:
The head, rolling diaphragm, intake and discharge ports form a single module, separate and easily removable from the principle cylinder of a rolling diaphragm filling unit. The rolling diaphragm may be fixed or removably attached to the head. Intake and discharge valves of various types may be mounted directly in the head, or may be mounted remote to the head module and fluidly connected directly to the head by tubing. Flanges of the rolling diaphragm provide an air and liquid tight seal between the head and base and removably attached to the head so as to facilitate visual inspection of the product contact surfaces of the head cavity prior to clamping the head module to the base.

REFERENCES:
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patent: 3496874 (1970-02-01), Findlay
patent: 3701614 (1972-10-01), Guidicelli
patent: 3771907 (1973-11-01), Neumann et al.
patent: 3880053 (1975-04-01), Trechsel et al.
patent: 4212416 (1980-07-01), Bennett
patent: 4265600 (1981-05-01), Mandroian
patent: 4334838 (1982-06-01), Fessler et al.
patent: 4569378 (1986-02-01), Bergandy
patent: 4778356 (1988-10-01), Hicks
patent: 4948349 (1990-08-01), Koiwa
patent: 4971523 (1990-11-01), Wacker et al.
patent: 5154589 (1992-10-01), Ruhl et al.
patent: 5282724 (1994-02-01), Reynolds

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