Title:
TEMPERATURE SENSING BODY
Document Type and Number:
WIPO Patent Application WO/2017/068657
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a temperature sensing body capable of sensing both a temperature increase and a temperature decrease, and having an anti-tampering function. In order to solve said problem, this temperature sensing body is characterized by including: a first ink in which a temperature Ta1 for initiating color disappearance when the temperature rises and a temperature Td1 for initiating color development when the temperature falls are different; and a second ink in which a temperature Ta2 for initiating color disappearance when the temperature rises and a temperature Td2 for initiating color development when the temperature falls are different, wherein the temperature Ta1 for initiating color disappearance, the temperature Td1 for initiating color development, the temperature Ta2 for initiating color disappearance, and the temperature Td2 for initiating color development have the relationship, Td1 < Td2 < Ta1 < Ta2.
Inventors:
TADA YASUHIKO (JP)
KAWASAKI MASAHIRO (JP)
AIDA KOHHEI (JP)
SASAKI HIROSHI (JP)
YUASA TOYOTAKA (JP)
KAGAWA HIROYUKI (JP)
KAWASAKI MASAHIRO (JP)
AIDA KOHHEI (JP)
SASAKI HIROSHI (JP)
YUASA TOYOTAKA (JP)
KAGAWA HIROYUKI (JP)
Application Number:
PCT/JP2015/079655
Publication Date:
April 27, 2017
Filing Date:
October 21, 2015
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
G01K11/16; C09K3/00
Foreign References:
| JP2005172544A | 2005-06-30 | |||
| JP2012189540A | 2012-10-04 | |||
| JP2012088095A | 2012-05-10 | |||
| JP2008239810A | 2008-10-09 | |||
| JP2006047176A | 2006-02-16 | |||
| JPH0219155B2 | 1990-04-27 |
Other References:
See also references of EP 3367079A4
Attorney, Agent or Firm:
TODA Yuji (JP)
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