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:
Oct. 09, 2001
Filed:
Jul. 19, 1999
Nils Virving, Stockholm, SE;
Valmet Fibertech Aktiebolag, , SE;
Abstract
Feeding elements are disclosed for use in connection with refiners for lignocellulosic fibrous material including a stationary refiner, a rotary refiner mounted for rotation in juxtaposition with the stationary refiner thereby forming a refining gap therebetween, a feeder for feeding the lignocellulosic fibrous material centrally to a central feed zone within the refining gap and a refining zone extending radially outward from the central feed zone, the feeding element including a disk for mounting on the rotatable refiner at a central location in the central feed zone, the disk including at least one radially projecting strip extending from the central portion of the disk towards the outer circumference of the disk and including a body and a projecting portion extending laterally from the body at a location displaced from the upper surface of the disk for a major portion of the radially projecting strip.