Liquid purification or separation – Filter – Pipe or plate attached type
Patent
1978-11-30
1980-02-26
Sever, Frank
Liquid purification or separation
Filter
Pipe or plate attached type
210486, B01D 3328
Patent
active
041905440
ABSTRACT:
A filter element is provided for use with a pressure disc filter. The inventive filter element includes a metal plate having a concave surface. A washer is provided for mounting the metal plate within a pressure disc filter while orienting the concave surface so that it faces upwardly within the pressure disc filter. A clamping ring is provided for holding a filter material above the concave surface. The inventive concept also includes a synthetic resin shield composed of one or more parts and fastened to the concave surface of the metal plate so as to protect this surface of the metal plate against contact with corrosive substances.
REFERENCES:
patent: 3491886 (1970-01-01), Glos et al.
Perry's Chemical Engineer's Hand Book, 4th Edition; pp. 23-26 & 23-57.
Meier Hanspeter
Schnellmann Ferdinand
Chemap A.G.
Sever Frank
Striker Michael J.
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