Patent AU-2019271902-B2 (AU)
Title: Mortar body and mill device
Inventor: KANAZAWA KAZUHIKO
IPC: A47J42/00
Filed: 2019-04-26
Granted: 2021-07-01
Abstract: P9Wm > TIH 
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WIPO I PCT 
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(54) Title: MORTAR BODY AND MILL DEVICE 
(54) R 0) J:I 
[R31 (57) Abstract: A mortar body is provided with an inner mortar 
part (20) and an outer mortar part (30), and second opening de
20 30 pression parts (33) and second opening protrusion parts (34) are 
33A 33B 330 formed in the inner-side surface of the outer mortar part (30). The 
second opening depression parts (33) are in groups of three opening 
depression parts having mutually different surface areas, and this 
34 group is repeated. A second opening medium depressionpart (33B) 
------ -34AJ is positioned adjacent to a second opening large depression part 
36 (33A), a second opening small depression part (33C) is positioned 
37A adjacent to the second opening medium depression part (33B), an
other second opening large depressionpart (33A) is positioned ad
3 jacent to the second opening small depression part (33C), and this 
30 positioning is repeated. The second opening protrusion parts (34) 
20 38 38 3 are constituted by repeated groups of three opening protrusion parts 
having mutually different protrusion part angles. A second open
ing medium protrusion part (34B) is positioned adjacent to a sec
ond opening small protrusion part (34A), a second opening large 
39 protrusion part (34C) is positioned adjacent to the second open
39- -39 ing medium protrusion part (34B), another second opening small 
- protrusion part (34A) is positioned adjacent to the second opening 
large protrusion part (34C), and this positioning is repeated.  
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