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. 11, 1995
Filed:
Sep. 20, 1993
Applicant:
Inventor:
Kenneth G Noggle, West Bloomfield, MI (US);
Assignee:
Valenite Inc., Madison Heights, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428698 ; 428689 ; 428699 ; 407114 ; 407115 ; 407116 ; 407119 ;
Abstract
An indexable cutting insert having a polycrystalline cutting edge along the entire periphery of the insert, comprising a top surface, a bottom surface and a side wall extending unbroken therebetween to form a body, said body comprised of a composite wafer of cemented carbide, polycrystalline material and cemented carbide material, a cutting edge formed of polycrystalline material, and a chip breaker rearward of the cutting edge, said chip breaker formed by removal of a portion of cemented carbide from the at least one of the top or bottom surface of the insert at the junction of the sidewall and the top or bottom surface.