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. 13, 1989
Filed:
Sep. 18, 1987
Applicant:
Inventor:
Daniel R Stashko, Holly, MI (US);
Assignee:
GTE Valenite Corporation, Troy, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23C / ;
U.S. Cl.
CPC ...
407 42 ; 407 54 ; 407 62 ; 407 40 ;
Abstract
Ball nose end mill and method of manufacturing replaceable on-edge high positive single cutting edge triangular inserts each with a pair of dovetail side walls firmly secured by a central screw in a matching dovetail body pocket. Right cylindrical or conical segment convex surface terminating in arcuate cutting edge for generating hemispherical segment is pressed on powdered metal blank with positive rake angle by oblique faced punch and reaction end of uniform straight triangular wall die inherently developing the dovetail side walls.