Expressing plate for use in filter press

Details Expressing plate for use in filter press Expressing plate for use in filter press

1979-04-18

1980-03-25

Castel, Benoit

Liquid purification or separation

Sectional chamber press type

Plates or frames

B01D 2512

Patent

active

041949773

ABSTRACT:
An expressing plate comprises a core plate, a pair of flexible fluid-tight sheets applied to the front and back of the core plate and cylindrically connected together at the central prefilt passage bore of the core plate to define a prefilt passage throughgoing bore, an annular body fitted between the core plate throughgoing bore and cylindrical portion of the sheets, and annular body slipping-off preventing members applied to the front and back of the fitting boundary region between the annular body and the core plate to extend over both the core plate and annular body. The slipping-off preventing members are fixed to at least either the core plate or the annular body.

REFERENCES:
patent: 3737041 (1973-06-01), Kitajima et al.
patent: 3957645 (1976-05-01), Kurita et al.
patent: 3988242 (1976-10-01), Kurita

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