Title:
FOREIGN MATTER REMOVAL DEVICE, GYPSUM-BASED BUILDING SURFACE MATERIAL MANUFACTURING DEVICE, AND FOREIGN MATTER REMOVAL METHOD
Document Type and Number:
WIPO Patent Application WO/2022/239488
Kind Code:
A1
Abstract:
Provided is a foreign matter removal device that removes foreign matter in powder, the device comprising: a conveyance device that conveys the powder from a powder supply port to a discharge port; and a foreign matter sedimentation device that is disposed between the supply port and the discharge port on a conveyance path of the conveyance device and that causes the foreign matter in the powder to settle. The foreign matter sedimentation device includes: a foreign matter discharge port disposed at the lowest position in the height direction; and a bottom surface inclined toward the foreign matter discharge port.
Inventors:
TANI HIROKUNI (JP)
Application Number:
PCT/JP2022/013255
Publication Date:
November 17, 2022
Filing Date:
March 22, 2022
Export Citation:
Assignee:
YOSHINO GYPSUM CO (JP)
International Classes:
B07B4/08; B03B5/46; B09B5/00; C04B11/26; B09B101/25
Domestic Patent References:
| WO2016171176A1 | 2016-10-27 |
Foreign References:
| JPH09276800A | 1997-10-28 | |||
| JPH1085714A | 1998-04-07 | |||
| JPS62110787A | 1987-05-21 | |||
| JP2006150288A | 2006-06-15 | |||
| JP2004313896A | 2004-11-11 | |||
| JP2021081546A | 2021-05-27 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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