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.

Date of Patent:
Jun. 24, 2014

Filed:

Dec. 15, 2011
Applicants:

Hans Lövgren, Sundsvall, SE;

Leif Öd-mark, Matfors, SE;

Inventors:

Hans Lövgren, Sundsvall, SE;

Leif Öd-mark, Matfors, SE;

Assignee:

Valmet AB, , SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 1/66 (2006.01); D21F 1/80 (2006.01); D21F 9/00 (2006.01); D21C 9/18 (2006.01);
U.S. Cl.
CPC ...
D21F 1/66 (2013.01); D21F 1/80 (2013.01); D21F 9/003 (2013.01); D21C 9/18 (2013.01);
Abstract

A method and apparatus for processing pulp is disclosed including opposed endless wires conveyed in the same direction and defining a web-forming space therebetween for dewatering the web, a pair of perforated dewatering tables supporting the endless wires for pressing the wires towards the web, the first perforated dewatering table ending upstream of the second perforated dewatering table, and a press roll downstream of the back end of the first perforated dewatering table and opposed to the back end of the second perforated dewatering table to form a nip between the press roll and the back end of the second perforated dewatering table, which has a profiled surface that interacts with the press roll to prolong the nip between the press roll and the back end of the second perforated dewatering table.


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