Pleated and sealed filter cartridge with connected film

Details Pleated and sealed filter cartridge with connected film Pleated and sealed filter cartridge with connected film

1985-10-21

1987-07-14

Fisher, Richard V.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

2104932, 55498, 55499, 55502, 55521, B01D 2706

Patent

active

046801189

ABSTRACT:
A cartridge filter comprises a pleat-type porous membrane having a longer length than an effective filtering surface thereof; upper and lower end plates; a plurality of segmented cylindrical core members disposed between the upper and lower end plates; and protective caps for fastening and sealing an upper and lower reminder of the pleat-type porous membrane other than the effective filtering surface thereof. Each of said end plates is provided with a plurality of fins, each of which is covered by the pleat-type porous membrane. The pleat-type porous membrane is folded at each corner of respective end plates and fastened firmly between the end plate and the protective cap by melting means, adhesion or sealing means.

REFERENCES:
patent: 3457339 (1969-07-01), Pall et al.
patent: 3815754 (1974-06-01), Rosenberg
patent: 3834134 (1974-09-01), McAllister
patent: 3867294 (1975-02-01), Pall et al.
patent: 3979295 (1976-09-01), Markley
patent: 4033881 (1977-07-01), Pall
patent: 4104170 (1978-08-01), Nedza
patent: 4133661 (1979-01-01), Strnad
patent: 4154688 (1979-05-01), Pall
patent: 4172797 (1979-10-01), Robichaud et al.
patent: 4386948 (1983-06-01), Choksi et al.
patent: 4402830 (1983-09-01), Pall
patent: 4479874 (1984-10-01), Rosenberg et al.
patent: 4512892 (1985-04-01), Ganzi et al.
patent: 4522719 (1985-06-01), Kuwajima et al.
patent: 4536291 (1985-08-01), Hoffman et al.

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