WO2002045542A1 - Ensemble seche-cheveux - Google Patents

Ensemble seche-cheveux Download PDF

Info

Publication number
WO2002045542A1
WO2002045542A1 PCT/US2001/048195 US0148195W WO0245542A1 WO 2002045542 A1 WO2002045542 A1 WO 2002045542A1 US 0148195 W US0148195 W US 0148195W WO 0245542 A1 WO0245542 A1 WO 0245542A1
Authority
WO
WIPO (PCT)
Prior art keywords
diffuser
hair dryer
hair
recited
attachment
Prior art date
Application number
PCT/US2001/048195
Other languages
English (en)
Other versions
WO2002045542B1 (fr
Inventor
David A. Ruben
Original Assignee
American Design Group
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 American Design Group filed Critical American Design Group
Priority to AU2002227390A priority Critical patent/AU2002227390A1/en
Priority to US10/433,716 priority patent/US20040047620A1/en
Publication of WO2002045542A1 publication Critical patent/WO2002045542A1/fr
Publication of WO2002045542B1 publication Critical patent/WO2002045542B1/fr

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
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically
    • A45D20/10—Hand-held drying devices, e.g. air douches
    • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
    • A45D20/122—Diffusers, e.g. for variable air flow
    • 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
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/48—Hair-drying combs or hair-drying brushes, with internal heating means
    • A45D20/50—Hair-drying combs or hair-drying brushes, with internal heating means and provision for an air stream
    • 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
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically

Definitions

  • the present invention is directed to a hair dryer assembly which includes a diffuser portion.
  • the diffuser portion contains a heating element to assist in drying and/or styling hair.
  • the operation of the diffuser heating element may be controlled by an additional switch on the hair dryer, a switch on the diffuser itself or by the same power switch as the hair dryer.
  • hair dryers are extremely popular in today's world.
  • hair dryers include an air intake portion and a fan which draws outside air into the air intake. The fan blows the air over an electrical heating element. The air is warmed and is then blown out of the hair dryer through an opening.
  • Most portable hair dryers have a gun-type shape comprised of a handle portion and a barrel portion.
  • the user holds the hair dryer at the handle portion.
  • the opening through which the warm air is expelled is located at the end of the barrel portion.
  • the user In use, the user generally holds the hair dryer by the handle such that the opening at the end of the barrel is substantially adjacent to wet hair that the user hopes to dry using the hair dryer.
  • hair dryers have not only been used to dry hair but also to assist with curling or styling hair. Generally, this is accomplished by the user using a type of brush or other implement in conjunction with the hair dryer, i some cases it is desirable to decrease the volume of air and/or the speed of the air blowing on the hair to facilitate the styling of the hair while drying.
  • Implements referred to as diffusers, are often attached to hair dryers to facilitate this. The diffusers essentially diffuse or divert a portion of the air coming from the hair dryer so that less air is blowing on the hair.
  • diffusers create additional distance between the hair dryer's heat source and the hair. Therefore when the air passes through the diffuser, heat is lost in the process. In addition, heat is lost due to the spreading of the air from the hair dryer over a greater area with the diffuser. In addition, sometimes additional heat is required to assist the user with achieving a desired hairstyle while drying the hair. In conventional hair dryers additional heat is oftentimes combined with increased air flow through the hair dryer for faster drying. However, in instances where a user desires to style the hair while drying, it is desirable to have extra heat without additional air volume or air speed blowing on the hair.
  • It is an object of the present invention to provide a hair dryer assembly comprising a hair dryer portion and a diffuser portion which includes a heating element.
  • the hair dryer element provides an implement to blow warm air over hair.
  • the diffuser portion limits the amount of air that is blown directly onto the hair.
  • the heating element is added to the diffuser to provide extra heat to the air used in drying hair and to assist with drying and styling of the hair while drying.
  • the diffuser attachment of the present invention may comprise a diffuser housing having a resistance heater positioned therein.
  • An insert may be positioned within the diffuser housing.
  • the insert may have one or more holes or spaces therein for allowing air flow through the insert.
  • the resistance heater may be positioned around the insert.
  • the diffuser further comprises a means for electrically connecting the resistance heater on the insert to a power supply circuit of a hair dryer.
  • FIG. 1 illustrates elements of a conventional hair dryer.
  • FIG. 2 is a side view of a hair dryer/diffuser assembly in accordance with the present invention.
  • FIG. 3 is an exploded view of a hair dryer assembly in accordance with the present invention.
  • FIG. 4 is a rear view of a diffuser in accordance with the present invention.
  • FIG. 5 is a side view of a diffuser in accordance with the present invention.
  • FIG. 6 is a front view of a diffuser in accordance with the present invention. DETAILED DESCRIPTION OF THE INVENTION
  • FIG. 1 shows a typical electric portable hair dryer, generally designated 2.
  • a hair dryer 2 as used with the present invention may be comprised of a handle 10 and a barrel 12; however, other configurations are within the scope of this invention.
  • the outer shell portion of the hair dryer may be fabricated of a substantially non heat conducting, and/or electrically insulated material such as plastic.
  • a motor rotates a fan 48 to achieve air flow through the hair dryer.
  • Power may be supplied to the motor by line voltage, batteries, butane or other fuel containing cartridges, or any other suitable energy source.
  • the handle of the hair dryer may be configured to receive a conventional electric power supply cord 16.
  • air is drawn into the hair dryer 2 through air inlets 14. Any number of alternate placements of air inlets are contemplated by the present invention.
  • the air drawn into the hair dryer through air inlets 14 passes over a heating element 20.
  • the heating element may be a conventional type heating element such as a resistance wire that is powered by the same energy source as the fan and motor 48.
  • the heating element warms the air as it passes over the heating element before it is expelled from the hair dryer 2 through an outlet 18 in the end of the barrel portion 12.
  • the outlet 12 does not need to be completely open to accomplish the hair dryer's purpose.
  • any means which will allow air to pass out of the air outlet of the hair dryer is considered an opening.
  • FIGS. 2-7 illustrate a diffuser, generally designated 22, for use in a hair dryer assembly in accordance with the present invention, hi a preferred embodiment, the diffuser 22 of the present invention is comprised of a heat resistant rigid plastic material which can withstand elevated temperatures without softening, melting and/or deforming, hi one embodiment, the diffuser comprises a housing 19 having a bowl shape. It should be understood that various shapes and materials for diffusers may be employed and still be within the scope of the present invention.
  • the housing 19 comprises a first end 21 for removably attaching the diffuser 22 to the hair dryer 12 and an opposite second end 23 through which air is expelled.
  • the first end of the diffuser which attaches to the hair dryer 21 is configured to be removably attached to the air outlet end of the hair dryer.
  • the first end 21 of the diffuser may have a diameter that is slightly smaller than the diameter of the air outlet of the hair dryer, so that the first end 21 of the diffuser 22 fits into the air outlet end of the barrel of the hair dryer.
  • the first end 21 of the diffuser 22 may have a diameter that is slightly larger than the diameter of the air outlet of the hair dryer so that the first end of the diffuser may be positioned around the hot air outlet end of the barrel of the hair dryer.
  • the diffuser may be held in place on the end of the barrel of the hair dryer by a variety of means including but not limited to frictional engagement with the end of the hair dryer, by a combination of corresponding slots and projections or ridges and grooves on the hair dryer barrel and/or the first end of the diffuser and/or by a means for electrically connecting the diffuser to the power supply circuit of the hair dryer.
  • a diffuser decreases the volume of air flow from a hair dryer is by spreading the air flowing from the hair dryer through the diffuser over a larger surface area.
  • Another way that a diffuser decreases air flow from the hair dryer is by covering at least a portion of the the air outlet end 23 of the diffuser.
  • the structure of the diffuser in accordance with the present invention facilitates these purposes. This diffuses or blocks some of the air coming from the hair dryer from blowing onto the hair.
  • the diffuser comprises a bowl shaped diffuser housing 19. Positioned inside the diffuser housing 19 is a diffuser insert 40.
  • the insert 40 serves to both diffuse the air flowing out from the hair dryer and it includes an additional heating element, h one embodiment, the insert 40 may be comprised of a circular piece of plastic.
  • a diffuser insert may be comprised of a piece of metal secured inside the diffuser housing. It is contemplated by the present invention that diffuser inserts may be flat, have concave or convex curvatures or other shaped surfaces. It is contemplated by the present invention that an insert as described herein could be made of various materials.
  • An insert 40 in accordance with the present invention may have one or more holes 41 therein for allowing air to flow from the outlet 18 of the hair dryer 2 through the insert 40.
  • a heating element 28 is secured around the outer circumference of the insert 40.
  • the heating element 28 may be secured to the insert 40 by any number of means, including but not limited to clips or prongs 28 as shown in FIG. 3.
  • the heating element comprises a resistance wire enclosed in an electrically insulating sleeve.
  • TMs type of heater is commonly known as a rope heater, hi other embodiments, the heating element may be ceramic heater comprised of a resistance wire encapsulated in a ceramic material, a positive temperature coefficient thermistor heater (“PTC heater”), or any other suitable heating element.
  • PTC heater positive temperature coefficient thermistor heater
  • the heating element is at least partially insulated for the safety of the user and to avoid melting or softening of the plastic material which makes up the diffuser housing and the insert.
  • the heating element may be positioned on the insert or within the diffuser housing in a variety of configurations, all of which are contemplated by the present invention.
  • a metal insert could be used without an additional heating element, if used with a hot air producing hair dryer. The hot air from the hair dryer could be used to heat up the metal insert. The heat from the metal insert would impart an additional measure of heat to the hair of a user.
  • the insert may be held inside the diffuser housing by a variety of means.
  • the insert may be held inside the bowl shaped diffuser housing by means of screws or pins.
  • the insert may be held inside the diffuser by many different means all of which are within the scope of the present invention.
  • the insert is positioned inside the diffuser so that the air expelled from the hair dryer through the diffuser receives additional warming before flowing onto the hair of the user.
  • the heating element 28 in the diffuser can be used to provide additional heat directly to the person's hair as it is being dried. This provides beneficial drying and styling effects to the user.
  • the insert may be comprised of any type of heat resistant porous material such as a sheet of foam or fabric.
  • the outlet end portion 23 of the diffuser 19 housing may be covered with a heat resistant porous material which can block some of the air exiting from the hair dryer.
  • a heating element as described above may be encased in a similar porous material and placed around the circumference of the diffuser housing.
  • the heating element may be positioned around an inner circumference of the diffuser housing or be placed in varying patterns in the diffuser housing or on the insert. It is contemplated by the present invention that the heating element 28 could be located in any position on or within the diffuser such that it will provide additional heat directly to the hair as it is being dried or to the air exiting through the outlet end 23 of the diffuser 22.
  • the diffuser may be additionally equipped with styling implements such as those represented by 26 in FIGS. 3 and 6.
  • the styling implements may be used for various purposes such as to lift the hair while drying, to comb or detangle the hair while drying.
  • the heating element may be a part of an insert or attached directly to the diffuser housing.
  • porous material as described above could be used with a heating element on the outside of the diffuser.
  • the styling implements 26 (FIG. 2) could also be used in conjunction with or as an alternative to both of these embodiments.
  • FIG. 3 illustrates how the diffuser 22 and the hair dryer 2 are electrically coupled together to form a hair dryer assembly in accordance with the present invention.
  • the barrel end of the hair dryer will be equipped with a means for connecting 30 the diffuser 22 to the dryer 2 such that there is an electrical connection between the diffuser and the hair dryer, hi this embodiment, an electrical connection terminal 24 is attached at the first end 21 of the diffuser that attaches to the hair dryer.
  • the terminals may be of a conventional "pin" type 24 or of any other known type.
  • the air outlet of the hair dryer there is positioned a socket adapter 30 configured to accept the electrical connection terminal of the diffuser. Conventionally known leads connect the socket adaptor to the power supply circuit of the hair dryer .
  • the diffuser' s electrical attachment means 24 and the connecting means 30 of the hair dryer can be connected to form the assembly of the present invention.
  • the power supply distribution may be controlled by one or more on-off switches which correspond to the hair dryer, the diffuser or both, such as switch 46 shown in FIG. 1.
  • the power level from the energy source should be sufficient to maintain a temperature which is sufficient for drying or curling hair. It should be understood that any range of temperatures could be used so long as they are comfortable for users of the hair dryer and do not scorch or burn the hair when used for drying and/or styling.
  • the hair dryer uses line voltage as a power source
  • there will typically be a single electric power supply cord e.g. 16, FIG. 1 which can be connected to a typical wall outlet.
  • the power cord provides power to two separate lines in the hair dryer. A first line will provide power to the motor and heating element in the hair dryer while the second line will provide power to the heating element of the diffuser.
  • Switches to control electrical functions are known. Any combination of switches to control single or multiple electrical functions are within the scope of the present invention.
  • two separate switches can be connected to the hair dryer to control the power of each of the hair dryer motor and heater and the diffuser heating element.
  • One example switch is designated as 46 in FIG. 1.
  • the hair dryer can be used with or without the diffuser and heating element.
  • one switch will be connected to the power line connected to the hair dryer motor and heater and will turn on the hair dryer for drying of the hair.
  • the other switch controls the power line leading to the diffuser attachment of the hair dryer.
  • the diffuser is essentially "plugged in" to the hair dryer.
  • the second switch When the second switch is turned on, power is supplied to the heating element of the diffuser by the second line.
  • the heating element of the diffuser is warmed, additional heat is transmitted to the air passing through the hair dryer and diffuser to facilitate drying and styling of the hair.
  • the switch which controls the power to the diffuser heating element may be on the diffuser rather than the hair dryer.
  • the same power line may provide power to both the motor, hair dryer heater, and the diffuser heating element.
  • only one switch will be required. When the switch is turned to it's "ON" position, both the motor, the hair dryer heater and the diffuser heater will operate. It should be understood that a diffuser as described herein could also be used with a hair dryer which does not have a heating element or has an inoperable heating element.
  • the diffuser will have an opening at the narrow end for attaching to the barrel of the hair dryer.
  • the diffuser can be attached to the barrel of the hair dryer through known mechanical means.
  • the opening in the narrow end of the diffuser can be just slightly larger than the end of the hair dryer barrel and narrow slightly inward so that the diffuser can slide a short distance on to the barrel of the hair dryer.
  • Other mechanical means for holding the diffuser to the barrel of the hair dryer include cam action, clips, set screws and any other known means.
  • the diffuser heating element will have its own power supply such as a power supply cord, batteries a butane or other fuel containing cartridge or other suitable power source.
  • the diffuser will be equipped with a switch for turning on the power of the heating element.
  • the diffuser may be provided as a part of the hair dryer and be turned on/off by its own power switch or by the same power switch as the hair dryer as described above.
  • the hair dryer and diffuser form a single, non- separable unit.
  • the diffuser described above could be provided as a retro-fit kit for existing hair dryers.
  • the diffuser in this embodiment may have its own power source or may comprise a means to comiect it to the power source of existing hair dryers.
  • the diffuser may have its own power supply cord, be equipped for battery or fuel cartridge power or could be spliced into the power supply of existing hair dryers.
  • the hair dryer may have a range of temperature and/or air speed settings and that the heating element of the diffuser may have a range of temperature settings.
  • the switch which controls the motor and/or heating element of the hair dryer may have HIGH, MEDIUM and LOW settings which refer to the temperature of the hair dryer heating element and the speed of the motor.
  • the switch which controls the diffuser may have a range of settings such as HIGH, MEDIUM and LOW which refer to the temperature of the heater in the diffuser. The switch may control the temperature of the diffuser heater by controlling the power supplied to the heating element.
  • the invention described above can be used in several fashions to dry hair. For instance, sections of wet, damp or dry hair can be positioned into the diffuser. When the hair dryer portion is powered on, air will begin to flow onto the hair.
  • the heating element of the diffuser can further be powered on either before or after the hair dryer is turned on.
  • the heating element of the diffuser or the hair dryer could be used alone to assist with styling of the hair.
  • the hair dryer could be utilized with or without having the diffuser attached thereto or with or without turning on the diffuser heating element. It is contemplated that the hair dryer assembly of the present invention could be used on wet, damp or dry hair.

Landscapes

  • Cleaning And Drying Hair (AREA)

Abstract

L'invention a trait à un ensemble sèche-cheveux qui fournit une quantité supplémentaire de chaleur à l'air qui s'échappe du séchoir. Cet ensemble comprend un sèche-cheveux portatif (2) ainsi qu'un diffuseur (22) fixé à l'extrémité de sortie d'air (18) du sèche-cheveux (2). Ce diffuseur comporte un élément chauffant (28) servant à chauffer davantage et directement les cheveux d'un utilisateur ou l'air s'échappant du sèche-cheveux (2) à travers le diffuseur (22). Cette quantité supplémentaire d'air contribue à un meilleur séchage et/ou coiffage des cheveux.
PCT/US2001/048195 2000-12-07 2001-12-07 Ensemble seche-cheveux WO2002045542A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2002227390A AU2002227390A1 (en) 2000-12-07 2001-12-07 Hair dryer assembly
US10/433,716 US20040047620A1 (en) 2000-12-07 2001-12-07 Hair dryer assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25199400P 2000-12-07 2000-12-07
US60/251,994 2000-12-07

Publications (2)

Publication Number Publication Date
WO2002045542A1 true WO2002045542A1 (fr) 2002-06-13
WO2002045542B1 WO2002045542B1 (fr) 2003-02-20

Family

ID=22954217

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/048195 WO2002045542A1 (fr) 2000-12-07 2001-12-07 Ensemble seche-cheveux

Country Status (3)

Country Link
US (1) US20040047620A1 (fr)
AU (1) AU2002227390A1 (fr)
WO (1) WO2002045542A1 (fr)

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WO2006123096A1 (fr) * 2005-05-16 2006-11-23 Rockmist Limited Fixation de diffuseur pour seche-cheveux
ITMI20110544A1 (it) * 2011-04-01 2012-10-02 Tenacta Group Spa Dispositivo per asciugare i capelli
CN114947337A (zh) * 2021-02-25 2022-08-30 泰纳克塔集团股份公司 一种用于头发处理的排气装置

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US7876917B2 (en) 2006-08-28 2011-01-25 Youngtack Shim Generic electromagnetically-countered systems and methods
US9112395B2 (en) 2006-08-28 2015-08-18 Youngtack Shim Electromagnetically-countered actuator systems and methods
US8625306B2 (en) 2006-08-28 2014-01-07 Youngtack Shim Electromagnetically-countered display systems and methods
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WO2008027171A1 (fr) * 2006-08-31 2008-03-06 Conair Corporation Accessoire de sèche-cheveux muni d'un joint pivotant
US8407913B2 (en) * 2007-09-27 2013-04-02 Wahl Clipper Corporation Conditioner infuser for hair dryer attachment
US20090100698A1 (en) * 2007-10-22 2009-04-23 Elizabeth Primm Diffuser for hair dryer
US8080764B2 (en) * 2008-08-23 2011-12-20 Farouk Systems, Inc. Hair iron
CN102215715B (zh) * 2008-11-17 2013-06-12 新联电器厂有限公司 用于头发造型的配件
US8272142B2 (en) * 2009-10-02 2012-09-25 Vexpro, Llc Hair dryer
US20110209721A1 (en) * 2009-11-25 2011-09-01 Goody Products, Inc. Ultrasonic Hair Dryer
US9237789B2 (en) 2010-03-11 2016-01-19 Barry V Prehodka Hair dryer systems and methods and attachments for such hair dryer systems
GB2539437B (en) 2015-06-16 2018-07-04 Dyson Technology Ltd Diffuser
GB2539431B (en) 2015-06-16 2018-01-03 Dyson Technology Ltd Diffuser
EP3106058A1 (fr) 2015-06-16 2016-12-21 Dyson Technology Limited Diffuseur
GB2539432B (en) 2015-06-16 2019-01-09 Dyson Technology Ltd Diffuser
GB2539441B (en) 2015-06-16 2019-01-09 Dyson Technology Ltd Diffuser
EP3310205A1 (fr) 2015-06-16 2018-04-25 Dyson Technology Limited Diffuseur
USD858873S1 (en) * 2015-09-15 2019-09-03 Turbo Ion, Inc. Hair dryer
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Publication number Priority date Publication date Assignee Title
WO2006123096A1 (fr) * 2005-05-16 2006-11-23 Rockmist Limited Fixation de diffuseur pour seche-cheveux
ITMI20110544A1 (it) * 2011-04-01 2012-10-02 Tenacta Group Spa Dispositivo per asciugare i capelli
CN114947337A (zh) * 2021-02-25 2022-08-30 泰纳克塔集团股份公司 一种用于头发处理的排气装置

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