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Refining element

  • US 6,592,062 B1
  • Filed: 09/10/2001
  • Issued: 07/15/2003
  • Est. Priority Date: 03/19/1999
  • Status: Expired due to Term
First Claim
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1. A refining element for use in a disk refiner, said refining element including an outer surface including a plurality of raised bars separated by a plurality of grooves therebetween, said plurality of raised bars including an upper surface defining a first longitudinal edge and at least one step defining a second longitudinal edge at an intermediate height between said first longitudinal edge and said outer surface of said refining element, said second longitudinal edge being interrupted by at least one intermediate portion which does not include said at least one step.

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