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. 24, 1992
Filed:
May. 06, 1991
Applicant:
Inventors:
Robert R Fischer, Michigan City, IN (US);
W James Fischer, Valparaiso, IN (US);
Assignee:
Urschel Laboratories Incorporated, Valparaiso, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21K / ; B26B / ;
U.S. Cl.
CPC ...
76115 ;
Abstract
A scalloped cutting edge is formed on a knife blank by disposing the blank between corresponding faces of a punch and die assembly, whereby a resilient face of the punch compresses the blank into a plurality of scallop-shaped depressions formed in the face of the die, thereby imparting a corresponding scalloped configuration to the edge portion of the blank is then sharpened by partially removing the convex side of the scallops by beveling the blank edge portion.