CA2442968A1 - Hair dryer employing far-infrared radiation - Google Patents
Hair dryer employing far-infrared radiation Download PDFInfo
- Publication number
- CA2442968A1 CA2442968A1 CA002442968A CA2442968A CA2442968A1 CA 2442968 A1 CA2442968 A1 CA 2442968A1 CA 002442968 A CA002442968 A CA 002442968A CA 2442968 A CA2442968 A CA 2442968A CA 2442968 A1 CA2442968 A1 CA 2442968A1
- Authority
- CA
- Canada
- Prior art keywords
- elongate body
- fan
- energized
- hair dryer
- outlet
- 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.)
- Abandoned
Links
- 230000005855 radiation Effects 0.000 title claims abstract description 18
- 239000000919 ceramic Substances 0.000 claims abstract description 39
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000005755 formation reaction Methods 0.000 claims description 7
- 239000003607 modifier Substances 0.000 abstract description 5
- 229910018487 Ni—Cr Inorganic materials 0.000 description 4
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000003462 bioceramic Substances 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
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
-
- 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
- A45D20/22—Helmets with hot air supply or ventilating means, e.g. electrically heated air current
- A45D20/38—Arrangement of the electric heating means
- A45D20/40—Arrangement of the electric heating means for use of infrared rays
-
- 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
- A45D2200/00—Details not otherwise provided for in A45D
- A45D2200/20—Additional enhancing means
- A45D2200/202—Ionisation
-
- 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
- A45D2200/00—Details not otherwise provided for in A45D
- A45D2200/20—Additional enhancing means
- A45D2200/205—Radiation, e.g. UV, infrared
Abstract
A hair dryer (10) employing a radiator made of a ceramic adapted when heated to radiate far-infrared radiation which includes an elongate body (20), which has an inlet end defining an inlet (24) and an outlet end (26) defining an outlet (28), a fan (40), which is adapted when driven to draw air into the inlet, to move air through the elongate body, and to blow air from the outlet, an electrical motor (50), which is adapted when energized to drive the fan, and an electrical heater (60), which is mounted within the elongate body, between the fan and the outlet. The ceramic radiator is configured as a grille having plural apertures (104), through which air can flow when moved through the elongate body by the fan when energized. As the flow modifier (120), such as a flow concentrator, would be otherwise mounted, the ceramic radiator is mounted to the elongate body, at or near the outlet end, within the outlet, via a generally tubular adapter. The ceramic radiator is mounted so as to be radiantly heated by the electrical heater when energized and so as to be additionally heated by air being moved through the elongate body by the fan when the electrical motor is energized and being heated by the electrical heater when the electrical heater is energized.
Description
Title of the Invention HATR DRYER EMPLOYING FAR-INFRARED RADIATION
Field of the Invention This invention pertains to a hair dryer employing a radiator made of a ceramic adapted when heated to radiate far-infrared radiation.
Background of the Invention Conventionally, a hair dryer employs a heating wire, such as a nickel-chromium (Ni-Cr) wire, and relies upon heat convection only to dry a user's hair.
As exemplified in United States Patent No. 6,205,677 (from International Application No. PCT/KR99/00336) it has been known for a hair dryer to employ a heater radiating far-infrared radiation. As exemplified therein, the heater radiating far-infrared radiation is a halogen heater, which comprises a heating wire within a gas-filled, quartz tube. Such a hair dryer employs far-infrared radiation as well as heat convection to dry a user's hair.
Certain ceramics containing silica oxide (Si02) and aluminum oxide (ALa02) are known to radiate far-infrared radiation when heated. In some publications, because of biological and physiological effects attributed to far-infrared radiation by researchers in Japan, Korea, and elsewhere, such ceramics that radiate far-infrared radiation are called bio-ceramics. Also, in some publications, far-infrared radiation is called by a "FIR" acronym.
Hereinbefore and hereinafter, although far-infrared radiation refers to a much wider range in astronomy and astrophysics, far-infrared radiation refers to electromagnetic radiation having a wave length in a range from approximately five microns to approximately fifteen microns.
Summary of the Invention This invention provides a hair dryer employing a radiator made of a ceramic, such as a bio-ceramic, which is adapted when heated to radiate far-infrared radiation. A ceramic suitable for the radiator is available commercially from Tae Yang Ind. Co. of Majungong 87-1, Sugu, Inchon, Korea, under its CELAMINE trademark.
The hair dryer comprises an elongate body, which has an inlet end defining an inlet and an outlet end defining an outlet. The hair dryer further comprises a fan, which is adapted when driven to draw air into the inlet, to move air through the elongate body, and to blow air from the outlet, and an electrical motor, which is adapted when energized to drive the fan. The hair dryer further comprises an electrical heater, which is mounted within the elongate body, between the fan and the outlet.
This invention contemplates that the ceramic radiator is mounted to the elongate body, at or near the outlet end, so as to be radiantly heated by the electrical heater when energized and so as to be additionally heated by air being moved through the elongate body by the fan when the electrical motor is energized and being heated by the electrical heater when the electrical heater is energized.
Preferably, the elongate body, at or near the outlet end, and the ceramic radiator have respective formations, which enable the ceramic radiator to be snap-fitted onto the elongate body, at or near the outlet end. In a preferred embodiment, such formations enable the ceramic radiator to be snap fitted onto the elongate body, at or near the outlet end, within the outlet. Preferably, the electric heater is configured as a grille having plural apertures, through which air can flow when moved through the elongate body by the fan when energized.
For a discussion of certain effects attributed to far-infrared radiation, particularly in a context of a hair dryer, the disclosure of United States Patent No.
6,205,677, supra, is incorporated herein by reference.
Brief Description of the Drawings Figure 1 is a longitudinal, cross-sectional view of a hair dryer employing a ceramic radiator, as discussed above, and constituting a preferred embodiment of this invention.
Figure 2 is a transverse, cross-sectional view taken along line 2-2 of Figure 1, in a direction indicated by arrows.
Detailed Description of the Preferred Embodiment As shown, a hair dryer 10 employing a ceramic radiator 100, as discussed above, constitutes a preferred embodiment of this invention. When heated in a manner to be later described, the ceramic radiator 100 radiates far-infrared radiation, i. e., electromagnetic radiation having a wave length in a range from approximately five microns to approximately fifteen microns.
The hair dryer 10 comprises an elongate body 20, which has an inlet end 22 defining an inlet 24 and an outlet end 26 defining an outlet 2~ and which has an attached handle 30 mounting an electrical switching means 32. The elongate body 20 is lined with thermally insulative materials 34, 36, of types used conventionally in hair dryers.
Field of the Invention This invention pertains to a hair dryer employing a radiator made of a ceramic adapted when heated to radiate far-infrared radiation.
Background of the Invention Conventionally, a hair dryer employs a heating wire, such as a nickel-chromium (Ni-Cr) wire, and relies upon heat convection only to dry a user's hair.
As exemplified in United States Patent No. 6,205,677 (from International Application No. PCT/KR99/00336) it has been known for a hair dryer to employ a heater radiating far-infrared radiation. As exemplified therein, the heater radiating far-infrared radiation is a halogen heater, which comprises a heating wire within a gas-filled, quartz tube. Such a hair dryer employs far-infrared radiation as well as heat convection to dry a user's hair.
Certain ceramics containing silica oxide (Si02) and aluminum oxide (ALa02) are known to radiate far-infrared radiation when heated. In some publications, because of biological and physiological effects attributed to far-infrared radiation by researchers in Japan, Korea, and elsewhere, such ceramics that radiate far-infrared radiation are called bio-ceramics. Also, in some publications, far-infrared radiation is called by a "FIR" acronym.
Hereinbefore and hereinafter, although far-infrared radiation refers to a much wider range in astronomy and astrophysics, far-infrared radiation refers to electromagnetic radiation having a wave length in a range from approximately five microns to approximately fifteen microns.
Summary of the Invention This invention provides a hair dryer employing a radiator made of a ceramic, such as a bio-ceramic, which is adapted when heated to radiate far-infrared radiation. A ceramic suitable for the radiator is available commercially from Tae Yang Ind. Co. of Majungong 87-1, Sugu, Inchon, Korea, under its CELAMINE trademark.
The hair dryer comprises an elongate body, which has an inlet end defining an inlet and an outlet end defining an outlet. The hair dryer further comprises a fan, which is adapted when driven to draw air into the inlet, to move air through the elongate body, and to blow air from the outlet, and an electrical motor, which is adapted when energized to drive the fan. The hair dryer further comprises an electrical heater, which is mounted within the elongate body, between the fan and the outlet.
This invention contemplates that the ceramic radiator is mounted to the elongate body, at or near the outlet end, so as to be radiantly heated by the electrical heater when energized and so as to be additionally heated by air being moved through the elongate body by the fan when the electrical motor is energized and being heated by the electrical heater when the electrical heater is energized.
Preferably, the elongate body, at or near the outlet end, and the ceramic radiator have respective formations, which enable the ceramic radiator to be snap-fitted onto the elongate body, at or near the outlet end. In a preferred embodiment, such formations enable the ceramic radiator to be snap fitted onto the elongate body, at or near the outlet end, within the outlet. Preferably, the electric heater is configured as a grille having plural apertures, through which air can flow when moved through the elongate body by the fan when energized.
For a discussion of certain effects attributed to far-infrared radiation, particularly in a context of a hair dryer, the disclosure of United States Patent No.
6,205,677, supra, is incorporated herein by reference.
Brief Description of the Drawings Figure 1 is a longitudinal, cross-sectional view of a hair dryer employing a ceramic radiator, as discussed above, and constituting a preferred embodiment of this invention.
Figure 2 is a transverse, cross-sectional view taken along line 2-2 of Figure 1, in a direction indicated by arrows.
Detailed Description of the Preferred Embodiment As shown, a hair dryer 10 employing a ceramic radiator 100, as discussed above, constitutes a preferred embodiment of this invention. When heated in a manner to be later described, the ceramic radiator 100 radiates far-infrared radiation, i. e., electromagnetic radiation having a wave length in a range from approximately five microns to approximately fifteen microns.
The hair dryer 10 comprises an elongate body 20, which has an inlet end 22 defining an inlet 24 and an outlet end 26 defining an outlet 2~ and which has an attached handle 30 mounting an electrical switching means 32. The elongate body 20 is lined with thermally insulative materials 34, 36, of types used conventionally in hair dryers.
The hair dryer 10 further comprises a fan 40, which is adapted when driven to draw air into the inlet 24, to move air through the elongate body 20, and to blow air from the outlet 28, and an electrical motor 50, which is adapted when energized to drive the fan 40 via a rotary shaft 42. The hair dryer 10 further comprises an electrical heater 60, which is mounted within the elongate body 20, between the fan 40 and the outlet 28 and which comprises an elongate coil 62 of a heating wire, such as a nickel-chromium (Ni-Cr) wire. The elongate coil 62 is mounted within the elongate body 20 via mounting tabs 66.
The fan 40 and the electrical heater 60 are controlled by the electrical switching means 32, through which the fan 40 and the electrical heater 60 are connectable to a source (not shown) of electrical power. The electrical switching means 32 may comprise a single switch 44 to control the fan 40 and to control the electrical heater 60 or, if desired, a separate switch (not shown) to control the fan 40 and a separate switch (not shown) to control the electrical heater 60. The fan 40 and the electrical heater 60 may be thus controlled at a single setting for each or at plural, selectable settings for one or for both.
As mounted to the elongate body 20, at the outlet end 26, the ceramic radiator 100 is configured as a grille having an outer, generally cylindrical edge 102 and having plural apertures 104, which are defined by crossed members 106 and through which air can flow when moved through the elongate body 20 by the fan 40 when energized.
A generally tubular adapter 110 having an inner end 112, an outer end 114, and two circumferential, radially inwardly projecting ribs 116 is provided, in which the ceramic radiator 100 is mounted, between the ribs 116. The elongate body 20, at the outlet end 26, and the generally tubular adapter 110, at the inner end 112, have respective formations 108, 118, which enable the generally tubular adapter 110 to be snap-fitted onto the elongate body 20, at the outer end 26, within the outlet 28, whereby to mount the ceramic radiator 100 onto the elongate body 20, at the outlet end 28.
Being mounted to the elongate body 20, at the outlet end 26, as described above, the ceramic radiator 100 is mounted so as to be radiantly heated by the electrical heater 60 when the electrical heater 60 is energized and so as to be additionally heated by air being moved through the elongate body 20 by the fan when the electrical motor 50 is energized and being heated by the electrical heater 60 when the electrical heater 60 is energized.
A flow modifier 120, at an inner end 122, and the generally tubular adaptor 110, at the inner end 112, have similar formations 124, 126, which enable the flow concentrator 120 to be snap-fitted onto the generally tubular adapter 110. If the ceramic radiator 100 and the tubular adapter 110 were not provided, the flow concentrator 120 could be snap-fitted onto the elongate body 20, at the outer end 26, within the outlet 28. As shown, the flow modifier 120 is a flow concentrator of a known type, which is provided commonly on a hair dryer. Alternatively, the flow modifier could be a flow diffuser (not shown) of a known type, which is provided commonly on a hair dryer.
Broadly, as the generally tubular adapter 100 is mountable as and where the flow modifier 120 would be otherwise mounted, this invention enables a ceramic radiator, such as the ceramic radiator 100, to be readily adapted for any hair dryer having an elongate body with suitable formations enabling a flow concentrator or a flow diffuser to be snap fitted onto the elongate body, at or near an outlet end of the elongate body.
The fan 40 and the electrical heater 60 are controlled by the electrical switching means 32, through which the fan 40 and the electrical heater 60 are connectable to a source (not shown) of electrical power. The electrical switching means 32 may comprise a single switch 44 to control the fan 40 and to control the electrical heater 60 or, if desired, a separate switch (not shown) to control the fan 40 and a separate switch (not shown) to control the electrical heater 60. The fan 40 and the electrical heater 60 may be thus controlled at a single setting for each or at plural, selectable settings for one or for both.
As mounted to the elongate body 20, at the outlet end 26, the ceramic radiator 100 is configured as a grille having an outer, generally cylindrical edge 102 and having plural apertures 104, which are defined by crossed members 106 and through which air can flow when moved through the elongate body 20 by the fan 40 when energized.
A generally tubular adapter 110 having an inner end 112, an outer end 114, and two circumferential, radially inwardly projecting ribs 116 is provided, in which the ceramic radiator 100 is mounted, between the ribs 116. The elongate body 20, at the outlet end 26, and the generally tubular adapter 110, at the inner end 112, have respective formations 108, 118, which enable the generally tubular adapter 110 to be snap-fitted onto the elongate body 20, at the outer end 26, within the outlet 28, whereby to mount the ceramic radiator 100 onto the elongate body 20, at the outlet end 28.
Being mounted to the elongate body 20, at the outlet end 26, as described above, the ceramic radiator 100 is mounted so as to be radiantly heated by the electrical heater 60 when the electrical heater 60 is energized and so as to be additionally heated by air being moved through the elongate body 20 by the fan when the electrical motor 50 is energized and being heated by the electrical heater 60 when the electrical heater 60 is energized.
A flow modifier 120, at an inner end 122, and the generally tubular adaptor 110, at the inner end 112, have similar formations 124, 126, which enable the flow concentrator 120 to be snap-fitted onto the generally tubular adapter 110. If the ceramic radiator 100 and the tubular adapter 110 were not provided, the flow concentrator 120 could be snap-fitted onto the elongate body 20, at the outer end 26, within the outlet 28. As shown, the flow modifier 120 is a flow concentrator of a known type, which is provided commonly on a hair dryer. Alternatively, the flow modifier could be a flow diffuser (not shown) of a known type, which is provided commonly on a hair dryer.
Broadly, as the generally tubular adapter 100 is mountable as and where the flow modifier 120 would be otherwise mounted, this invention enables a ceramic radiator, such as the ceramic radiator 100, to be readily adapted for any hair dryer having an elongate body with suitable formations enabling a flow concentrator or a flow diffuser to be snap fitted onto the elongate body, at or near an outlet end of the elongate body.
As compared to known hair dryers relying upon heat convection only, the hair dryer 10 can be effectively operated at lower temperatures and with higher efficiencies.
Claims (10)
1. A hair dryer employing a radiator made of a ceramic adapted when heated to radiate far-infrared radiation, the hair dryer comprising an elongate body, which has an inlet end defining an inlet and an outlet end defining an outlet, a fan, which is adapted when driven to draw air into the inlet, to move air through the elongate body, and to blow air from the outlet, an electrical motor, which is adapted when energized to drive the fan, and an electrical heater, which is mounted within the elongate body, between the fan and the outlet, the ceramic radiator being mounted to the elongate body, at the outlet end, so as to be radiantly heated by the electrical heater when energized and so as to be additionally heated by air being moved through the elongate body by the fan when the electrical motor is energized and being heated by the electrical heater when the electrical heater is energized.
2. The hair dryer of claim 1 wherein the ceramic radiator has an outer, generally cylindrical edge, wherein the hair dryer further comprises a generally tubular adapter, in which the ceramic radiator is mounted, and wherein the elongate body, at the outlet end, and the generally tubular adapter have respective formations, which are adapted to be snap-fitted together so as to mount the ceramic radiator onto the elongate body, at or near the outlet end.
3. The hair dryer of claim 1 wherein the ceramic radiator has an outer, generally cylindrical edge, wherein the hair dryer further comprises a generally tubular adapter, in which the ceramic radiator is mounted, and wherein the elongate body, at the outlet end, and the generally tubular adapter have respective formations, which are adapted to be snap-fitted together so as to mount the ceramic radiator onto the elongate body, at or near the outlet end, within the outlet.
4. The hair dryer of claim 1 wherein the ceramic radiator is configured as a grille having plural apertures, through which air can flow when moved through the elongate body by the fan when energized.
5. The hair dryer of claim 2 wherein the ceramic radiator is configured as a grille having plural apertures, through which air can flow when moved through the elongate body by the fan when energized.
6. The hair dryer of claim 3 wherein the ceramic radiator is configured as a grille having plural apertures, through which air can flow when moved through the elongate body by the fan when energized.
7. A hair dryer employing a radiator made of a ceramic adapted when heated to radiate far-infrared radiation, the hair dryer comprising an elongate body, which has an inlet end defining an inlet and an outlet end defining an outlet, a fan, which is adapted when driven to draw air into the inlet, to move air through the elongate body, and to blow air from the outlet, an electrical motor, which is adapted when energized to drive the fan, and an electrical heater, which is mounted within the elongate body, between the fan and the outlet, the ceramic radiator being mounted to the elongate body, near the outlet end, so as to be radiantly heated by the electrical heater when energized and so as to be additionally heated by the air being moved through the elongate body by the fan when the electrical motor is energized and being heated by the electrical heater when the electrical heater is energized.
8. The hair dryer of claims 7 wherein the ceramic radiator is configured as a grille having plural apertures, through which air can flow when moved through the elongate body by the fan when energized.
9. The hair dryer of claims 7 wherein the ceramic radiator is mounted near the outlet end, within the elongate body.
10. The hair dryer of claim 9 wherein the ceramic radiator is configured as a grille having plural apertures, through which air can flow when moved through the elongate body by the fan when energized.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/824,066 US6378225B1 (en) | 2001-04-02 | 2001-04-02 | Hair dryer employing far-infrared radiation |
| US09/824,066 | 2001-04-02 | ||
| US09/837,688 | 2001-04-18 | ||
| US09/837,688 US6481116B1 (en) | 2001-04-02 | 2001-04-18 | Hair dryer employing far-infrared radiation |
| PCT/US2002/002833 WO2002080729A1 (en) | 2001-04-02 | 2002-02-01 | Hair dryer employing far-infrared radiation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2442968A1 true CA2442968A1 (en) | 2002-10-17 |
Family
ID=27124784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002442968A Abandoned CA2442968A1 (en) | 2001-04-02 | 2002-02-01 | Hair dryer employing far-infrared radiation |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1385401A4 (en) |
| JP (1) | JP2004524120A (en) |
| CA (1) | CA2442968A1 (en) |
| WO (1) | WO2002080729A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3785422B2 (en) * | 2004-09-14 | 2006-06-14 | 株式会社万雄 | Hot air heater |
| CN2856836Y (en) | 2005-04-18 | 2007-01-10 | 壁基国际有限公司 | Electrothermal fan |
| GB2444028A (en) * | 2006-11-23 | 2008-05-28 | Stephen Ball | Personal drying apparatus with heater, fan and infra-red source |
| KR101453397B1 (en) | 2008-05-01 | 2014-10-23 | (주)지투스 | far infrared ray treatment apparatus |
| GB201313535D0 (en) | 2013-07-30 | 2013-09-11 | Kyasa Richard K | Hairdryers |
| WO2015083632A1 (en) * | 2013-12-03 | 2015-06-11 | ヤーマン株式会社 | Dryer |
| JP7179302B1 (en) * | 2022-01-31 | 2022-11-29 | 株式会社ヒラタ | Terahertz wave generator and dryer |
| JP7312350B1 (en) * | 2022-12-26 | 2023-07-21 | 株式会社Ibis | Heating element structure and manufacturing method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4263500A (en) * | 1978-06-19 | 1981-04-21 | Clairol Incorporated | Infrared heating hair dryer |
| JPH01128703U (en) * | 1988-02-23 | 1989-09-01 | ||
| GB2226954B (en) * | 1989-01-16 | 1993-05-12 | Dixons Group Plc | Hairdryer |
| EP0527253A1 (en) * | 1991-08-12 | 1993-02-17 | Soclair S.A.R.L. | Electric air drier |
| GB2263401B (en) * | 1992-01-24 | 1994-10-12 | Kenwood Marks Ltd | Diffuser for a hair dryer |
| FR2689735B1 (en) * | 1992-04-13 | 1995-01-27 | Krups Robert Gmbh Co Kg | Hot air blower to dry hair. |
| EP0672871B1 (en) * | 1994-03-16 | 2000-01-26 | Laboratoires D'electronique Philips S.A.S. | Forced air heater with an infra-red sensor |
| US6285828B1 (en) * | 2000-05-23 | 2001-09-04 | Helen Of Troy | Infrared hair dryer heater |
-
2002
- 2002-02-01 CA CA002442968A patent/CA2442968A1/en not_active Abandoned
- 2002-02-01 EP EP02709260A patent/EP1385401A4/en not_active Withdrawn
- 2002-02-01 WO PCT/US2002/002833 patent/WO2002080729A1/en not_active Application Discontinuation
- 2002-02-01 JP JP2002578773A patent/JP2004524120A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002080729A1 (en) | 2002-10-17 |
| JP2004524120A (en) | 2004-08-12 |
| EP1385401A4 (en) | 2004-07-21 |
| WO2002080729B1 (en) | 2003-03-27 |
| EP1385401A1 (en) | 2004-02-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDC | Discontinued application reinstated | ||
| FZDE | Discontinued |