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:
Sep. 21, 2004
Filed:
Nov. 05, 2002
Applicant:
Inventors:
Peter Scheucher, Kumberg, AT;
Rudolf Stadlauer, Eggersdorf, AT;
Assignee:
Andritz AG, Graz, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B30B 9/06 ;
U.S. Cl.
CPC ...
B30B 9/06 ;
Abstract
The invention relates to a screw press for separating liquids from solid-liquid mixtures, especially pulp suspensions, which has a casing provided with liquid passages, especially divided into segments, a screw rotating inside the casing, a shaft, preferably hollow, and a suspension feed area. It is primarily characterised by a filtrate shell being provided directly at one or several screen baskets ′ and by discharge openings being provided in the lower part of the shell