Title:
CUTTING HEAD FOR ROTARY CUTTING TOOL
Document Type and Number:
WIPO Patent Application WO/2016/148284
Kind Code:
A1
Abstract:
Provided is a cutting head for a rotary cutting tool, the cutting head being capable of preventing or reducing resin entanglement and premature wear. A cutting head (1) comprising a shaft (12), which has a mounting portion (11) for mounting on the hand piece (2) of a rotary cutting tool, and a cutting blade portion (13) at the shaft tip, wherein the cutting blade portion (13) has a plurality of axial grooves (15) and a plurality of axial blades (16). The cutting blade portion (13) is equipped with at least one slightly deeper groove (18) in the circumferential direction. When used in a rotary cutting tool used in dental techniques, the groove depth is preferably 0.3 mm-2.0 mm, the groove width is preferably 0.5 mm-2.0 mm at the surface position, and the number of grooves is preferably 1-5.
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Inventors:
IKEJIRI RYOJI (JP)
Application Number:
PCT/JP2016/058743
Publication Date:
September 22, 2016
Filing Date:
March 18, 2016
Export Citation:
Assignee:
IKEJIRI RYOJI (JP)
International Classes:
A61C3/02; A61C1/14
Foreign References:
| US20090048602A1 | 2009-02-19 | |||
| US20090053674A1 | 2009-02-26 | |||
| US5429504A | 1995-07-04 | |||
| US6179616B1 | 2001-01-30 |
Attorney, Agent or Firm:
OKAMOTO, SHOJI (JP)
Shoji Okamoto (JP)
Shoji Okamoto (JP)
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