FR567039A - Temperature indicator - Google Patents

Temperature indicator

Info

Publication number
FR567039A
FR567039A FR567039DA FR567039A FR 567039 A FR567039 A FR 567039A FR 567039D A FR567039D A FR 567039DA FR 567039 A FR567039 A FR 567039A
Authority
FR
France
Prior art keywords
temperature indicator
indicator
temperature
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Georges Leday
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 filed Critical
Application granted granted Critical
Publication of FR567039A publication Critical patent/FR567039A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D6/00—Details of, or accessories for, hair-curling or hair-waving devices
    • A45D6/20—Devices for controlling the temperature of hair curlers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR567039D 1923-06-05 1923-06-05 Temperature indicator Expired FR567039A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR567039T 1923-06-05

Publications (1)

Publication Number Publication Date
FR567039A true FR567039A (en) 1924-02-23

Family

ID=8947518

Family Applications (1)

Application Number Title Priority Date Filing Date
FR567039D Expired FR567039A (en) 1923-06-05 1923-06-05 Temperature indicator

Country Status (1)

Country Link
FR (1) FR567039A (en)

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