Filter element and method for manufacturing the plates thereof

Liquid purification or separation – Filter – Supported – shaped or superimposed formed mediums

Reexamination Certificate

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Details

C210S498000, C029S896620

Reexamination Certificate

active

07143899

ABSTRACT:
A filter element for pulp screens comprising at least two plates separated by a distance from each other, wherein one plate has a number of projections formed thereon, and the projections being directed towards the other plate. The plates are attached to each other at the projections.

REFERENCES:
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patent: 5330644 (1994-07-01), Nilsson
patent: 5443723 (1995-08-01), Stankowski et al.
patent: 6059966 (2000-05-01), Brandhofer et al.
patent: 691 252 (2001-06-01), None
patent: 0126213 (1984-11-01), None
patent: 2 009 404 (1994-03-01), None
patent: 2 078 866 (1997-05-01), None
patent: 2 126 472 (1999-02-01), None
patent: WO 94/26389 (1994-11-01), None

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