Title:
CAN PRINTING SYSTEM, CAN PRODUCTION SYSTEM, COLOR GUIDE, AND COLOR GUIDE PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/188669
Kind Code:
A1
Abstract:
The present invention provides a can printing system comprising: a printing main device that performs printing on the surface of a metal can; and a color guide that has a plurality of color patches where the ink color of the printing main device has been printed onto a metal substrate that contains the same metal as that of the metal can. When the color of the plurality of color patches is measured so as to acquire color coordinates, on a color space, of the plurality of color patches, the color guide is such that, in a plurality of color phase regions where the color space has been segmented for each occurrence of a predetermined color phase angle, and a plurality of brightness/intensity regions where the plurality of color phase regions have been segmented for each occurrence of a predetermined brightness width and each occurrence of a predetermined intensity width, the color coordinates of at least one color patch, from among the plurality of color patches, is disposed in all of the plurality of color phase regions, and the color coordinates of at least one color patch, from among the plurality of color patches, are disposed in a predetermined amount, constituting at least half, of brightness/intensity regions from among the plurality of brightness/intensity regions.
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Inventors:
SAITO YUKIKO (JP)
NAGATSUKA RYOTA (JP)
NAGATSUKA RYOTA (JP)
Application Number:
PCT/JP2023/000017
Publication Date:
October 05, 2023
Filing Date:
January 04, 2023
Export Citation:
Assignee:
TOYO SEIKAN CO LTD (JP)
International Classes:
B41J2/01; B41F33/00; B41J2/21; B41J2/525; B41J3/407; B41M1/28; B41M1/40; G01J3/52; G09F5/04; H04N1/407; H04N1/54; H04N1/60
Domestic Patent References:
| WO2019021739A1 | 2019-01-31 |
Foreign References:
| JP2010002310A | 2010-01-07 | |||
| JP2019155771A | 2019-09-19 | |||
| JP2009204707A | 2009-09-10 | |||
| JP2001272276A | 2001-10-05 | |||
| JPS57148684A | 1982-09-14 | |||
| JP2002098590A | 2002-04-05 | |||
| US20160155367A1 | 2016-06-02 |
Attorney, Agent or Firm:
RYUKA & PARTNERS (JP)
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