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. 06, 2001
Filed:
Nov. 24, 1999
Applicant:
Inventors:
Johann Sbaschnigg, Graz, AT;
Wilhelm Mausser, Graz, AT;
Franz Petschauer, Lannach, AT;
Johannes Kappel, Graz, AT;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 3/306 ;
U.S. Cl.
CPC ...
B01D 3/306 ;
Abstract
The invention relates to a device for dewatering and washing fibre stock suspensions with two counter-rotating rolls (,), a stock feed (,) and a stock discharge (,). It is mainly characterized by the headbox (,) at the two rolls (,) being arranged separately in the lower section of the rolls (,), and a discharge screw (,) being foreseen for discharge of the filter mat below the gap between the two rolls (,) and a washing zone (,″) in the upper part of the rolls (,).