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:
Mar. 01, 2011
Filed:
Jan. 11, 2008
Applicants:
Peter Antensteiner, Lewisburg, PA (US);
Barry Hodge, Hughesville, PA (US);
Inventors:
Peter Antensteiner, Lewisburg, PA (US);
Barry Hodge, Hughesville, PA (US);
Assignee:
Andritz Inc., Glens Falls, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 7/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A refiner plate for mechanical refiner of lingocelluosic material, the refiner plate including: a refining surface including bars and grooves, wherein the bars each have an upper section including a leading edge and a lower section including a root at a substrate of the plate; the upper section of the bars has a narrow width and a draft angle less than five degrees, and the lower section of the bars has a wide width greater than the narrow width of upper section and a draft angle of at least five degrees on at least one sidewall of the bar.