Title:
CUTTING DEVICE, PROCESSING DEVICE, FORMING DIE, OPTICAL ELEMENT, AND CUTTING METHOD
Document Type and Number:
WIPO Patent Application WO/2007/114034
Kind Code:
A1
Abstract:
In a cutting tool (23), a shank (23b) is a support member made of ceramics and is
hard to bend even though it is light in weight. Also, a processing chip (23c) is
a diamond chip having a cutting edge and is fixed to the tip of the shank (23b) by
the active metal method, brazing, etc. The shank (23b) is pressed and fixed by
a fixing screw (25) and a washer (27) to the lower surface of a slit-like groove
(21f) provided in a fixation section (21a). In this case, the washer (27) is an
annular member deforming as a cushion member and prevents localized concentration
of stress by fastening of the fixation screw (25).
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| JPH0463608 | TOOL HOLDER |
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Inventors:
IMAI TOSHIYUKI (JP)
TAKANO ISAO (JP)
TAKANO ISAO (JP)
Application Number:
PCT/JP2007/055512
Publication Date:
October 11, 2007
Filing Date:
March 19, 2007
Export Citation:
Assignee:
KONICA MINOLTA OPTO INC (JP)
IMAI TOSHIYUKI (JP)
TAKANO ISAO (JP)
IMAI TOSHIYUKI (JP)
TAKANO ISAO (JP)
International Classes:
B23B29/12; B23B1/00
Foreign References:
| JPH02198705A | 1990-08-07 | |||
| JPH01159104A | 1989-06-22 | |||
| JP2006334732A | 2006-12-14 | |||
| JP2007044785A | 2007-02-22 |
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