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:
Sep. 29, 2015

Filed:

Jan. 11, 2013
Applicants:

Masahiro Kurokawa, Iwaki, JP;

Kedar Suresh Bhagath, Iwaki, JP;

Inventors:

Masahiro Kurokawa, Iwaki, JP;

Kedar Suresh Bhagath, Iwaki, JP;

Assignee:

Tungaloy Corporation, Iwaki-shi, Fukushima, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23C 5/20 (2006.01); B23C 5/16 (2006.01); B23C 5/10 (2006.01);
U.S. Cl.
CPC ...
B23C 5/207 (2013.01); B23C 5/109 (2013.01); B23C 2200/0416 (2013.01); B23C 2200/085 (2013.01); B23C 2200/203 (2013.01); B23C 2200/205 (2013.01); Y10T 407/1924 (2015.01); Y10T 407/23 (2015.01);
Abstract

A cutting insert for a multifunctional endmill is capable of using three corners. The cutting insert includes a top surface and a bottom surface having an outer shape of a substantially polygonal shape and four side surfaces extending between the top surface and the bottom surface, a first side surface has a positive flank angle, a second side surface has a positive flank angle, a third side surface has the positive flank angle, the first side surface includes a first and a second component surfaces connected with each other so that the first side surface protrudes outward from a peripheral surface of the cutting insert, and a connection portion between a first and a second component surface extends between the top surface and the bottom surface.


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