FR3078780B1 - METHOD FOR EVALUATING AND MEASURING THE APPARENT OR PERCEIVED QUANTITY OF HAIR IN A WICK HAVING POSSIBLE HAIR TREATMENT - Google Patents

METHOD FOR EVALUATING AND MEASURING THE APPARENT OR PERCEIVED QUANTITY OF HAIR IN A WICK HAVING POSSIBLE HAIR TREATMENT Download PDF

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Publication number
FR3078780B1
FR3078780B1 FR1852112A FR1852112A FR3078780B1 FR 3078780 B1 FR3078780 B1 FR 3078780B1 FR 1852112 A FR1852112 A FR 1852112A FR 1852112 A FR1852112 A FR 1852112A FR 3078780 B1 FR3078780 B1 FR 3078780B1
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France
Prior art keywords
hair
measuring
wick
evaluating
apparent
Prior art date
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Active
Application number
FR1852112A
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French (fr)
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FR3078780A1 (en
Inventor
Jennifer Lecardonnel
Guillaume Marty
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LOreal SA
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LOreal SA
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Publication date
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Priority to FR1852112A priority Critical patent/FR3078780B1/en
Publication of FR3078780A1 publication Critical patent/FR3078780A1/en
Application granted granted Critical
Publication of FR3078780B1 publication Critical patent/FR3078780B1/en
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/4833—Physical analysis of biological material of solid biological material, e.g. tissue samples, cell cultures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biophysics (AREA)
  • Optics & Photonics (AREA)
  • Hematology (AREA)
  • Molecular Biology (AREA)
  • Urology & Nephrology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Abstract

La présente invention se rapporte à une méthode d'évaluation et de mesure de la quantité apparente ou perçue de cheveux dans une mèche (300) ayant éventuellement fait l'objet d'un traitement capillaire préalable, ladite méthode comprenant les étapes visant à : - disposer une mèche de cheveux à travers une ouverture (102) d'un diaphragme (100) optique à iris, - diminuer progressivement le diamètre d'ouverture de l'iris tout en mesurant la tension de fermeture dudit diaphragme en fonction de son diamètre de fermeture autour de la mèche.The present invention relates to a method for evaluating and measuring the apparent or perceived quantity of hair in a lock (300) having possibly been the subject of a prior hair treatment, said method comprising the steps aimed at: - placing a lock of hair through an opening (102) of an iris optical diaphragm (100), - progressively reducing the opening diameter of the iris while measuring the closing tension of said diaphragm as a function of its diameter closure around the wick.

FR1852112A 2018-03-12 2018-03-12 METHOD FOR EVALUATING AND MEASURING THE APPARENT OR PERCEIVED QUANTITY OF HAIR IN A WICK HAVING POSSIBLE HAIR TREATMENT Active FR3078780B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1852112A FR3078780B1 (en) 2018-03-12 2018-03-12 METHOD FOR EVALUATING AND MEASURING THE APPARENT OR PERCEIVED QUANTITY OF HAIR IN A WICK HAVING POSSIBLE HAIR TREATMENT

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1852112A FR3078780B1 (en) 2018-03-12 2018-03-12 METHOD FOR EVALUATING AND MEASURING THE APPARENT OR PERCEIVED QUANTITY OF HAIR IN A WICK HAVING POSSIBLE HAIR TREATMENT
FR1852112 2018-03-12

Publications (2)

Publication Number Publication Date
FR3078780A1 FR3078780A1 (en) 2019-09-13
FR3078780B1 true FR3078780B1 (en) 2020-02-21

Family

ID=62873444

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1852112A Active FR3078780B1 (en) 2018-03-12 2018-03-12 METHOD FOR EVALUATING AND MEASURING THE APPARENT OR PERCEIVED QUANTITY OF HAIR IN A WICK HAVING POSSIBLE HAIR TREATMENT

Country Status (1)

Country Link
FR (1) FR3078780B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4665741A (en) * 1983-09-02 1987-05-19 Revlon, Inc. Method of hair damage assessment
DE102010020182A1 (en) * 2010-05-11 2011-11-17 Attila Bereck Device for objective evaluation of handhold, stiffness or similar physical characteristics of planar formations and synthetic materials, has pipes or batons firmly or freely rotary attached at bend of sample
US20140154199A1 (en) * 2012-12-04 2014-06-05 Momentive Performance Materials Silicone-containing composition and personal care products containing same

Also Published As

Publication number Publication date
FR3078780A1 (en) 2019-09-13

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