Title:
砥石および磨砕装置
Document Type and Number:
Japanese Patent JP6449574
Kind Code:
B2
Abstract:
A grindstone corresponding to a rotatable grindstone or a stationary grindstone can be incorporated in a grinding device and is used for grinding raw materials. The grindstone includes a main body part and an outer circumferential ring part that can be detached from each other. The main body part has a coarse grinding part in which coarse grinding grooves corresponding to first coarse grinding grooves and second coarse grinding grooves for initially grinding the raw materials are formed. The outer circumferential ring part has a fine grinding part corresponding to a wall part in which fine grinding grooves for further grinding the raw materials ground by the coarse grinding part are formed. When the main body part and the outer circumferential ring part are assembled, the fine grinding part corresponding to the wall part is located at an outer circumference of the coarse grinding part.
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Inventors:
Toichiro Takai
Masahiro Yoshida
Ji Huang Makoto
Toru Awazu
Masahiro Yoshida
Ji Huang Makoto
Toru Awazu
Application Number:
JP2014140443A
Publication Date:
January 09, 2019
Filing Date:
July 08, 2014
Export Citation:
Assignee:
Takai Manufacturing Co., Ltd.
International Classes:
B02C7/12; A47J19/04; B24D3/00
Domestic Patent References:
| JP1211271 | ||||
| JP62106850A | ||||
| JP14312Z1 | ||||
| JP2005219034A | ||||
| JP6388052A |
Foreign References:
| US0201784 |
Attorney, Agent or Firm:
Patent business corporation glory patent office