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Infeed disc for disc-type refiners

  • US 4,191,338 A
  • Filed: 04/19/1978
  • Issued: 03/04/1980
  • Est. Priority Date: 06/03/1977
  • Status: Expired due to Term
First Claim
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1. An infeed disc for a disc refiner comprising a plate unit having a first aperture for mount thereof to and rotation by a drive shaft, said plate unit having an infeed face and an operating face and at least one additional aperture forming an infeed passage one end of which opens from said infeed face and the other of which opens from said operating face, said passage being skewed and essentially curved as it extends from said one end thereof to the other and said other end of said passage being circularly offset from said one end thereof in a path about said first aperture.

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