B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
182/29
B01D 25/12 (2006.01) B01D 25/21 (2006.01)
Patent
CA 1196291
Abstract of the Disclosure A filter-press plate assembly has a substantially rigid support plate having a face formed of a central region and an outer periphery bounding the region, a substantially rigid annular frame having an annular face at least closely confronting the support-plate face at the periphery, and a generally planar and elastically deformable central filter panel formed integrally with the frame and engageable with the central region within the periphery. The filter panel forms a pressurizable chamber with the support plate so that pressurization of the chamber can press a filter cloth lying on the filter panel toward another such filter cloth of an adjacent such assembly. An annular groove formed at the outer periphery in one of the faces is open toward the other face and an annular ridge formed on and projecting from the other face fits in this groove. Respective seal rings are recessed in the plate and frame and project oppositely therefrom at the outer periphery. The plate-face seal ring engages the frame face and the frame-face seal ring engages the plate face at the outer periphery. To hold the support plate and frame together the ridge is of increasing thickness away from the one face and measured parallel thereto and the groove is generally complementarily formed, so that the frame and plate snap together.
428859
Heckl Franz
Herget Herbert
Lenser Verwaltungs-G.m.b.h.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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