Title:
DRILL HEAD
Document Type and Number:
Japanese Patent JP2006007414
Kind Code:
A
Abstract:
To provide a drill head equipped with strong, durable support pads to be used when drilling heatproof materials.
A drill head 1 is equipped with more-than-one support pads 2, 3, at least one of which is made from ceramic materials. The ceramic materials are essentially ceramic oxides, or ceramic oxides containing hard carbides, and/or ceramic nitrides, and/or ceramic borides, and/or ceramic connectors, and/or ordinary presses, and/or sintering auxiliaries. These support pads are particularly useful in boring such heatproof materials as INCONEL (R) 718, INCONEL (R) 939, WASPALOY, and UDIMET (R) 720.
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Inventors:
HESSMAN INGEMAR
Application Number:
JP2005180323A
Publication Date:
January 12, 2006
Filing Date:
June 21, 2005
Export Citation:
Assignee:
SANDVIK INTELLECTUAL PROPERTY
International Classes:
B23B51/06; B23B51/04
Domestic Patent References:
| JP2002192404A | 2002-07-10 |
Foreign References:
| DE20219754U1 | 2004-04-22 | |||
| US4789277A | 1988-12-06 |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Hirose Shigeki
Masaya Nishiyama
Jun Tsuruta
Tetsuro Shimada
Hirose Shigeki
Masaya Nishiyama