Title:
REFINING SEGMENT
Document Type and Number:
Japanese Patent JP3414813
Kind Code:
B2
Abstract:
PURPOSE: To obtain a refining segment for a disc refiner for defibering and processing lignosellulose-containing fiber material.
CONSTITUTION: The refining segment has the shape of a circular sector and a refining surface with bars and intermediate grooves extending across substantially the entire refining surface. The bars are oblique in relation to the radius of the refining segment and the angle of the bars in relation to the radius is greatest closest to the center and thereafter decreased in radial outward direction. the angle closest to the center is in the interval 20-45° and one farthest out is in the interval -10-+20°.
Inventors:
Nils Beving
Application Number:
JP274994A
Publication Date:
June 09, 2003
Filing Date:
January 14, 1994
Export Citation:
Assignee:
Barmet, Huay Verteck, Actie Evorague
International Classes:
D21B1/14; B02C7/12; D21D1/30; (IPC1-7): D21D1/30; D21B1/14
Domestic Patent References:
| JP474002A |
Other References:
【文献】米国特許927077(US,A)
【文献】米国特許1114339(US,A)
【文献】米国特許2931586(US,A)
【文献】米国特許1091654(US,A)
【文献】米国特許1114339(US,A)
【文献】米国特許2931586(US,A)
【文献】米国特許1091654(US,A)
Attorney, Agent or Firm:
Yoshio Kawaguchi (2 outside)