Membrane filter press
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United States of America Patent
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Feb 5, 2008
Grant Date -
Nov 10, 2005
app pub date -
May 12, 2005
filing date -
Nov 12, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a membrane filter press. On operation of such a press a secure generation of the necessary pressing pressure can be guaranteed with a membrane filter press that has at least one membrane filter plate, a baseplate with thickened edge region, a membrane made from an elastically-deformable material, and a filter cloth. The novel membrane has an annular edge bead which lies in a complementary groove on the baseplate. A sealing groove is formed into the baseplate which opens out into the first-mentioned groove at both ends in the manner of a bypass. A complementary sealing projection, moulded on the annular bead, engages in the sealing groove with formation of a seal. The cavity enclosed between the groove and the sealing groove is preferably provided with at least one filtrate drain bore.
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