【発明の名称】リ-ド線切断用丸刃工具

Title:

【発明の名称】リ-ド線切断用丸刃工具

Document Type and Number:

Japanese Patent JPS603523

Kind Code:

B2

Abstract:

A cutting method comprising using a main body in the form of a circular disk and a hard layer provided on one surface of the main body and having a thickness of 0.02 to 0.2 mm. The hard layer is made of cemented carbides, TiC TaC, Cr2C3, Al2O3 or the like, while the main body is made of a material, such as steel, non-ferrous metal or plastics, which is lower than the hard layer in abrasion resistance. The hard layer is formed along its outer periphery with a cutting edge which is self-sharpened when chipped.

Inventors:

NAKAMURA HIROMICHI
URANO SEIYA
KOJIMA TATSUO
SEKIWA MITSUNAO

Application Number:

JP16000877A

Publication Date:

January 29, 1985

Filing Date:

December 29, 1977

Export Citation:

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Assignee:

MITSUBISHI KINZOKU KK
MATSUSHITA DENKI SANGYO KK

International Classes:

B23D19/00; B26D1/14; B23D35/00; B23P15/40; (IPC1-7): B23D19/00

Attorney, Agent or Firm:

Masatake Shiga

Next Patent: WEIGHT MEASURING DEVICE