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:
Jun. 03, 2003
Filed:
Aug. 07, 2000
Applicant:
Inventors:
Klaus Doelle, Menasha, WI (US);
Robert J. Matz, Appleton, WI (US);
Assignee:
Voith Sulzer Paper Technology North America, Inc., Appleton, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B07B 1/04 ; D21D 5/02 ;
U.S. Cl.
CPC ...
B07B 1/04 ; D21D 5/02 ;
Abstract
A screening apparatus for screening acceptable and rejectable material from a pressurized fiber suspension includes a housing and a rotor within the housing. The rotor has a top end. A screen basket is positioned generally concentrically around the rotor. A rotor blade ring is connected to the top end of the rotor and rotates with the rotor. A stationary defibering ring is positioned adjacent to the rotor blade ring.