US3901250A - Automatic electrical device for forming and drying hair curls and the relative electrical supply unit - Google Patents

Automatic electrical device for forming and drying hair curls and the relative electrical supply unit Download PDF

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Publication number
US3901250A
US3901250A US379520A US37952073A US3901250A US 3901250 A US3901250 A US 3901250A US 379520 A US379520 A US 379520A US 37952073 A US37952073 A US 37952073A US 3901250 A US3901250 A US 3901250A
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United States
Prior art keywords
enclosure
supply unit
fan
generator
electrical
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Expired - Lifetime
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US379520A
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English (en)
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Umberto Tomiati
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Individual
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Individual
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    • 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
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2/36—Hair curlers or hair winders with incorporated heating or drying means, e.g. electric, using chemical reaction

Definitions

  • ABSTRACT [30] Foreign Application Priority Data J I 21 l 972 It I 8495O/72
  • An automatic electrical devlce for forming and drying u y a y hair curls comprising an external perforated enclosure in which a fan, an electrical motor, and a reg? 132/33 chargeable electric current source are arranged.
  • a mi- 42 33 crothermostat switches on the fan at a pre-determined 1 le 0 g 'f' 1 5 temperature.
  • An electrical supply unit is provided for re-charging the electrical current source during the References Cited periods of inoperation of the device.
  • Devices for forming hair curls are known by the name of curlers and usually consist of a cylindrical perforated mesh body around which the locks of hair to form the curl are wound.
  • Curlers are already known which internally comprise a fan operated by an electric motor and which allow energetic internal drying of the curler in addition to the external drying normally obtained by means of a hairdrier which emits a current of dry hot air.
  • the main object of this invention is to obviate the aforementioned disadvantages by providing a device for forming and drying curls which is completely independent of sources of external electricity during its operation.
  • a further object is that said device comes into operation automatically when predetermined temperatures of the environment in which it is situated are reached.
  • a further object is that said device is equipped with an apparatus for re-charging its own sources of electricity during periods of inoperation.
  • a further object is that said device consists of simple structural elements of reliable operation and of low production costs.
  • an automatic electrical device for forming and drying hair curls and the relative electrical supply unit comprising an external perforated enclosure substantially of cylindrical form around which can be wound hair to form a curl, a fan consisting of an electric motor and an impeller disposed in said enclosure and arranged to create a forced air current involving at least the hair wound around said enclosure, at least one re-chargeable electric current generator disposed in said enclosure for supplying said electric fan, means suitably arranged to automatically control at a predetermined temperature the supply of electric current from said generator to said fan, an electrical supply unit arranged to house simultaneously a plurality of said devices for re-charging said generators of electric current during the periods of inoperation of said devices, support means for said generator and said fan in said enclosure, and means for establish electrical connection by contact between said generator and said electrical supply unit during the re-charging of said generator.
  • FIG. 1 is a longitudinal section through a first embodiment of a device according to the invention
  • FIG. 2 is a section on the line II-II of FIG. 1;
  • FIG. 3 is a longitudinal section through a second embodiment of a device according to the invention.
  • FIG. 4 is a section on the line IV-IV of FIG. 3;
  • FIG. 5 is a longitudinal section through a third embodiment of a device according to the invention.
  • FIG. 6 is a section on the line VIVI of FIG. 5;
  • FIGS. 7, 8, 9 are sections through three electrical supply units according to the invention, suitable for recharging the batteries of the devices shown in FIGS. 1, 2 and 3 respectively.
  • the device according to the invention comprises an external enclosure 1 of substantially cylindrical perforated configuration on which hair locks are wound for forming a curl.
  • a base member 2 of insulating material which is connected to supports 3 which support a pair of re-chargeable batteries 4 and 5 and the motor 6 disposed internal to them.
  • supporting members 3 make a snug fit inside said enclosure 1.
  • the motor and batteries are inserted in said supports members to a snug fit.
  • the impeller 7 To one end of the motor 6 is connected the impeller 7 and to the other end a microthermostat 8 which in its turn is connected to the batteries 4 and 5 by way of a metal strip 9 which connects said batteries in parallel.
  • Microthermostat 8 may be substituted by by an electric circuit means comprising transistors and a thermistor.
  • the strip 3 may be reached from the outside by way of a hole 10 formed in the base member 2 so as to enable the batteries to be recharged without extracting them.
  • the second electrical contact for re-charging the batteries consists of the metal ring 1 l disposed in that end of the enclosure occupied by the batteries and connected electrically to the outside edge of both batteries.
  • FIGS. 3 and 4 show a second embodiment of a device according to the invention.
  • the generator consists of a single battery 4 located at the end opposite to that occupied by the motor 6. Separate supports 12 and 13 are provided for the battery and motor. The charging of the battery 4 takes place by direct contact of its poles with corresponding contacts of an electrical supply unit.
  • Battery 4 may be of a type having a substantially disc-like structure.
  • FIGS. 5 and 6 show a third embodiment of a device according to the invention.
  • a single battery 4 is provided with a cavity within which the motor can be housed.
  • a sealed corrosion resistant protection barrier separates the motor from the battery.
  • the microthermostat 8 is interposed between the motor and the battery to the side of the motor.
  • F lGS. 7, 8, 9 show three electrical supply units for recharging the batteries of the devices shown in FIGS. 1, 2 and 3 respectively.
  • They comprise at least one cavity 14 within which can be housed an enclosure 1 and differ one from the other only by the different disposition of the electrical contacts which correspond to the different positions of the contacts of the batteries of the three embodiments of said devices.
  • Said electrical supply unit is provided with a timer to avoid charging the battery for longer than the predetermined time and a relay voltmeter which prevents the batteries being double charged by mistake.
  • the microthermostat 8 is so calibrated as to make the electric motor 6 and relative impeller 7 operate only when a pre-determined temperature is reached, namely the temperature which is normally reached inside a hairdrier.
  • An automatic electrical device for forming and drying hair curls and the relative electrical supply unit comprising an external perforated enclosure substantially of cylindrical form around which can be wound hair to form a curl, a fan consisting of an electric motor and an impeller disposed in said enclosure and arranged to create a forced air current involving at least the hair wound around said enclosure, at least one rechargeable electric current generator disposed in said enclosure for supplying said electric fan, at least one microthermostat connected between said generator and said fan to automatically control at a predetermined temperature the supply of electriic current from said generator to said fan, an electrical supply unit arranged to house simultaneously a plurality of said devices for re-charging said generators of electric current during the periods of inoperation of said devices, sup port means for said genemator and said fan in said enclosure, and means for establishing electrical connection by contact between said generator and said electrical supply unit during the re-charging of said generator.
  • said electrical supply unit comprises a timer device arranged to limit the re-charging time for a battery and a relay voltmeter arranged to avoid erroneous successive recharging.

Landscapes

  • Hair Curling (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
US379520A 1972-07-21 1973-07-16 Automatic electrical device for forming and drying hair curls and the relative electrical supply unit Expired - Lifetime US3901250A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT84950/72A IT966967B (it) 1972-07-21 1972-07-21 Bigodino elettrico automatico ed alimentatore relativo

Publications (1)

Publication Number Publication Date
US3901250A true US3901250A (en) 1975-08-26

Family

ID=11326307

Family Applications (1)

Application Number Title Priority Date Filing Date
US379520A Expired - Lifetime US3901250A (en) 1972-07-21 1973-07-16 Automatic electrical device for forming and drying hair curls and the relative electrical supply unit

Country Status (7)

Country Link
US (1) US3901250A (en:Method)
JP (1) JPS4986155A (en:Method)
CH (1) CH559527A5 (en:Method)
DE (1) DE2336305A1 (en:Method)
FR (1) FR2193557B1 (en:Method)
GB (1) GB1440825A (en:Method)
IT (1) IT966967B (en:Method)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5808275A (en) * 1995-02-01 1998-09-15 Dalal Kana Fani Hibri Hair shaping apparatus with electrically heated rollers
US6084210A (en) * 1999-10-04 2000-07-04 Windmere Corporation Rotatable hair curler set with electric heater
US20120060858A1 (en) * 2009-04-24 2012-03-15 Elc Management Llc Infrared Emitting Hair Roller And Methods Of Use
CN102836011A (zh) * 2010-05-26 2012-12-26 郑州泽正技术服务有限公司 一种齿科涡轮手持钻
US8684012B1 (en) * 2012-05-31 2014-04-01 Denise Lynn Ryan Remote control rollers

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533818A (en) * 1983-02-16 1985-08-06 Sara Green Electric hair curler with self-contained battery power supply
GB2170705A (en) * 1984-10-20 1986-08-13 Edward Desmond Bishop Cordless hair dryer
GB8510926D0 (en) * 1985-04-30 1985-06-05 Pifco Ltd Hair treatment device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3377715A (en) * 1965-04-14 1968-04-16 Hubner Otto Portable hair dryer
US3603765A (en) * 1969-10-22 1971-09-07 Gillette Co Electrically heated hair roller with self-contained power source
US3658071A (en) * 1970-07-28 1972-04-25 Westinghouse Electric Corp Hair roller with range temperature indicator
US3667476A (en) * 1970-04-27 1972-06-06 Bio Data Corp Apparatus for monitoring body temperature and controlling a heating device to maintain a selected temperature
US3693636A (en) * 1970-02-10 1972-09-26 Umberto Tomiati Hair curl setting and drying device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3377715A (en) * 1965-04-14 1968-04-16 Hubner Otto Portable hair dryer
US3603765A (en) * 1969-10-22 1971-09-07 Gillette Co Electrically heated hair roller with self-contained power source
US3693636A (en) * 1970-02-10 1972-09-26 Umberto Tomiati Hair curl setting and drying device
US3667476A (en) * 1970-04-27 1972-06-06 Bio Data Corp Apparatus for monitoring body temperature and controlling a heating device to maintain a selected temperature
US3658071A (en) * 1970-07-28 1972-04-25 Westinghouse Electric Corp Hair roller with range temperature indicator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5808275A (en) * 1995-02-01 1998-09-15 Dalal Kana Fani Hibri Hair shaping apparatus with electrically heated rollers
US6084210A (en) * 1999-10-04 2000-07-04 Windmere Corporation Rotatable hair curler set with electric heater
US20120060858A1 (en) * 2009-04-24 2012-03-15 Elc Management Llc Infrared Emitting Hair Roller And Methods Of Use
CN102836011A (zh) * 2010-05-26 2012-12-26 郑州泽正技术服务有限公司 一种齿科涡轮手持钻
US8684012B1 (en) * 2012-05-31 2014-04-01 Denise Lynn Ryan Remote control rollers

Also Published As

Publication number Publication date
DE2336305A1 (de) 1974-02-07
IT966967B (it) 1974-02-20
FR2193557B1 (en:Method) 1977-12-23
GB1440825A (en) 1976-06-30
FR2193557A1 (en:Method) 1974-02-22
CH559527A5 (en:Method) 1975-03-14
JPS4986155A (en:Method) 1974-08-17

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