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:
Oct. 07, 2025
Filed:
Apr. 17, 2020
Applicant:
Metso Outotec Finland Oy, Tampere, FI;
Inventors:
Mirva Mustakangas, Pirkkala, FI;
Ismo Juvonen, Rauha, FI;
Janne Kaipainen, Halsua, FI;
Teemu Eloranta, Luumäki, FI;
Mika Illi, Vantaa, FI;
Kari Vänttinen, Espoo, FI;
Assignee:
Metso Finland Oy, Espoo, FI;
Primary Examiner:
Int. Cl.
CPC ...
B01D 25/28 (2006.01); B01D 25/164 (2006.01); B01D 25/21 (2006.01); B01D 35/14 (2006.01);
U.S. Cl.
CPC ...
B01D 25/285 (2013.01); B01D 25/164 (2013.01); B01D 25/215 (2013.01); B01D 35/14 (2013.01); B01D 2201/34 (2013.01);
Abstract
A filter diaphragm for a horizontal plate and frame-type filter, such as a tower press, including a sheet like body and at least on a filter plate-facing side thereof, a continuous seal bead. The seal bead includes an inner seal lip on a lateral inside of the seal bead and an outer seal lip surrounding the inner seal lip on a lateral outside of the seal bead. The outer seal lip is elevated from the inner seal lip in a vertical direction perpendicular to a general plane defined by the diaphragm.