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. 30, 1993
Filed:
Sep. 24, 1991
Applicant:
Inventor:
Shigenori Emoto, Itami, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23C / ;
U.S. Cl.
CPC ...
407 42 ; 407 61 ;
Abstract
A disposable cutter has a cutter body formed with chip pockets and a plurality of disposable inserts having cutting edges. Each pocket is formed at least at the front or inner side of the body with a spherical blind groove portion. The center of radius of curvature of the spherical blind groove portion is located on an imaginary line drawn from the front end of each cutting edge toward the pocket at a substantially right angle with respect to each cutting edge.