Method of closing, compressing and opening of presses for membrane filters and apparatus for carrying out the method
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United States of America Patent
Stats
-
Oct 30, 1984
Grant Date -
N/A
app pub date -
Nov 1, 1982
filing date -
Nov 1, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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