Title:
TOOL FOR TREATING INNER WALL SURFACE OF PREPARED HOLE FOR SCREW IN CASTING
Document Type and Number:
Japanese Patent JP2006015383
Kind Code:
A
Abstract:
To provide a tool for treating the inner wall surface of a prepared hole for screw in a casting with which blow hole as the peculiarity to the casting is cut in pieces and eliminated by treating the inner wall surface of the hole formed in the casting at high speed so as not to become over-heat, and the metal structure is improved so as not to leak liquid from the blow hole formed in the casting.
The tool for treating the inner wall surface has the cross sectional round-shaped bar structure, and is provided with an inserting part for inserting into a hole as cast in the casting and a base end part for supporting the above inserting part.
Inventors:
NISHINA MASAMORI
Application Number:
JP2004196732A
Publication Date:
January 19, 2006
Filing Date:
July 02, 2004
Export Citation:
Assignee:
FURUKAWA ALFLEX CORP
International Classes:
B22D29/00; B23P6/04
Domestic Patent References:
| JP2003191071A | 2003-07-08 | |||
| JP2000312980A | 2000-11-14 | |||
| JP2003205357A | 2003-07-22 | |||
| JP4220357B2 | 2009-02-04 |
Attorney, Agent or Firm:
Yuzo Agata
Sadayoshi Igarashi
Susumu Kitano
Kimihiro Hoshi
Sadayoshi Igarashi
Susumu Kitano
Kimihiro Hoshi