Title:
DENSITY VALUE ADJUSTING DEVICE
Document Type and Number:
Japanese Patent JP2020104494
Kind Code:
A
Abstract:
To provide a device which always measures concentration of an ink and an adhesive solution, which change due to external factors such as age and temperature by a density value, and adjusts an initial value to the density value.SOLUTION: An ink stored in a tank 6 is delivered to a density measuring instrument 3 by a circulation tube pump 2, and when an ink density value measured by the density measuring instrument 3 is increased, a solvent of a quantity, which is determined from a calculation result by an electric circuit part 4 on the basis of measurement value information of the density measuring instrument 3 and temperature information of a liquid temperature sensor 7 and an ambient temperature sensor 8, is dropped into the tank 6 by a tube pump 1 for solvent dropping from a solvent tank 5, and the ink in the tank 6 is maintained at the initial density value.SELECTED DRAWING: Figure 1
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Inventors:
SATO NAOTO
UKAI TATSUYA
UKAI TATSUYA
Application Number:
JP2018248159A
Publication Date:
July 09, 2020
Filing Date:
December 28, 2018
Export Citation:
Assignee:
FUJI TOKUSHU SHIGYO KK
International Classes:
B41F33/00; B41F31/02; G01N9/36
Domestic Patent References:
JPH09183211A | 1997-07-15 | |||
JP2000218766A | 2000-08-08 | |||
JPH07117233A | 1995-05-09 | |||
JP2015013227A | 2015-01-22 | |||
JP2007238756A | 2007-09-20 | |||
JP2001121679A | 2001-05-08 | |||
JPH06154570A | 1994-06-03 | |||
JPS59189961A | 1984-10-27 |
Attorney, Agent or Firm:
Hiroshi Ohashi
Hiroshi Ohashi
Hiroshi Ohashi