Title:
END MILL FOR MINIMUM HOLE DIAMETER
Document Type and Number:
Japanese Patent JPH04269111
Kind Code:
A
Abstract:
PURPOSE: To improve the durability of an end mill to cut a groove of a minimum width of 2mm or less.
CONSTITUTION: A blade body comprises a triangular conical body or triangular pole body having an equilateral triangle cross section T inscribed to a cutting hole diameter B in a perpendicular plane to an axial line A.
Inventors:
FUKUCHI KENZO
Application Number:
JP3022091A
Publication Date:
September 25, 1992
Filing Date:
February 25, 1991
Export Citation:
Assignee:
FUKUCHI KOUSAKUSHIYO YUUGEN
International Classes:
B23C5/10; (IPC1-7): B23C5/10
Domestic Patent References:
| JPS479431U | 1972-10-04 | |||
| JPS5315190B2 | 1978-05-23 |
Attorney, Agent or Firm:
Yoshiki Takagi