JPS6480841A - Humidity marker - Google Patents

Humidity marker

Info

Publication number
JPS6480841A
JPS6480841A JP23929987A JP23929987A JPS6480841A JP S6480841 A JPS6480841 A JP S6480841A JP 23929987 A JP23929987 A JP 23929987A JP 23929987 A JP23929987 A JP 23929987A JP S6480841 A JPS6480841 A JP S6480841A
Authority
JP
Japan
Prior art keywords
humidity
hygrometer
solute
marker
paper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP23929987A
Other languages
Japanese (ja)
Inventor
Choichi Furuya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHIRAKAWA SEISAKUSHO KK
Original Assignee
SHIRAKAWA SEISAKUSHO KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHIRAKAWA SEISAKUSHO KK filed Critical SHIRAKAWA SEISAKUSHO KK
Priority to JP23929987A priority Critical patent/JPS6480841A/en
Publication of JPS6480841A publication Critical patent/JPS6480841A/en
Pending legal-status Critical Current

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  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)

Abstract

PURPOSE:To obtain a hygrometer which discolors even with high and low humidities by combining a hygroscopic material and material which discolors with a change in humidity. CONSTITUTION:The hygrometer is formed by putting a solute 2 mixed with lithium chloride and cobalt chloride at 50:50 ratio into a container 3 formed of a film 1 which allows the permeation of steam but prohibits the permeation of the solute and transparent glass, etc., and providing a scale to the container. The solute mixed with KSCN and Co(SCN2) at 50:50 is infiltered to filter paper and is used for administrating the vegetable growth in greenhouse culture. Said paper is used for a moisture absorption and humidity marker 4 in packaging paper for food. This hygrometer is used for alarming an electrical signal or controlling humidity by combining the same with a color sensor. Humidity display is thereby enabled even if the humidity is low or high and since a marked coloration can be made even at about 40-50%, various applications such as hygrometer with an alarm, humidity marker and room interior goods are possible.
JP23929987A 1987-09-24 1987-09-24 Humidity marker Pending JPS6480841A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23929987A JPS6480841A (en) 1987-09-24 1987-09-24 Humidity marker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23929987A JPS6480841A (en) 1987-09-24 1987-09-24 Humidity marker

Publications (1)

Publication Number Publication Date
JPS6480841A true JPS6480841A (en) 1989-03-27

Family

ID=17042662

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23929987A Pending JPS6480841A (en) 1987-09-24 1987-09-24 Humidity marker

Country Status (1)

Country Link
JP (1) JPS6480841A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01180754U (en) * 1988-06-03 1989-12-26
US5305858A (en) * 1991-07-22 1994-04-26 Toyoda Koki Kabushiki Kaisha Rotary shock absorber having vanes with radial flow clearance
EP0997717A1 (en) * 1998-10-30 2000-05-03 Marie-Pierre Cesbron Device for indicating and displaying a physical parameter, especially the temperature, with coatings
KR100822454B1 (en) * 2007-08-31 2008-04-16 (주) 에버스노 Manufacturing method of humidity indicator
JP2018517894A (en) * 2015-04-14 2018-07-05 サヴァレ’ イ.チ. エッセ.エッレ.エッレ. Wetness indicator composition containing leuco dye

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58216936A (en) * 1982-05-18 1983-12-16 Shin Nisso Kako Co Ltd Humidity indicator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58216936A (en) * 1982-05-18 1983-12-16 Shin Nisso Kako Co Ltd Humidity indicator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01180754U (en) * 1988-06-03 1989-12-26
US5305858A (en) * 1991-07-22 1994-04-26 Toyoda Koki Kabushiki Kaisha Rotary shock absorber having vanes with radial flow clearance
EP0997717A1 (en) * 1998-10-30 2000-05-03 Marie-Pierre Cesbron Device for indicating and displaying a physical parameter, especially the temperature, with coatings
FR2785386A1 (en) * 1998-10-30 2000-05-05 Marie Pierre Cesbron Ortais DEVICE FOR INDICATING AND DISPLAYING A PHYSICAL PARAMETER, PARTICULARLY TEMPERATURE, FROM COATINGS
KR100822454B1 (en) * 2007-08-31 2008-04-16 (주) 에버스노 Manufacturing method of humidity indicator
JP2018517894A (en) * 2015-04-14 2018-07-05 サヴァレ’ イ.チ. エッセ.エッレ.エッレ. Wetness indicator composition containing leuco dye

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