The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 03, 1991
Filed:
Mar. 12, 1990
Jurgen Fresenius, Bad Schwalbach, DE;
Passavant-Werke AG, , DE;
Abstract
The plate filter press is designed for removing water from product and sewage sludges and includes several filter plates displacably suspended on horizontal carriers. Each of the filter plates includes grooves formed thereon leading to outlet openings located in corners of the plates. The grooves are covered by a filter cloth stiffened by a supporting fabric. Each of the corners further includes a stopper inserted into the outlet opening of the corner with each of stopper provided with a plate-like cover member and a through opening to allow filtrate to pass under the cover member and through the outlet opening. The filter cloth and the supporting fabric are secured in relation to the cover member of the stopper such that, in use, the outlet opening of the plate will remain unclogged.