Title:
SHEET BODY
Document Type and Number:
Japanese Patent JP2019001085
Kind Code:
A
Abstract:
To provide a sheet body capable of exerting a color-change function more securely as well as maintaining a color-change status for a longer period of time.SOLUTION: A sheet body 10 includes: a variable color layer 13 where a color recognized changes according to a temperature; and a heat storage layer 12 arranged at a location overlapping the variable color layer 13 and configured to emit heat when a force is applied. Thereby, when a force is applied to the sheet body 10, the heat storage layer 12 emits heat, and a color of the variable color layer 13 is changed and becomes visible.SELECTED DRAWING: Figure 1
Inventors:
AOYAMA YUKO
SATO JUN
SATO JUN
Application Number:
JP2017118472A
Publication Date:
January 10, 2019
Filing Date:
June 16, 2017
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
B32B7/027; B41M3/14; B42D15/00; B42D25/23; B42D25/24; B42D25/29; B42D25/36
Attorney, Agent or Firm:
Masayuki Masabayashi
Tetsuo Shiba
Hayashi Ichiyoshi
Tetsuo Shiba
Hayashi Ichiyoshi