Vacuum filter

Details Vacuum filter Vacuum filter

1980-03-10

1981-11-17

Hruskoci, Peter A.

Liquid purification or separation

Filter

Vacuumized filtrate receiver

210455, 210476, 422101, B01D 2900

Patent

active

043010105

ABSTRACT:
A vacuum filter funnel useful for separating solids from liquids. The funnel has a vacuum intake member which forms an airtight seal with a filtrate container, and also forms an airtight seal with an upper funnel member which has a perforated bottom. A threaded sleeve member fits within the upper funnel member and assists in holding the filter medium above the perforated bottom.

REFERENCES:
patent: 65515 (1867-06-01), Spencer
patent: 2449238 (1948-09-01), Lightfoot
patent: 3010583 (1961-11-01), Kenyon
patent: 3437211 (1969-04-01), Lindsey
patent: 3788483 (1974-01-01), Conway
patent: 4116844 (1978-09-01), Hein et al.
patent: 4247399 (1981-01-01), Pitesky
patent: 4251366 (1981-02-01), Simon et al.

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