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:
Apr. 23, 1996
Filed:
Sep. 19, 1994
Applicant:
Inventor:
Dale J Garden, Warren, MI (US);
Assignee:
Anderson-Cook, Inc., Fraser, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21H / ; B21D / ;
U.S. Cl.
CPC ...
72 88 ; 72469 ; 761071 ;
Abstract
A spline forming rack having a plurality of parallel teeth for the cold forming of a spline on a workpiece wherein the land surfaces of the teeth have deposited thereon by a welding process a layer of particles of a hardening material such as tungsten carbide to increase both the wear resistance and the roughness of the land surfaces.