CPC Subgroup
B01D 25/12 Filter presses, i.e. of the plate or plate and frame type
Full Title
Filters formed by clamping together several filtering elements or parts of such elements (disc filters B01D29/39) > Filter presses, i.e. of the plate or plate and frame type
6 direct subcodes
Child Classifications
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- B01D 25/127 with one or more movable filter bands arranged to be clamped between the press plates or between a plate and a frame during filtration, e.g. zigzag endless filter bands (B01D25/172, B01D25/176, B01D25/19 take precedence)
- B01D 25/164 Chamber-plate presses, i.e. the sides of the filtering elements being clamped between two successive filtering plates (B01D25/127, B01D25/172, B01D25/176, B01D25/19 take precedence)
- B01D 25/172 Plate spreading means (removal of filter cakes B01D25/32)
- B01D 25/176 attaching the filter element to the filter press plates, e.g. around the central feed hole in the plates
- B01D 25/19 Clamping means for closing the filter press, e.g. hydraulic jacks
- B01D 25/21 Plate and frame presses (B01D25/172, B01D25/176, B01D25/19 take precedence)