Vacuum ampule filtration device

Details Vacuum ampule filtration device Vacuum ampule filtration device

1988-04-15

1990-10-30

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

210 85, 2103216, 2104161, B01D 2901

Patent

active

049667580

ABSTRACT:
A manual liquid filtration device includes a housing having an open upper end providing access to an internal vacuum chamber, and defining a liquid specimen receiving chamber with a filter element adapted for fluid communication with the vaccum chamber. A sealed frangible ampule is contained within the housing. The ampule is evacuated and when broken will produce a vacuum within the housing. The vacuum draws liquid samples through the filter element.

REFERENCES:
patent: 4272479 (1981-06-01), Huneke et al.
patent: 4557902 (1985-12-01), Mussmann
patent: 4639316 (1987-01-01), Eldegheidy

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