Title:
PESTLE AND CRUSHING DEVICE
Document Type and Number:
Japanese Patent JP2018086613
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a pestle which can reduce crush leaving of a crushing object, and a crushing device comprising the same.SOLUTION: A pestle 10 is rotated in a mortar 40 around a rotation axis which extends in a vertical direction. The pestle 10 comprises plural expansion parts 16 which are expanded in a radial direction of rotation and can be brought into face contact with a bottom wall of the mortar 40, and which are deviated around the rotation axis. Between the expansion parts 16, 16 which are adjacent in a rotation direction of the pestle 10, a relief part 17, which is concaved to the rotation axis side with respect to the expansion part 16, and avoids interference of the pestle 10, which is positioned adjacent thereto when plural pestles 10 are so located as to be arranged in the mortar 40, with the expansion part 16.SELECTED DRAWING: Figure 4
Inventors:
YAMADA MITSUHIKO
AIZAWA KAZUYUKI
AIZAWA KAZUYUKI
Application Number:
JP2016230106A
Publication Date:
June 07, 2018
Filing Date:
November 28, 2016
Export Citation:
Assignee:
NITTO KAGAKU KK
AIZAWA CO LTD
AIZAWA CO LTD
International Classes:
B02C19/08
Attorney, Agent or Firm:
Hiroshi Matsuura
Toshida Ikeda
Axami Kanako
Toshida Ikeda
Axami Kanako
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