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:
Jun. 16, 1998
Filed:
Dec. 31, 1996
Applicant:
Inventors:
Paul Roux, Trussville, AL (US);
Timothy P Nettles, Carthage, NY (US);
Hannu Tahkanen, Rauma, FI;
Arvo Jonkka, Pori, FI;
Pauli Vienola, Pori, FI;
Antti Tohkala, Pori, FI;
Assignee:
Sunds Defibrator Woodhandling OY, Pori, FI;
Primary Examiner:
Int. Cl.
CPC ...
B21K / ; B27C / ;
U.S. Cl.
CPC ...
76115 ; 72 53 ; 295277 ; 76DI / ; 1441621 ; 144329 ; 144176 ;
Abstract
A method for improving the endurance of a blade base (6) of the disc (1) of a disc chipper, a blade base and a disc chipper. A wearing plate (10) is attached to the surface (18) of the blade base facing towards the chip opening (7), the wearing surface (10) of which is shot peened.