Filter press

Details Filter press Filter press

1977-09-08

1978-08-22

Hart, Charles N.

Liquid purification or separation

Sectional chamber press type

With residue removal or liquid agitation

210231, B01D 2538

Patent

active

041087771

ABSTRACT:
A filter press having a plurality of filter plates so supported between fixed and movable heads of the machine framework that the filter plates can selectively be separated from each other and compressed together to a substantially watertight closure between the fixed and movable heads. A filter medium is provided for each filter plate and is composed of a pair of filter webs covering respectively the opposed filtering surfaces of the filter plate. The filter webs are connected at their one end to a winding device and at their other end to a tensioning and winding roll assembly after having turned around a pair of juxtaposed guide rolls. Each tensioning and winding roll assembly is composed of a cylindrical roll and a biasing element for biasing the cylindrical roll in one direction with the filter webs forced to be wound therearound.

REFERENCES:
patent: 3647082 (1972-03-01), Ishigaki
patent: 3690462 (1972-09-01), Kurita
patent: 3698557 (1972-10-01), Ishigaki
patent: 3767052 (1973-10-01), Shibasaki
patent: 3807567 (1974-04-01), Iwatani
patent: 3968039 (1976-07-01), Inujima et al.

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