Title:
POLISHING ROLL
Document Type and Number:
WIPO Patent Application WO/2018/079766
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a polishing roll capable of achieving, for example, three-dimensional polishing of a hard material such as sapphire glass at a high polishing rate. The present invention provides a cylindrical polishing roll capable of rotating about a central axis, characterized in that the polishing roll includes a core part serving as a central axis to which a torque is applied, an intermediate part having a cross-section concentric with the core part, and a polishing part disposed on the outer peripheral surface of the intermediate part, and the intermediate part is made of a cushion material softer than the polishing part.
Inventors:
MORIOKA YOSHITAKA (JP)
ITO KAZUNORI (JP)
LIN KENG (JP)
TSAI JIA-WEN (JP)
ITO KAZUNORI (JP)
LIN KENG (JP)
TSAI JIA-WEN (JP)
Application Number:
PCT/JP2017/039074
Publication Date:
May 03, 2018
Filing Date:
October 30, 2017
Export Citation:
Assignee:
NITTA HAAS INC (JP)
International Classes:
B24B37/22; B24B37/24; B24D9/04; B24D11/00
Foreign References:
| JPH0950975A | 1997-02-18 | |||
| JP2006156688A | 2006-06-15 | |||
| KR101004257B1 | 2011-01-03 | |||
| JP2001315064A | 2001-11-13 | |||
| JP2002178269A | 2002-06-25 | |||
| JP2002001637A | 2002-01-08 | |||
| DE558346C | 1932-09-05 | |||
| JPH0215958U | 1990-02-01 |
Attorney, Agent or Firm:
TSUKUNI & ASSOCIATES et al. (JP)
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