AT134139B - Device for determining the degree of hair moisture during hair wave production. - Google Patents
Device for determining the degree of hair moisture during hair wave production.Info
- Publication number
- AT134139B AT134139B AT134139DA AT134139B AT 134139 B AT134139 B AT 134139B AT 134139D A AT134139D A AT 134139DA AT 134139 B AT134139 B AT 134139B
- Authority
- AT
- Austria
- Prior art keywords
- hair
- degree
- determining
- moisture during
- wave production
- Prior art date
Links
Landscapes
- Hair Curling (AREA)
Description
<Desc/Clms Page number 1>
Vorrichtung zur Bestimmung des Grades der Haarfeuchtigkeit bei der Haarwellenherstellung.
Der Gegenstand der Erfindung ist eine Vorrichtung zur Bestimmung des Grades der Haarfeuch- tigkeit bei der Haarwellenherstellung. Die Vorrichtung beruht auf der Erkenntnis, dass die Leitfähigkeit des Haares für einen elektrischen Strom vom Feuchtigkeitsgrad des Haares abhängt. Wenn während der Haarwellenherstellung mittels Hitze die Vorrichtung einen schon geringen Feuehtigkeitsgrad des
Haares feststellt, wird die Heizung eingestellt, um ein Versengen des Haares hintanzuhalten.
In der Zeichnung ist die Vorrichtung schematisch dargestellt.
1 ist eine Stromquelle, 2 ein stellbarer Widerstand, 3 ein Spannungsmesser, 4 ein die Elektrizität leitender Lockenwickler, 5 sind die aufgewickelten feuchten Haare, 6 ist der Heizkörper der Haarwell- vorriehtung, 7 ist die Gegenelektrode zu dem an die Stromquelle 1 angeschlossenen Lockenwickler 4.
Sie besteht aus die Elektrizität gut leitendem Material und steht mit der elektrischen Leitung mittels eines Steckers 8 in lösbarer Verbindung. Auch der Lockenwickler 4 ist an den Stromkreis mittels eines
Steckers 8 lösbar angeschlossen. Man schaltet der Reihe nach alle am Kopf befindlichen Lockenwickler 4 und ihre Gegenelektrode 7 in den Stromkreis ein, um den Grad der Austrocknung der Locken 5 an dem Ausschlag des Spannungsmessers 3 zu erkennen. Der Ausschlag wird um so kleiner, je trockener die Haare durch die Wirkung des Heizkörpers 6 geworden sind. Diese Art der Benutzung ist jedoch umständlich.
Zweckmässig werden alle Lockenwickler 4 an einen Spannungsmesser angeschlossen und die Haarwickel der Reihe nach mit einer einzigen Gegenelektrode 7 abgetastet.
**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Device for determining the degree of hair moisture during hair wave production.
The subject of the invention is a device for determining the degree of hair moisture during hair wave production. The device is based on the knowledge that the conductivity of the hair for an electric current depends on the degree of moisture in the hair. If during the hair wave production by means of heat the device already has a low degree of fire resistance
Detects the hair, the heating is turned on to prevent scorching of the hair.
The device is shown schematically in the drawing.
1 is a power source, 2 is an adjustable resistor, 3 is a voltmeter, 4 is a curler that conducts electricity, 5 is the wound up damp hair, 6 is the heating element of the hair curling device, 7 is the counter-electrode to the curler 4 connected to the power source 1 .
It consists of a material that conducts electricity well and is releasably connected to the electrical line by means of a plug 8. The hair curler 4 is also connected to the circuit by means of a
Connector 8 detachably connected. All hair curlers 4 on the head and their counter-electrode 7 are switched on in the circuit in order to determine the degree of drying out of the curls 5 from the deflection of the voltmeter 3. The rash becomes smaller, the drier the hair has become due to the action of the heating element 6. However, this type of use is cumbersome.
It is practical if all the hair curlers 4 are connected to a tension meter and the hair curls are scanned in sequence with a single counter electrode 7.
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS134139X | 1930-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT134139B true AT134139B (en) | 1933-07-10 |
Family
ID=5449382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT134139D AT134139B (en) | 1930-12-12 | 1931-09-02 | Device for determining the degree of hair moisture during hair wave production. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT134139B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1030978B (en) * | 1953-02-02 | 1958-05-29 | Wella Ag | Device for indicating the completion of the drying process of hair |
| DE1038725B (en) * | 1953-05-06 | 1958-09-11 | Wella Ag | Arrangement of the electrodes when displaying the dryness of hair |
| DE971990C (en) * | 1955-06-15 | 1959-05-06 | August Kolbe | Tactile organ in the form of a hair curler or clip to be inserted into the hair to determine its dryness |
| WO1997009898A1 (en) * | 1995-09-13 | 1997-03-20 | Philips Electronics N.V. | Hair-care appliance with hair-moistness measurement by measuring the resistance of the hair, and circuit for converting the resistance value of a resistor into a measurement signal |
-
1931
- 1931-09-02 AT AT134139D patent/AT134139B/en active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1030978B (en) * | 1953-02-02 | 1958-05-29 | Wella Ag | Device for indicating the completion of the drying process of hair |
| DE1038725B (en) * | 1953-05-06 | 1958-09-11 | Wella Ag | Arrangement of the electrodes when displaying the dryness of hair |
| DE971990C (en) * | 1955-06-15 | 1959-05-06 | August Kolbe | Tactile organ in the form of a hair curler or clip to be inserted into the hair to determine its dryness |
| WO1997009898A1 (en) * | 1995-09-13 | 1997-03-20 | Philips Electronics N.V. | Hair-care appliance with hair-moistness measurement by measuring the resistance of the hair, and circuit for converting the resistance value of a resistor into a measurement signal |
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