Liquid purification or separation – Plural distinct separators – Filters
Patent
1984-06-14
1986-05-06
Fisher, Richard V.
Liquid purification or separation
Plural distinct separators
Filters
210347, 210452, 210453, 210486, 2105101, B01D 2502
Patent
active
045870160
ABSTRACT:
A filter, comprising in combination with a cartridge type filter element incorporating at least one cylindrical porous ceramic unit having a controlled pore diameter and a fixed wall thickness, opening at both ends and obtained by the steps of blending an aggregate of uniform, finely divided polyhedral particles of at least one kind of artificial raw material with an inorganic binder and an organic plasticizer, extrusion molding the resultant blend into a tube, and calcining the molded tube, which cylindrical porous ceramic unit is watertightly closed at one-end part thereof with an end plate and watertightly supported in place at the other-end part thereof with a bundling ring while the filtrate discharge duct defined by said cylindrical porous ceramic unit is allowed to form a filtrate discharge path; a case encircling said filter element; and a cover provided with a filtrate discharge path communicating with the empty space intervening between said case and said filter element, and adapted to seal tightly the upper end of said case.
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Fisher Richard V.
Hueschen Gordon W.
Millard Wanda L.
Shiki Roll Kabushiki Kaisha
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