EP1267659A2 - Haarpflegegerät, vorzugsweise lockenstab - Google Patents
Haarpflegegerät, vorzugsweise lockenstabInfo
- Publication number
- EP1267659A2 EP1267659A2 EP01927717A EP01927717A EP1267659A2 EP 1267659 A2 EP1267659 A2 EP 1267659A2 EP 01927717 A EP01927717 A EP 01927717A EP 01927717 A EP01927717 A EP 01927717A EP 1267659 A2 EP1267659 A2 EP 1267659A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- heating element
- heating
- hair care
- partition
- care device
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 36
- 229910052742 iron Inorganic materials 0.000 title claims description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 124
- 230000005855 radiation Effects 0.000 claims abstract description 11
- 239000000446 fuel Substances 0.000 claims abstract 4
- 238000005192 partition Methods 0.000 claims description 39
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000002309 gasification Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 description 19
- 239000007789 gas Substances 0.000 description 18
- 239000003054 catalyst Substances 0.000 description 9
- 238000007084 catalytic combustion reaction Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 230000000007 visual effect Effects 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
- A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
- A45D1/02—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel
Definitions
- Hair care device preferably curling iron
- the invention relates to a hair care device, preferably a curling iron, according to the features of the preamble of patent claim 1.
- Such a hair care device as a curling iron is known for example from DE-38 43 186 C2.
- a heating element consisting of a tubular burner housing and a rod-shaped thermostat, designed as a control rod and running in the longitudinal direction of the heating device, is arranged laterally and is mechanically connected at one end to a valve device.
- the control rod controls the valve device as a function of temperature, which in turn then regulates the gas supply to the heating device. In this way, the temperature of the curling iron or the temperature of the heating rod is regulated.
- the heating device emits its thermal energy in the form of heat radiation and free convection both to the tubular heating rod and directly to the thermostats.
- the influence of the heat of the heating device on the expansion of the control rod is thus considerably greater than the influence of the heat flowing from the heating rod to the control rod.
- the controller receives the largest percentage of its temperature information from the heating device, which is used as an open flame or as a catalyst can be executed.
- the heat acting directly on the control rod from the heating device can therefore lead to the control rod being de-energized too early, so that the heating rod does not warm up quickly enough.
- the dwell time until the valve device is adjusted is relatively long because the cooling of the control rod and thus the opening of the valve device takes a certain time in which rapid heating of the heating element is weakened.
- the temperature of the heating element during operation does not always have the optimum temperature for a sufficient formation of curls, ie the temperature of the heating element can be too high or too low because the system limits itself when reheating and therefore only regulates the temperature of the heating element to a limited extent.
- the object of the invention is therefore to improve a hair care device, preferably a curling iron, in such a way that the temperature of the heating rod is better detected and the heating rod can thus be heated up more quickly. In operation, the heating element should then also maintain a much more uniform temperature without undesirable temperature peaks occurring both upwards and downwards.
- the thermostat therefore largely gets its temperature from the temperature of the partition wall and the heating element, ie the thermostat now regulates the gas flow according to the invention depending on the temperature of the heating element, and preferably when there is a thermal Balance between the temperature of the heating element, the partition and the temperature of the thermostat.
- the system responds more quickly to changes in the temperature of the heating element and no longer primarily to changes in the temperature of the heating device.
- the thermostat therefore receives its data from the temperature of the heating element and the partition wall rather than from the temperature of the heating device. This allows the temperature of the heating element to be regulated more precisely.
- Another advantage is that in the cold adjustment of the thermostat after the manufacture and assembly of the hair care device, the setting of many series devices is approximated or simplified, ie, practically no cold adjustment is required or it can be accomplished much faster on the devices manufactured , since the tolerances that inevitably arise during manufacture and assembly, as well as the now less occurring or less high temperature peaks, have a significantly smaller effect on the control behavior of the hair care device.
- the heating device is only regulated when the heating element has practically reached its optimum temperature for treating hair.
- the thermostat regulates the valve device used to control the heating device very sensitively and quickly, so that the temperature of the heating element is only exposed to very slight temperature fluctuations. The result is that, on the one hand, hair cannot be overstressed due to the lack of temperature peaks, but on the other hand, the optimum temperature for quickly shaping the hair is always largely maintained.
- heat conduction also acts on the partition wall in order to largely adapt the temperature of the partition wall to the temperature of the heating element, and this also taking into account that the wall of the heating device is closer to the partition wall is than the entire inner surface of the heating element.
- the partition and the thermostat run essentially parallel to the tubular heating element, so that the entire length of the heating element is temperature-monitored and temperature-controlled. This results in a more uniform temperature over the entire length of the heating element.
- the thermostat preferably consists of a control rod with a round cross section, which runs at a distance essentially parallel and approximately the same length to the heating device.
- Such control rods are used in the GCC 50 wireless Lokken rod, which the applicant has been selling for a long time (see Braun program overview "Quality in good shape", edition 1999/2000, page 9), so that it is no longer necessary to go into this here.
- This also applies to the entire structure of the curling iron, such as the valve device, the catalytic converter, the heating element, etc., so that to explain the said curling iron referenced to this device or can also be the content of this application.
- the features of claim 4 enable simple manufacture and connection of the partition to the heating element.
- the web can advantageously be welded to the inner wall of the heating element or connected to it in one piece.
- the metallic connection of the web to the heating element represents a good heat connection of the partition to the heating element, so that the partition also has almost the same temperature as the heating element itself.
- the influence of the heating device on the thermostat is somewhat increased, so that the thermostat reacts somewhat faster to the temperature of the heating device.
- the control behavior of the thermostat can thus be significantly influenced by the number or width of the or openings, by the wall thickness of the partition, by the arrangement of the control rod in the heating tube relative to the heating device, by the design of the heating rod itself and by the heating power of the heating device per unit of time become.
- the best possible control behavior can be determined in experiments in order to always obtain an optimal temperature on the outer surface of the heating element, which is neither too high nor too low.
- the breakthrough is formed by only one longitudinal slot, which is dimensioned so wide that the control rod already has at least partial visual contact with the control rod and thus faster on temperature peaks both upwards and downwards due to the heat radiation acting on it Heating device can respond. Due to the longitudinal slot formed on the partition wall, heat can also flow relatively quickly into the space surrounded by the partition wall as a result of heat radiation, in order to enable faster heating of the partition wall and thus more sensitive regulation of the thermostat, especially when heating up.
- the thermal connection of the partition to the heating element is reduced, while the thermal influence of the heating device is increased. This improves the control behavior of the thermostat.
- the partitioning the chamber, in which the control rod runs has a direct connection with the chamber surrounding the catalyst, which in particular creates a good thermal connection if, according to the features of patent claim 8, the longitudinal slot extends over the entire length of the thermostat.
- the features of claim 9 result in a tubular heating element, which is particularly easy to manufacture as a molded part because it does not have to be assembled from several parts. It is particularly advantageous if, according to the features of patent claim 10, the molded part is an extruded part, which is manufactured in an extrusion process by the meter from preferably aluminum or an otherwise highly heat-conductive and extrudable flowable material.
- FIG. 1 shows a longitudinal section through a curling iron in the area of the thermostat designed as a control rod with its valve device formed at one end, the free end of the heating rod being covered by a closure device for better demonstration - not as usual -
- Fig. 2 is a plan view in the direction X of the free end of the heating element according to Figure 1, but on an enlarged scale, and
- FIG. 3 is a perspective view in the direction Y according to FIG. 1, but the handle area has been broken off, but also on an enlarged scale compared to FIG. 1.
- the curling iron 1 consists of a substantially cup-shaped receptacle 4, in the hole 2 accessible from the right side according to FIG. 1, an essentially annular housing 3 is inserted and centered, which for receiving one in the housing 3 attached valve device 5 and a thermostat 6 designed as a control rod is used.
- 1 is open from the left-hand side and is formed by a blind hole 7 into which a gas cartridge, not shown in the drawing, can be inserted.
- the bo- 9 penetrating gas tube 10 which, when a gas cartridge is inserted, actuates the valve arrangement (not shown) formed in the gas cartridge and thereby establishes a gas connection from the gas cartridge to the valve device 5 of the curling iron 1.
- the valve device 5 consists of a bottom mounting plate 11 which is screwed from the right side to a controller receptacle 12 or otherwise secured. A seal 13 is clamped between the two parts 11, 12 in order to seal the valve chamber 13 formed by the mounting plate 11 and the regulator receptacle 12 to the outside.
- the valve device 5 is centered in a receiving bore 14 formed in the receptacle 4.
- a valve piston 15 In the valve chamber 13 there is a valve piston 15 which can be shifted to the left against the force of a compression spring 16 and in this way opens the valve device 5 so that gas can be supplied to the catalytic converter 17 for combustion via channels not shown in the drawing.
- a threaded bore 18 is formed in the regulator receptacle 12, in which a tube 20 surrounding a vacuum rod 19 is firmly screwed by means of a thread 21.
- the Vacodil rod 19 is preferably made of an iron-nickel alloy and has a low and constant deformation when the temperature rises.
- the tube 20 is made of a metal that undergoes a large deformation when exposed to temperature. Characterized in that the free end of the tube 20 is caulked to the free end of the Vacodil rod 19, as shown by the flats 22 in Fig. 3, the tube 20 is extended when the temperature of the control rod 6 increases and thereby takes less deforming in length Vacodil rod 19 with.
- the heating rod 25 consisting of a tubular molded part is supported on the housing 3 in a housing bore 24 and extends from there to the right according to FIG. 1.
- the heating rod 25 is produced as an extruded part in an extruder and therefore has in cross section a cross-sectional shape adapted to the conditions of the curling iron 1 of different wall thicknesses, as shown in FIGS. 2 and 3.
- the control rod 6 is arranged to the left of a heating device 17 designed as a catalyst and runs essentially parallel to the longitudinal axis 26 of the heating rod 25.
- the cross-sectional profile of the heating rod 25 runs symmetrically to the longitudinal axis 26.
- the center point 27 (FIG 2) of the catalytic converter 17 lies according to FIGS.
- the control rod 6 extends approximately over half the length of the heating rod 25, while the free end 29 of the catalytic converter 17 ends a few millimeters before the free end 30 of the control rod 6.
- the catalytic converter 17 is held in a carrier 31 which is fixedly connected to the housing 3 by means of fastening tabs 32 (FIG. 2) formed thereon.
- a button 33 is rotatably attached to the housing 3, which engages via its extension 34 in a double-walled bracket 35 and thus firmly connects it to the button 33.
- the inner surface 36 of the clip 35 bears against the top of the outer surface 37 of the heating element 25 when the button 33 is not actuated.
- This is achieved by a spring 38 (FIG. 1) acting on the button 33, which is supported on the receptacle 4.
- an end cap 42 engages in the gap 41 formed by the two walls 39, 40, which serves as a handle for the Lokken rod 1 and as protection against burns for an operator.
- the end cap 42 is firmly connected to the bracket 35, for example, by crimping, gluing, screwing or any other type of fastening.
- the handle 61 of the curling iron 1 forms the outer surface of the receptacle 4.
- the heating rod 25 has passages 44 through which the heat emitted by the catalytic converter 17 can escape during operation.
- the closure cap 47 which is otherwise inserted into the inner wall 46 of the complete device has been omitted and is only shown in broken lines.
- a partition 49 extends from the inner wall 46 of the heating rod 25 into the interior 45, which only partially surrounds the control rod 6 and runs on an arc of a circle which corresponds approximately to the length of a quarter circle. In this way, only about half of the surface of the control rod 6 is exposed to the direct heat radiation of the catalytic converter 17, while the other half is separated from the partition wall 49. is covered.
- the wall surface 50 facing the control rod 6 runs concentrically to the control rod 6 at a predetermined distance, so that an annular segment-shaped intermediate gap 51 is formed between the two parts, but this gap can also take on a different shape.
- the line 52 running concentrically to the control rod 6 represents a bore in the housing 3 according to FIG. 2, through which the control rod 6 penetrates a sleeve 62 and reaches the valve device 5.
- the partition 49 is connected in one piece to the heating element 25.
- Corresponding profiles 53 are also formed on the inner wall 48 and are used for centering, receiving and adapting the component parts formed in the interior 45 of the heating element 25, as already mentioned above.
- the housing 3 has diametrically opposed notches 54, 55, the key 33 being embedded in the notch 54 and an ignition slide 56 being embedded in the notch 55, which has lever mechanisms (not shown in the drawing) with a likewise not shown in the drawing Ignition device is connected.
- the partition 49 is connected via a web 58 to the inner wall 46 of the heating element 25, so that the heat (heat conduction) is introduced from the heating element.
- the free end 60 of the partition 49 ends at a distance in front of the inner wall 46 of the heating element 25 opposite it and thereby forms a longitudinal slot 59.
- the mode of operation of the curling iron 1 according to the invention is as follows:
- valve device 5 is actuated via a valve slide, not shown in the drawing, in such a way that gas flows into the catalytic converter 17 via the gas cartridge, the gas tube 10 and the valve device 5.
- the control rod 6 always holds the valve piston 15 in its open position, but that this position can always be brought into the closed position by a main slide (not shown) when the device is no longer to be used .
- the ignition slide is actuated and one or more sparks are generated in the catalytic converter 17 via an ignition mechanism (not shown in the drawing), which cause the air / gas mixture in the interior 57 of the catalytic converter 17 to explode. After the explosion continues the catalytic combustion on the catalyst 17.
- the catalyst 17 heats up and the heat it emits radiates into the interior 45 of the heating element 25.
- the catalytic converter 17 cools down and less heat is introduced into the heating element 25. Likewise, the heat radiation exerted by the catalytic converter 17 on the control rod 6 is lower, so that this also cools down. At the same time, the heat emitted by the heating rod 25 and by the partition 49, which was introduced due to heat radiation and heat conduction via the catalytic converter 17, has a less cooling effect on the control rod 6, so that overall only a slight throttling of the gas supply is initiated.
- the control rod 6 is influenced considerably more by the temperature of the heating rod 25 than by the temperature of the catalyst 17, with the result that temperature peaks can be avoided and the temperature behavior of the Lokken rod 1 is improved overall.
- the dimensions of the partition 49 can be designed according to the dimensions of the control rod 6, the heating rod 25, the catalyst 17 and the components to be heated otherwise in the curling iron 1 so that when the heating rod 25 reaches the desired temperature of the heating rod 25, the control rod 6 so reacts quickly to the temperature so that the target temperature of the heating element is largely maintained.
- the partition 49 can also be connected more or less over a larger or smaller area to the inner wall 48 of the heating element 25 in order to introduce more or less heat into the partition 49 so that it can give off more or less heat to the control rod 6 and thus the target temperature of the heating element remains largely constant.
- the distances of the control rod 6 from the inner wall 48 of the heating rod 25, from the inner wall 50 of the partition 49 and from the outer wall of the catalytic converter 17 are of crucial importance in order to achieve an optimal control behavior of the curling iron 1.
Landscapes
- Gas Burners (AREA)
- Cosmetics (AREA)
- Hair Curling (AREA)
- Temperature-Responsive Valves (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10012192A DE10012192B4 (de) | 2000-03-13 | 2000-03-13 | Haarpflegegerät, vorzugsweise Lockenstab |
| DE10012192 | 2000-03-13 | ||
| PCT/EP2001/002676 WO2001067916A2 (de) | 2000-03-13 | 2001-03-09 | Haarpflegegerät, vorzugsweise lockenstab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1267659A2 true EP1267659A2 (de) | 2003-01-02 |
| EP1267659B1 EP1267659B1 (de) | 2003-08-20 |
Family
ID=7634550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01927717A Expired - Lifetime EP1267659B1 (de) | 2000-03-13 | 2001-03-09 | Haarpflegegerät, vorzugsweise lockenstab |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6935332B2 (de) |
| EP (1) | EP1267659B1 (de) |
| JP (1) | JP2003526429A (de) |
| AT (1) | ATE247396T1 (de) |
| AU (1) | AU5468001A (de) |
| CA (1) | CA2402915C (de) |
| DE (2) | DE10012192B4 (de) |
| ES (1) | ES2206417T3 (de) |
| WO (1) | WO2001067916A2 (de) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3858029A (en) * | 1970-09-18 | 1974-12-31 | Clairol Inc | Hairsetter |
| US4248208A (en) * | 1979-06-11 | 1981-02-03 | The Gillette Company | Catalytically heated curling device with automatic temperature control |
| US4327752A (en) | 1979-12-05 | 1982-05-04 | Braun, Aktiengesellschaft | Rotary ignition system for a catalytically heated curling device |
| DE3072058D1 (en) * | 1980-09-30 | 1988-01-21 | Braun Ag | Hair curling apparatus |
| JPS59144410A (ja) * | 1983-02-07 | 1984-08-18 | 松下電器産業株式会社 | ヘア−カ−ラ−装置 |
| DE3843186A1 (de) * | 1988-12-22 | 1990-06-28 | Braun Ag | Haarpflegegeraet |
| JPH07318437A (ja) * | 1994-05-27 | 1995-12-08 | Fuji Xerox Co Ltd | 加熱ローラの温度検知装置 |
-
2000
- 2000-03-13 DE DE10012192A patent/DE10012192B4/de not_active Expired - Fee Related
-
2001
- 2001-03-09 US US10/221,118 patent/US6935332B2/en not_active Expired - Fee Related
- 2001-03-09 ES ES01927717T patent/ES2206417T3/es not_active Expired - Lifetime
- 2001-03-09 CA CA002402915A patent/CA2402915C/en not_active Expired - Fee Related
- 2001-03-09 AT AT01927717T patent/ATE247396T1/de active
- 2001-03-09 AU AU54680/01A patent/AU5468001A/en not_active Abandoned
- 2001-03-09 EP EP01927717A patent/EP1267659B1/de not_active Expired - Lifetime
- 2001-03-09 DE DE50100530T patent/DE50100530D1/de not_active Expired - Lifetime
- 2001-03-09 WO PCT/EP2001/002676 patent/WO2001067916A2/de not_active Ceased
- 2001-03-09 JP JP2001566391A patent/JP2003526429A/ja active Pending
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0167916A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10012192A1 (de) | 2001-09-27 |
| ATE247396T1 (de) | 2003-09-15 |
| AU5468001A (en) | 2001-09-24 |
| US6935332B2 (en) | 2005-08-30 |
| DE10012192B4 (de) | 2006-06-14 |
| WO2001067916A3 (de) | 2001-12-27 |
| DE50100530D1 (de) | 2003-09-25 |
| CA2402915A1 (en) | 2001-09-20 |
| CA2402915C (en) | 2007-12-18 |
| EP1267659B1 (de) | 2003-08-20 |
| JP2003526429A (ja) | 2003-09-09 |
| WO2001067916A2 (de) | 2001-09-20 |
| US20030037795A1 (en) | 2003-02-27 |
| ES2206417T3 (es) | 2004-05-16 |
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