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Title:
粉体供給方法
Document Type and Number:
Japanese Patent JP6736912
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a powder supply method having a fast supply speed and excellent in controllability of supply quantities.SOLUTION: A powder supply device includes: a storage section for storing powder; an exhaust section connected to the storage section; exhaust means provided in the exhaust section; airflow supply means for supplying airflow into the exhaust section; and control means for controlling flow rate of the airflow. A powder supply method includes: a process 1 of keeping the pressure in the storage section higher than or equal to (atmospheric pressure+0.1 kPa) and lower than or equal to (atmospheric pressure+10 kPa); and a process 2 of keeping the pressure in the storage section higher than or equal to (atmospheric pressure-0.1 kPa) and lower than or equal to (atmospheric pressure+0.01kPa). When the powder is supplied in a constant quantity, the process is switched from the process 1 to the process 2 before the predetermined supply quantity is reached.SELECTED DRAWING: Figure 1

Inventors:
Takahisa Tachikawa
Application Number:
JP2016036972A
Publication Date:
August 05, 2020
Filing Date:
February 29, 2016
Export Citation:
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Assignee:
Fuji Xerox Co., Ltd
International Classes:
B65G65/46
Domestic Patent References:
JP2014097873A
JP2005022788A
JP2000227706A
JP2005070249A
JP2005112519A
JP11029221A
JP56141228A
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office