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Patent Searching and Data


Title:
PUNCHING TOOL
Document Type and Number:
Japanese Patent JP2006297516
Kind Code:
A
Abstract:

To provide a punching tool capable of performing punching with comparatively small torque and easily removing cut pieces held in an axial center.

In this punching tool 10, a cutting edge 10b is formed at the opening end peripheral edge of a cylindrical hollow container 10a, the axial center 11 is arranged at the substantial center of the hollow container 10a, and a needle-shaped part 11a for holding the cut pieces 2a cut by the cutting edge 10b is formed at the tip of the axial center 11. A holding part 10c is formed integrally with a closed end face 10e at the substantial center of the closed end face 10e facing the opening end. A through hole 10d made to communicate with the inside of the hollow container 10a is formed in the holding part 10c. The axial center 11 is arranged to be movable along the through hole 10d.


Inventors:
YUASA JUNICHI
Application Number:
JP2005000120530
Publication Date:
November 02, 2006
Filing Date:
April 19, 2005
Export Citation:
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Assignee:
SEKISUI CHEMICAL CO LTD
International Classes:
B23B51/04; B26F1/16
Attorney, Agent or Firm:
西脇 民雄