Liquid purification or separation – Filter – Supported – shaped or superimposed formed mediums
Patent
1975-11-10
1977-05-10
Nozick, Bernard
Liquid purification or separation
Filter
Supported, shaped or superimposed formed mediums
210331, 210346, 55369, 55381, B01D 2900
Patent
active
040226956
ABSTRACT:
A filter cloth for a leaf filter of a pressure vessel including a flat retaining sack or bag which encloses the leaf filter. An outlet opening is contained in the sack through which the filtered product can be extracted. A releasable closure device is provided along the greater part of one side edge of the sack to permit removal of the sack from the leaf filter for cleaning and replacement thereof. A reinforcing material is provided at the outlet opening to provide a tight seal about the outlet of the leaf filter. Preferably, the sack is substantially circular but may have any configuration conforming to the shape of the leaf filter.
REFERENCES:
patent: 1481931 (1924-01-01), Schumann
patent: 3542206 (1968-04-01), Geister
Howard Laurence M.
Schaaf Robert
Air Filters, Inc.
Nozick Bernard
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