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Title:
ROTARY CRUSHING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/145010
Kind Code:
A1
Abstract:
A rotary crushing device 100 comprises a container (including a fixed drum 12, a rotary drum 14, and a top plate section 10a) into which a processing object containing raw material soil is loaded, a vertically extending rotating shaft 30, and an impact member 34 that rotates within the rotary drum 14 due to the rotation of the rotating shaft 30 and crushes the processing object. The rotating shaft 30 is held in a state of penetrating through the top plate section 10a and being free to rotate via ball bearings 36a, 36b provided in the vicinity of the top plate section 10a, and the lower end part of the rotating shaft 30 is a free end.　

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Inventors:
SATO YUU (JP)
MIZUTANI SHINGO (JP)
OBATA HIROSHI (JP)
Application Number:
PCT/JP2020/025034
Publication Date:
July 22, 2021
Filing Date:
June 25, 2020
Export Citation:
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Assignee:
JAPAN DEV & CONSTRUCTION (JP)
International Classes:
B02C13/16; B02C13/28; B02C13/282; B02C13/30; B02C21/02
Domestic Patent References:
WO2019016859A12019-01-24
WO2019016859A12019-01-24
Foreign References:
JPS57140839U1982-09-03
CN107262214A2017-10-20
CN202893462U2013-04-24
JP2001058135A2001-03-06
JPS625832U1987-01-14
JP2001323457A2001-11-22
JP2000075400A2000-03-14
JP2009291721A2009-12-17
JPS57171450A1982-10-22
JPS6146265A1986-03-06
US20170182499A12017-06-29
Attorney, Agent or Firm:
KATAYAMA, Shuhei (JP)
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