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:
Nov. 29, 2016
Filed:
Oct. 13, 2011
Applicants:
Franz Petschauer, Lannach, AT;
Stefan Hansen, Graz, AT;
Klaus Poeschl, Graz, AT;
Inventors:
Assignee:
ANDRITZ AG, Graz, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B 5/14 (2006.01); D21F 2/00 (2006.01); D21F 3/02 (2006.01); D21F 3/04 (2006.01); D21F 9/00 (2006.01);
U.S. Cl.
CPC ...
F26B 5/14 (2013.01); D21F 2/00 (2013.01); D21F 3/0254 (2013.01); D21F 3/04 (2013.01); D21F 9/003 (2013.01);
Abstract
A method for dewatering a fibrous material web, wherein fibrous material is applied via a headbox on at least one wire and is subsequently dewatered in order to form a fibrous material web. Following the wire section, the resulting fibrous material web is dewatered by several presses, wherein the first press through which the fibrous material web is guided following the headbox is equipped with a double nip. The first press is formed by a wire roll and two couch rolls which are each pressed against the wire roll for forming a nip. Also disclosed is a corresponding device for carrying out the method.