Press membrane from a rubber-elastic material

Details Press membrane from a rubber-elastic material Press membrane from a rubber-elastic material

2005-07-19

2005-07-19

Savage, Matthew O. (Department: 1724)

Liquid purification or separation

Sectional chamber press type

Medium clamped in joint

C210S231000, C210S350000, C100S197000, C100S211000

Reexamination Certificate

active

06919024

ABSTRACT:
The invention relates to a press membrane (9) for a filter plate (1′) of a filter press. Said press membrane consists of a rubber-elastic material and is supported by the filter plate (1′) while supporting a parallel filter cloth (14). An intermediate chamber defined between the press membrane (9) and the filter plate (1′) can be impinged upon with a pressure medium. The aim of the invention is to prevent an overload of the membrane material in the area of the supporting cams (6) and damages of the filter cloth (14) in said areas. To this end, the press membrane (9) is provided with transmission disks (12) in the area of the supporting cams (6), said transmission disks (12) consisting of a substantially harder material than the rubber-elastic material of the remaining press membrane (9) and being vulcanized into the rubber-elastic material.

REFERENCES:
patent: 4676079 (1987-06-01), Czauderna
patent: 4119166 (1992-12-01), None
patent: 4408388 (1995-09-01), None
patent: 0440205 (1991-08-01), None
patent: 979680 (2000-02-01), None
patent: 2069358 (1981-08-01), None

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