Title:
The Conical rotor refiner plate element which has curved Bar and serrate leading edge
Document Type and Number:
Japanese Patent JP6066469
Kind Code:
B2
Abstract:
A convex conical refining plate segment for a mechanical refiner of lignocellulosic material including: a convex conical refining surface on a substrate, wherein the refining surface is adapted to face a concave conical refining surface of an opposing refiner plate, the convex conical refining surface including bars and grooves between the bars, wherein each bar is at an angle with respect to a radial line corresponding to the bar, and the angle at the inlet to the bars is within 20 degrees of the radial line, the angle increases at least 15 degrees and the angle is 10 to 45 degrees at the periphery of the refining surface, and wherein the bars each include a leading sidewall having an irregular surface having protrusions extending outwardly from the sidewall or recesses extending inwardly from the sidewall.
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Inventors:
Rack Ginglas
Application Number:
JP2012180815A
Publication Date:
January 25, 2017
Filing Date:
August 17, 2012
Export Citation:
Assignee:
Andritz Incorporated
International Classes:
D21D1/26; B02C7/06; B02C7/12
Domestic Patent References:
| JP2010518272A | ||||
| JP2000502600A | ||||
| JP3092793U | ||||
| JP3113086A | ||||
| JP47004002A | ||||
| JP2006249651A |
Attorney, Agent or Firm:
Shizuo Nakamura