Extended area filters

Details Extended area filters Extended area filters

1976-01-14

1977-04-26

Granger, Theodore A.

Liquid purification or separation

With repair or assembling means

210DIG15, 210483, 210499, 425199, B01D 2900

Patent

active

040199878

ABSTRACT:
An extended-area filter for filtering plastic stock at high pressures has a breaker plate with an undulating surface confronting the oncoming stock which substantially doubles the available filter area. Screen packs having fixed therein the same surface configuration are supported uniformly on the undulating surface against collapse under the operating pressure.

REFERENCES:
patent: 2878512 (1959-03-01), Davis
patent: 2923972 (1960-02-01), DeGhetto
patent: 3112525 (1963-12-01), Mozlek
patent: 3210229 (1965-10-01), Leine
patent: 3263819 (1966-08-01), Schmidt et al.
patent: 3620375 (1971-11-01), Atkins
patent: 3728061 (1973-04-01), Mott
patent: 3746642 (1973-07-01), Bergstram
patent: 3811659 (1974-05-01), Taylor et al.
patent: 3817377 (1974-06-01), Piggott
patent: 3947361 (1976-03-01), Jackson

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