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:
Oct. 15, 2013

Filed:

Jun. 02, 2006
Applicants:

Rickard Andersson, Matfors, SE;

Johan Bylander, Sundsvall, SE;

Magnus Henriksson, Sundsvall, SE;

Jörgen Lundberg, Sundsvall, SE;

Inventors:

Rickard Andersson, Matfors, SE;

Johan Bylander, Sundsvall, SE;

Magnus Henriksson, Sundsvall, SE;

Jörgen Lundberg, Sundsvall, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C 9/06 (2006.01); B01D 33/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a washing apparatus for washing of cellulose pulp comprising: a rotatable drum (), a stationary support (), a stationary cylindrical casing (), that encloses the drum, whereby an annular space () is defined between the casing and the drum, a number of seals () that are arranged on the casing and that seals between the casing and the drum, such that the annular space is divided in a formation zone (F), at least one washing zone (T, T), and a discharge zone (U), and at least a reinforcing frame rib (), that is attached to the casing. The reinforcing frame rib () extends around the entire casing () for fixing the casing in a predetermined form, whereby detrimental deformation of the casing (), when washing the paper pulp at overpressure, is prevented.


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