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.

Date of Patent:
Aug. 30, 1977

Filed:

Jul. 22, 1976
Applicant:
Inventor:

Gerard Romagnolo, Eybens, FR;

Assignee:

Ugine Carbone, Grenoble, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B26D / ;
U.S. Cl.
CPC ...
29 9 / ;
Abstract

A small polygonal shaped cutting plate designed to be secured onto the body of a tool for machining of metal pieces, presenting at least one rectilinear cutting edge, containing a groove assuring unrolling and control of the cutting, as well as a radiating cutting point characterized by the fact that it is composed of: A. a cutting surface with an essentially pyramidal shape whose generatrices form a constant angle with a base plane Qo containing the cutting edge, and B. an assembly of planes forming another surface called the chip breaker on which the shaving to be broken butts in such a manner that a hollow zone is formed in the radiating cutting point whose lowest point is situated in the bisector plane of the cutting point.


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