Presses – Methods – With separation from material of liquid expressed
Patent
1982-11-01
1984-10-30
Feldman, Peter
Presses
Methods
With separation from material of liquid expressed
100269A, 100219, 100237, 100195, 100199, 100204, 210230, B30B 906, B30B 1300
Patent
active
044794266
ABSTRACT:
The invention relates to a method of closing, compressing and opening filter presses for membrane filters with a stationary upper yoke (7) and a lower yoke (6) movable on vertical press columns (2) and has for its object to improve the service and buildup of such membrane filter presses. This is achieved according to the invention by a method in which a loose lifting tool (10) is fitted under the movable yoke (6) and set in operation, whereby the yokes and the press plates situated therebetween are pressed against each other whereupon the movable yoke (6) is locked in the position taken and, upon opening of the press, is released whereupon the lifting tool is set out of operation and is removed.
An apparatus for carrying out the method is characterized in that, between the movable yoke (6) and an abutment (4) there is an interspace (14) in which a lifting tool (10) can be placed and set in operation or out of operation. On the columns between the yokes (6, 7) there is a fixable stopping means (15) with a shoulder (16) which can be placed under an arbitrary press plate (17) and retain it when the movable yoke (6) is lowered.
REFERENCES:
patent: 25488 (1859-09-01), Clark
patent: 230429 (1880-07-01), McGowan
patent: 499515 (1893-06-01), Burke
patent: 749140 (1904-01-01), Hack
patent: 2500791 (1950-03-01), Baldwin
patent: 3565398 (1971-02-01), Floria
patent: 3847818 (1974-11-01), Madsen et al.
Alfa-Laval AB
Feldman Peter
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