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:
May. 12, 1992
Filed:
Apr. 29, 1991
Applicant:
Inventors:
Antti Tohkala, Rauma, FI;
Esko Unkuri, Nakkila, FI;
Assignee:
Sunds Defibrator Rauma Woodhandling Oy, Pori, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B27L / ; B27C / ;
U.S. Cl.
CPC ...
144373 ; 144172 ; 144174 ;
Abstract
Method and chipping device for cutting chips (10) from elongated pieces of wood (5) in a manner that the wood to be chipped is fed into a rotating cylinder (1) and chips are cut of the side of the piece of wood by ranges of blades formed by several blades (7) inside the cylinder surface. The wood to be chipped (5) is directed to the cylinder in a manner that the angle between the pieces of wood (5) and the ranges of blades is acute. Each piece of wood to be chipped is in contact with two or more blades (7) in different range of blades during the cutting.