Title:
GRINDER
Document Type and Number:
WIPO Patent Application WO/2023/153449
Kind Code:
A1
Abstract:
[Problem] To provide a grinder which achieves stability in grain size at a high level and provides ease of maintenance. [Solution] Provided is a grinder equipped with a grinding mechanism configured to grind an object to be ground by means of a substantially conical rotating body 2, which has a rotational axis A represented by a line passing through the apex of the cone and intersecting with the bottom surface thereof at a right angle, and a substantially cylindrical stationary body 3, which encloses the rotating body and is disposed in such a manner that an inner surface thereof faces a side surface portion of the rotating body 2, said grinder being characterized in that the side surface of the rotating body 2 and the inner surface of the stationary body 3 are equipped with rugged blades 20 where protruding cutting edges and recessed parts alternately continue, the rugged blades 20 are formed in multiple stages in the rotational axis direction of the rotating body, and the rugged blades in the respective stages are separated from each other in the rotational axis direction of the rotating body.
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Inventors:
TANAKA YOSHINORI (JP)
YAMASHITA KIMIHIKO (JP)
YAMASHITA KIMIHIKO (JP)
Application Number:
PCT/JP2023/004225
Publication Date:
August 17, 2023
Filing Date:
February 08, 2023
Export Citation:
Assignee:
ARAIE MFG CO LTD (JP)
International Classes:
A47J42/10; B02C13/14; B02C13/28
Foreign References:
| US20160353931A1 | 2016-12-08 | |||
| US20090134255A1 | 2009-05-28 | |||
| JP2016015998A | 2016-02-01 | |||
| JP2020217500A | ||||
| JP2019142758A | 2019-08-29 |
Attorney, Agent or Firm:
OTANI Hajime (JP)
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