EP1515629B1 - Device for achieving smooth and straight hair - Google Patents

Device for achieving smooth and straight hair Download PDF

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Publication number
EP1515629B1
EP1515629B1 EP02744618A EP02744618A EP1515629B1 EP 1515629 B1 EP1515629 B1 EP 1515629B1 EP 02744618 A EP02744618 A EP 02744618A EP 02744618 A EP02744618 A EP 02744618A EP 1515629 B1 EP1515629 B1 EP 1515629B1
Authority
EP
European Patent Office
Prior art keywords
hair
reservoir
styling device
active
styling
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.)
Expired - Lifetime
Application number
EP02744618A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1515629A1 (en
Inventor
Dennis Eugene Kuhlman
David Michael Stentz
Shinji Nishimura
Kazunori Nakasai
Antonio Jose Carballada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Procter and Gamble Co
Original Assignee
Matsushita Electric Works Ltd
Procter and Gamble Co
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 Matsushita Electric Works Ltd, Procter and Gamble Co filed Critical Matsushita Electric Works Ltd
Publication of EP1515629A1 publication Critical patent/EP1515629A1/en
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Publication of EP1515629B1 publication Critical patent/EP1515629B1/en
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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
    • 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
    • A45D1/04—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 by electricity
    • 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
    • A45D2/001—Hair straightening appliances
    • 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
    • A45D1/06—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with two or more jaws
    • 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
    • A45D2001/008—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with vapor generation, e.g. steam

Definitions

  • This invention relates to hair styling devices, particularly to a hair styling device capable of using a non-volatile styling active in combination with heat and tension to produce a smooth and straight appearance to the hair.
  • a device according to the preamble of claim 1 is known from US-A-4 034 201 .
  • non-volatile actives from a hair styling device can allow for better and more even coverage on the hair.
  • This approach allows for the delivery of a thin layer of active on the hair and results in a long-lasting hair style throughout the day.
  • This approach also eliminates the problems associated with the use of styling product forms such as mousses, gels and sprays which results in large clumps of active (localized deposition) and less even coverage.
  • the use of moisture delivered in combination with the styling active and heat will improve the benefit of reshaping and restyling of the hair. Further, the use of water may aid to ease hair shaping and aid in even distribution of a styling active.
  • the present invention is directed to a hair styling device for smoothing and straightening hair strands on a scalp region, comprising, in combination: two hingedly attached, movably opposed arms each of said arms comprising a hair strand gripping means; heating means incorporated into the gripping means for providing heat to the hair strands; a reservoir in fluid communication with a means of delivery of the gripping means which delivers a nonvolatile styling active delivered as droplets having a Dv(90) of less than about 30 microns.
  • the present invention is further directed to the use of water to ease hair shaping and aid in even distribution of a styling active.
  • the present invention is further directed to a method for straightening hair strands on a scalp regions wherein hair to be straightened is passed under tension between a gripping means, wherein the gripping means provides a heating means, and a styling active comprising nonvolatile compounds, wherein the styling active is delivered as droplets having a Dv(90) of less than about 30 microns.
  • compositions of the present invention are based upon the total weight of the compositions of the present invention, unless otherwise specified. All such weights as they pertain to listed ingredients are based on the active level and, therefore, do not include carriers or by-products that may be included in commercially available materials.
  • molecular weight means weight average molecular weight, unless specifically stated otherwise.
  • Figures 1A and 1B depicts non-limiting exemplary embodiment of a hair styling device of the present invention comprising a gripping means (1) comprising arms that can be hinged at one end and can be opened by the force of spring as hinged end is the fulcrum.
  • the gripping means (1) may be comprised of two hingedly attached, movably opposed, manually graspable arms for releasably gripping hair strands so that longitudinal tension can be applied thereto.
  • a heating plate (21) is arranged in area of the gripping means (1) that will be in contact with hair.
  • the gripping means (1) further comprises a pin (11) and a switch (77).
  • the angle of the gripping means (1) opened is suitable to insert partition of hair between the arms and suitable for gripping the device.
  • a partition of hair can be the gathering of a section or segment of hair strands.
  • Figures 2A and 2B depicts a non-limiting exemplary embodiment of a hair styling device of the present invention demonstrating the use of a hair styling device showing wavy hair after being straightened by passage under tension between the gripping means (1) in the direction of line A.
  • Figures 2A and 2B depict a gripping means (1) comprising a heating plate (21), a pin (11), and a switch (77), wherein a partition of hair (82) is straightened perpendicular against the orientation of the gripping means (1).
  • Figures 3A and 3B depicts a non-limiting exemplary preferred embodiment of a hair styling device of the present invention comprising a gripping means (1) providing a heating means (2), a means of delivery (3), a means of transport (4), and a reservoir (6).
  • the hair styling device of the present invention may be comprised of two hingedly attached, movably opposed arms each of said arms comprising a hair strand gripping means (1) for releasably gripping hair strands so that longitudinal tension can be applied thereto.
  • the gripping means (1) forms a "V" shape.
  • the gripping means (1) may be comprised of arms that can be hinged at one end and can be opened by the force of spring, as the hinged end is the fulcrum.
  • FIG. 3B is a transverse cross-sectional view, on an enlarged scale, taken along dotted line 3B of Figure 3A. For illustrative purposes, everything beyond dotted line 3B has been omitted in Figure 3B.
  • a heating means (2) supplies heat to hair that is compressed by the gripping means (1).
  • the heating means (2) may be heated to a temperature range of 90°C to about 210 °C.
  • a reservoir (6) stores a styling active making it readily available to a means of delivery (3) or a means of transport (4).
  • the means of transport (4) carries a styling active from the reservoir (6) to the means of delivery (3). Therefore, the means of transport (4) allows the styling active in the reservoir (6) to be available to the means of delivery (3).
  • the means of delivery (3) delivers the styling active to hair that is compressed by the gripping means (1).
  • the means of delivery (3) changes the styling active to small droplets that are a more suitable form to be delivered to hair than what may result from delivering a styling active from current styling product forms (e.g. mousses, gels) or from larger droplets, as those resulting from conventional spray products.
  • the styling active in such a state is attached more uniformly to hair as very thin layers and lowers the styling active levels required to deliver a benefit
  • the means of delivery (3) controls the quantity of delivered styling active.
  • the means of delivery (3) is in direct contact or close proximity with the means of transport (4).
  • Figures 4A and 4B depicts a non-limiting exemplary preferred embodiment of a hair styling device of the present invention comprising a gripping means (1) providing a heating plate (21), a heating chamber (31), a means of transport (4), a vaporizing plate (32), a reservoir (6) and electronics (7).
  • the gripping means (1) is comprised of arms that can be hinged at one end and connected by a pin (11) and can be opened by the force of a spring (12) as hinged end is the fulcrum.
  • Figure 4B is a transverse cross-sectional view, on an enlarged scale, taken along 4B of Figure 4A. For illustrative purposes, everything beyond dotted line 4B has been omitted in Figure 4B.
  • a means of delivery (3) (see Figure 3A) is comprised of a heating chamber (31), a vaporizing plate (32) and a steam pass (35).
  • a spring (12) functions to keep the two halves of the gripping means in an open configuration until pressure is applied.
  • a pin (11) connects the two arms at the end of halves. If it is necessary to heat the styling active in order to change the styling active to small droplets, a means of vaporization (5) and heating chamber (31) are present as a part of the means of delivery (3) ( Figure 3A).
  • the styling active also needs to be present with a volatile component in which it is soluble or dispersible.
  • the means of vaporization (5) may be comprised of a vaporization plate (32) surrounded by a heating chamber (31) ( Figure 4A), in close proximity or contact to the means of transport (4), and applies heat to the styling active.
  • the heating means (2) ( Figure 3A) is comprised of a heating plate (21), which supplies heat to hair that is compressed between the gripping means (1).
  • the heating plate (21) is arranged inside of gripping means (1).
  • the orientation of the heating plate (21) is arranged in parallel with the orientation of gripping means (1).
  • the length of the heating plate (21) in parallel with the orientation of gripping means (1) is able to cover the width of a partition of hair that is compressed by gripping means (1).
  • the length of the heating plate (21) in parallel with the orientation of gripping means (1) is longer than the length of the heating plate (21) in perpendicular to the orientation of the gripping means (1).
  • Each of the heating plates (21) in each arm comes together, when the two halves are closed. In the side of the gripping means in contact with hair, heating plates (21) have 2 rows of holes where the steam comes through the rows of holes.
  • a steam pass (35) comprises 2 rows of holes.
  • the orientation of the rows of holes is arranged in parallel with the orientation of the gripping means (1), so it is effective to apply a styling active to a partition of hair.
  • a reservoir (6) stores a styling active making it readily available to a means of transport (4) then to the vaporization plate (32) and then to the heating chamber (31) as a part of means of delivery (3) ( Figure 3A)
  • Reservoir (6) is a refillable cartridge through a cap (61) of the reservoir (6).
  • the reservoir (6) is attached to the gripping means (1) by hooking on a plate (13) and the reservoir (6) is detached from the gripping means (1) by pushing plate (13).
  • as part of reservoir (6) or the entire reservoir (6) is a see-through cartridge allowing a view of the quantity of styling active in the reservoir (6).
  • a reservoir (6) is arranged at opposite side of a heating plate (21) in the gripping means (1).
  • the orientation of the reservoir (6) is arranged in parallel with the orientation of gripping means (1).
  • the reservoir (6), means of transport (4) and vaporizing plate (32) contribute to decrease the temperature of the opposite side of the heating plate (21) in that the heat lost by the vaporization plate (32) reduces the temperature of the vaporizing plate (32) and heating plate (21).
  • a means of transport (4) comprises a felt which carries a styling active from a reservoir (6) to a means of vaporization (5).
  • a felt is in fluid communication with a reservoir (6).
  • a felt can be any porous material capable of wicking a composition.
  • the vaporizing plate (32) is at the opposite side of a heating plate (21).
  • the felt absorbs a styling active by the effect of capillary action.
  • a styling active is carried by a means of transport (4) and is vaporized by a vaporizing plate (32).
  • the felt may have a contact area of about 10 to about 4000 mm 2 with the heating plate (21).
  • a means of vaporization (5) and heating chamber (31) are present as a part of the means of delivery (3).
  • the styling active also needs to be present with a volatile component in which it is soluble or dispersible.
  • An electronics (7) supplies electrical power to a heating plate (21) and vaporizing plate (32).
  • FIGS 5A, 5B, 5C and 5D depicts a non-limiting exemplary embodiment of an element of the hair styling device of the present invention comprising a heater (20) which is comprised of a heater case (22), a heating element (23), a heater frame (24), an electrode plate (25), an insulation plate (26), a press plate (27) and a seal rubber (28).
  • a heater case (22) is a jointed 3-tubes and is made of aluminum. In the center-tube of a heater case (22), there are the elements of the heater. Steam comes through a set of holes out of the part of joint ((Steam pass (35)).
  • Figure 5C is an exploded longitudinal cross-sectional view of a heater (20) in Figure 5A.
  • Figure 5D is an exploded transverse cross-sectional view of heater (20) in Figure 5B.
  • a pair of electrode plates (25) and insulation plates (26) are arranged symmetrically with respect to the heating element (23).
  • a press plate (27) presses a heating element (23) and an electrode plate (25) and an insulation plate (26) toward the inside-wall of a heater case (22) for decreasing thermal resistance in a boundary area of each element.
  • An electrode plate (25) supplies electrical power to a heating element (23).
  • An insulation plate (26) insulates electrically an electrode plate (25) and a heating element (23) from the heater case (22).
  • a heater frame (24) sets a heating element (23) at the center of a heater (20).
  • a heating element (23) heats a heating plate (21) and vaporizing plate (32) and steam pass (35) and other elements of the heater (20).
  • Figures 6A, 6B, 6C and 6D depicts a non-limiting exemplary embodiment of an element of the hair styling device of the present invention comprising a means of delivery (3) which comprises a heating chamber (31) (Figure 4A), a vaporizing plate (32) and a steam pass (35) ( Figure 4B) and further depicts a heater (20).
  • the heating chamber (31) is comprised of a chamber seal rubber (33) and a chamber case (34).
  • the chamber seal rubber (33) closes the space that is between the vaporizing plate (32) and the means of transport (4) (see Figure 4A).
  • the chamber case (34) reinforces the chamber seal rubber (33).
  • Figure 6C is an exploded longitudinal cross-sectional view of a means of delivery (3) in Figure 6A.
  • Figure 6D is an exploded transverse cross-sectional view of a means of delivery (3) in Figure 6B.
  • Figures 7A, 7B, 7C, and 7D depicts a non-limiting exemplary embodiment of an element of a hair styling device of the present invention comprising a reservoir (6).
  • the reservoir (6) is comprised of a reservoir case (60), a cap (61) and a pressure valve (62).
  • Figure 7C is an exploded longitudinal cross-sectional view of a means of transport and a reservoir (6) as shown in Figure 7A.
  • Figure 7D is an exploded transverse cross-sectional view of a means of transport and a reservoir (6) as shown in Figure 7B.
  • the means of transport is comprised of a felt (40) which covers the open areas of the reservoir case (60).
  • the reservoir (6) is a refillable cartridge through the cap (61) which acts to close the opening in the reservoir (6) and provide opening to add a styling active (63).
  • a pressure valve (62) is made of rubber and has the shape similar to an umbrella. As the styling active contained on the felt (40) is vaporized by the vaporizing plate (32) ( Figure 4A), the felt (40) absorbs a styling active present in the reservoir (6) and results in the inside pressure of reservoir (6) being decreased. The felt (40) absorbs the styling active (63), as long as the felt (40) touches the styling active (63) in the reservoir (6).
  • a pressure valve (62) is opened only when the inside pressure of the reservoir (6) is smaller than the pressure outside. The pressure valve (62) controls the quantity of styling active that is made available to the vaporizing plate (32) ( Figure 4A) and therefore vaporized.
  • FIGs 8A and 8B depicts a non-limiting exemplary embodiment of an element of a hair styling device of the present invention comprising electronics (7) which supplies electrical power to a heating element (23).
  • the electronics (7) is comprised of a plug (71), resistors (72 and 73), a diode (74), an LED (75), a fuse (76) and a switch (77). According to switch on (Switch (77), electrical power is supplied to the heating element (23).
  • the heating element (23) is a Positive Thermal Coefficient (PTC heater).
  • the heating element (23) may be self-adjusting for the temperature.
  • Figure 8B depicts a schematic diagram (70) of electric wiring arranged to conduct current to a heat generating resistance wire.
  • Figures 9A depicts a non-limiting exemplary embodiment of a hair styling device of the present invention comprising a means of delivery (3), a pin (11), a spring (12), and a second reservoir (8) per side of gripping means (1), having a heating plate (21), and which is separated from reservoir (6).
  • Styling active in the second reservoir (8) may not be the same styling active as in reservoir (6).
  • the steam of the styling active in reservoir (6) pulls the styling active in the second reservoir (8). Water must be present in at least one of the reservoirs.
  • a) reservoir (6) uses a means of transport (4), a vaporization plate (32) and a heating chamber (31) to create a mist from the styling active; b) a second reservoir (8) provides a means to atomize the reservoir contents of second reservoir (8).
  • the two streams created from each of the reservoirs are thus combined as they come out of the hair styling device.
  • Figure 9B depicts a non-limiting exemplary embodiment of a hair styling device of the present invention which is a cross-sectional view of an alternative means of delivery (3).
  • Figures 10A, 10B, 10C and 10D depicts a non-limiting exemplary embodiment of an element of a hair styling device of the present invention comprising a reservoir (6) which is separated into two chambers.
  • a second reservoir (8) is separated from a reservoir (6).
  • a reservoir case (60) comprises a reservoir (6) and a second reservoir (8).
  • the styling active (63) in the reservoir is not same as styling active (64) in the second reservoir (8).
  • Reservoir (6) and the second reservoir (8) each have a cap (61), a pressure valve (62), and are in fluid communication with a felt (40), respectively. Water must be present in at least one of the reservoirs.
  • Figure 10C is an exploded longitudinal cross-sectional view of an embodiment of the present invention as shown in Figure 10A, wherein a reservoir (6) and a reservoir (8) are fillable.
  • Figure 10D is an exploded transverse cross-sectional view of an embodiment of the present invention as shown in Figure 10B.
  • Figures 11A, 11B, 11C and 11D depicts a non-limiting exemplary embodiment of an element of a hair styling device of the present invention comprising a reservoir (6) which is non-refillable.
  • the reservoir (6) comprises a reservoir case (60), a pressure valve (62), a styling active (63) and further depicting a felt (40).
  • the reservoir (6) is pre-filled with a styling active and inserted into the hair styling device.
  • the reservoir (6) can be removed and replaced with another pre-filled reservoir (6), or as termed, a disposable cartridge or non-refillable cartridge.
  • Figure 11C depicts an exploded longitudinal cross-sectional view of a non-refillable cartridge as shown in Figure 11A.
  • Figure 11D depicts an exploded transverse cross-sectional view of a non-refillable cartridge as shown in Figure 11B.
  • Figures 12A, 12B and 12C depicts a non-limiting exemplary embodiment of an element of a hair styling device of the present invention comprising a reservoir (6) which is capable of being refilled.
  • Figure 12A depicts a reservoir (6) comprising a reservoir case (60), a pressure valve (62), a styling active (63), a first exclusive joint (65) and further depicting a felt (40).
  • the reservoir (6) comprises a first exclusive joint (65) that only fits to a second exclusive joint (68) on a styling active bottle (67), as shown in Figure 12B.
  • the reservoir (6) can be refilled with a styling active only from a bottle that has a second exclusive joint (68).
  • a first seal plate (66) prevents the styling active from leaking out of the reservoir (6).
  • a second seal plate (69) prevents a styling active from leaking out of a styling active bottle (67).
  • a first seal plate (66) and a second seal plate (69) are the shape of a disk and each have a bottle stick (78A) and a reservoir stick (78B) that is in center of first seal plate (66) and a second seal plate (69) and extends outwardly.
  • a first seal plate (66) and a second seal plate (69) may be pushed out by the force of springs and close respectively the gateways of styling active in a reservoir (6) and a styling active bottle (67).
  • a second exclusive joint (68) of a styling active bottle (67) pushes a first seal plate (66) of a reservoir (6) and the stick (78B) of a first seal plate (66) pushes the stick (78A) of a second seal plate (69).
  • a first seal plate (66) and a second seal plate (69) open respectively the gateways of styling active in a reservoir (6) and a styling active bottle (67).
  • a second exclusive joint (68) is comprised of three parts the shape of circle divided into six equal.
  • a second exclusive joint (68) can be jointed to a first exclusive joint (65), even if the second exclusive joint (68) would be turned around at an angle of 60°.
  • the one or more of the reservoir (6) resides in the arms of the gripping means (1).
  • the reservoir (6) comprises a removable pre-filled cartridge.
  • the reservoir (6) is refillable through a first exclusive joint (65).
  • FIGS 13A and 13B depict a non-limiting exemplary embodiment of a hair styling device of the present invention comprising one arm of a gripping means (1) comprised of a heating means (2), a means of delivery (3), a means of transport (4), a means of vaporization (5), a reservoir (6), a pin (11), a spring (12) and electronics (7).
  • the opposing arm is comprised of a heating means (2).
  • This embodiment of the hair styling device will provide a styling active coming from one side of gripping means (1).
  • Figure 14A depicts a non-limiting exemplary embodiment of a hair styling device of the present invention comprising a gripping means (1) which is be hinged at one end, and further comprising a pin (11) and a switch (77).
  • Figure 14B depicts a non-limiting exemplary embodiment of a hair styling device of the present invention comprising a gripping means (1) comprising a scissors type arm of a gripping device which results in an X-shaped arm.
  • the gripping means (1) is comprised of two arms that are hinged in the middle, and comprised of a pin (11) and a switch (77).
  • Figure 15A depicts a non-limiting exemplary embodiment of an element of a hair styling device of the present invention comprising a heating plate (21), which is contact with the hair, comprising two or more rows of holes (80) where the steam and styling active exit and contact the hair being straightened.
  • a hole (80) may have a diameter in a range of about 0.5 nm to about 2.5 mm.
  • Figure 15B depicts a non-limiting exemplary embodiment of an element of a hair styling device of the present invention comprising a heating plate (21) which is comprised of two or more rows of groove (81).
  • Figure 15C depicts a non-limiting exemplary embodiment of an element of a hair styling device of the present invention comprising a heating plate (21) which is comprised of a row of holes (80) which are oriented and arranged in parallel with the orientation of a gripping means (1), in order to effectively apply styling active to a partition of hair.
  • Figure 15D depicts a non-limiting exemplary embodiment of an element of a hair styling device of the present invention depicting a transverse cross-sectional view, on an enlarged scale, taken along either dotted line 15D of Figure 15A or Figure 15B.
  • a reservoir (6) ( Figure 4A) is in fluid communication with the hair strands through the rows of holes (80) or groves (81) located in one or more of the gripping means (1).
  • Figures 16A, 16B and 16C depict a non-limiting exemplary embodiment of a hair styling device of the present invention providing a top view of one side of the gripping means (1), with the reservoir (6) removed, as shown in Figure 16B.
  • Figure 16A is a longitudinal cross-sectional view, taken along dotted line 16A of Figure 16B, of an embodiment of the present invention showing a gripping means with the reservoir removed.
  • the gripping means comprises a means of vaporization (5), plate (13), heating plate (21), heating chamber (31), vaporizing plate (32), chamber case (34), steam pass (35) and heater (20).
  • the gripping means (1) may further contain a plurality of teeth (79) located on the each side of the heater (20) and protruding outwardly from Such plurality of teeth (79) may provide assistance in partitioning hair and providing further alignment of hair between the gripping means (1).
  • Figure 16C depicts a transverse cross-sectional view, taken along dotted line 16C of Figure 16B.
  • the styling actives of the present invention may be any known or otherwise effective hair styling agents that are liquids or semisolids under ambient conditions and that can remain a liquid or semisolid after the composition has been applied and allowed to dry on dry hair.
  • the styling actives of the present invention do not readily penetrate into the hair and can remain on the hair fibers to provide the improved hair styling benefits.
  • Such styling actives can provide for a fluid film to be left on the hair which can be characterized as a reformable weld that allows the hair fibers to be separated by forces such as wind, and then re-adhere using styling techniques such as combing, brushing, or running your fingers through the hair.
  • the styling active component of the present invention may include any of the following materials mentioned and described in below, either alone or in combination.
  • the preferred styling agents suitable for use include those polyalkylene glycols, which conform to the formula: wherein R is selected from the group consisting of H, C 1 -C 4 alkyl, such as methyl, and mixtures thereof.
  • R is selected from the group consisting of H, C 1 -C 4 alkyl, such as methyl, and mixtures thereof.
  • these materials are polymers of ethylene oxide, which are also known as polyethylene oxides, polyoxyethylenes, and polyethylene glycols.
  • R is methyl these materials are polymers of propylene oxide, which are also known as polypropylene oxides, polyoxypropylenes, and polypropylene glycols.
  • R is methyl, it is also understood that various positional isomers of the resulting polymers can exist.
  • polyalkylene glycols include, but are not limited to, PPG-4 wherein R equals methyl and n has an average value of about 4; PEG-8 wherein R equals H and n has an average value of about 8 (PEG-8 is also known as Carbowax 400, which is available from Union Carbide); PEG-12 wherein R equals H and n has an average value of about 12 (PEG-12 is also known as Carbowax 600, which is available from Union Carbide); and PEG-20 wherein R equals H and n has an average value of about 20 (PEG-20 is also known as Carbowax 900, which is available from Union Carbide).
  • PPG-4 wherein R equals methyl and n has an average value of about 4
  • PEG-8 wherein R equals H and n has an average value of about 8
  • PEG-12 wherein R equals H and n has an average value of about 12
  • PEG-12 is also known as Carbowax 600, which is available from Union Carbide
  • Styling agents suitable for use herein include those polyoxyethylene/polyoxypropylene block copolymers such as Poloxamer 123 (Pluronic 1-43) by BASF; Poloxamer 184 (Pluronic L-64) by BASF; Poloxamer 331 (Pluronic L-101) by BASF; Polyoxypropylene/ polyoxyethylene/polyoxypropylene copolymers such as Pluronic 25R4, Pluronic 25R1 by BASF, Polyoxyethelene/polyoxypropyleneblock polymers of ethylene diamine: such as Poloxamine 504 (Tetronic 702) by BASF; Poloxamine 1101 (Tetronic 1101) by BASF; Tetronic 90R4 by BASF and combinations thereof.
  • styling agents suitable for use herein include Methoxy PEG 10 (Carbowax MPEG 550) by Union Carbide; alkoxy (including methoxy, ethoxy, propoxy, butoxy, and pentoxy) polypropylene glycol; alkoxy (including methoxy, ethoxy, propoxy, butoxy, and pentoxy) polyethylene/polypropylene glycol copolymers and combinations thereof.
  • Polyalkylene glyceryl ether and its derivatives also known as polyoxyalkylene ethers of glycerin
  • polyoxyethylene glyceryl ethers examples include Glycereth-7 (Liponic EG-7 from Lipo), Glycereth-12 (Unipeg-ETG-12 from UPI), and Glycereth-20 (Carbowax TPEG 990 from Union Carbide) and combinations thereof.
  • styling agents suitable for use herein include polyalkylene glycol esters of fatty acids, including monoesters and diesters.
  • Such styling include PEG-10 Oleate (Ethofat 0/20) by Akzo; PEG-8 Dioleate (Pegosperse 400 DO) by Lonza; PEG-12 Laurate (Lipogel 6-L) by Lipo; PEG-8 Cocoate (Waglinol 488) by Industrial Quimica; PEG-8 Dicocoate (ROL DL40) by Fabriquimica; PEG-8 Diisostearate (PEG 400 Diisostearate) by Scher; PEG-12 Dilaurate (Kessco PEG600 Dilaurate) by Stepan and combinations thereof.
  • styling agents suitable for use herein include Oleth-5 (Volpo-5) by Croda; Oleth-10 (Volpo-10) by Croda; Laureth-7 (Rhodasurf L-7-90) by Rhone-Poulenc; Laureth-12 (Ethosperse LA-12) by Lonza and combinations thereof.
  • Still other styling agents suitable for use herein includes polyalkylene glyceryl ester of fatty acids (including monoesters, diesters, and trimesters) Glycereth-5 Lactate (Pelemol G45L) by Phoenix; Glycereth-7 Triacetate (Dermol GL-7A) by Alzo; PEG-7 Glyceryl Cocoate (Tegosoft GC) by Goldsmith; PEG-12 Glyceryl Laurate (Unibiovit B-332 WS); PEG-5 Glyceryl Triisostearate (Emalex GWIS-305) by Nihon and combinations thereof.
  • Still other styling agents suitable for use herein includes glyceryl alkylates (ester of glycerin and fatty acid, glyceride including monoester, diester, and triesters),Glyceryl Adipate (Trioxene A) by Vevy; Glyceryl Dilaurate (Lexemul GDL) by Inolex; Glyceryl Laurate (Protachem MLD) by Protameen; Lauric/Palmitic/Oleic Tryglyceride and combinations thereof.
  • Still other styling agents suitable for use herein includes glycol alkylate (esters of alkylene glycol and fatty acid including monoesters, diesters).
  • esters of ethylene glycol and fatty acids Prefered are esters of ethylene glycol and fatty acids, Glycol Dilaurate (Kemester EGDL) by Witco; Glycol Oleate; Lauryl Glycol (Mexanyl GU) by Chimex and combinations thereof.
  • Still other styling agents suitable for use herein includes hexaglycerol; decaglycerol; triglycerin and mixtures thereof, and/or their derivatives, and combinations thereof.
  • Still other styling agents suitable for use herein includes polyglycerol esters (including monoesters, diesters, and triesters), decaglycerol monostearate; decaglycerol hexaoleate; triglycerol monolinoleate; triglycerol trilinoleate and combinations thereof.
  • Suitable for use herein includes soluble / dispersible nonvolatile silicone copolyols wherein the level of ethylene and/or propylene oxide is sufficient to allow solubility in the composition.
  • additional useful styling active materials can be polyalkylene glyceryl ether of aliphatic alcohols, glyceryl alkyl ether including ether of glycerin and aliphatic alcohol and mixtures thereof.
  • fatty acids as described herein for can be saturated or unsaturated; linear, branched, or cyclic.
  • Aliphatic alcohols as described herein can be saturated or unsaturated; linear, branched or cyclic.
  • the styling active of the present invention may comprise from about 0.1% to about 90%, preferably from about 1% to about 30%, more preferably from about 2% to about 15%, by weight of the composition.
  • a volatile carrier is required in which the styling active will be soluble or dispersible.
  • the carrier is needed with the heat from the vaporizing plate (32) to create small droplets that will carry the styling active to hair.
  • a preferred carrier of the present invention is water. If water is a volatile carrier, one reservoir may be enough per side. If water isn't the preferred carrier used, 2 reservoirs per side may be needed in which one reservoir will comprise a styling active and another reservoir will comprise water (steam).
  • the water that may be delivered by the present invention may comprise from about 0.01 - 2 grams per minute per side of the styling device which would be equal to about 0.02 to about 4 grams per minute for the total of 2 sides of the styling device delivering, preferably from about 0.1 to about 1 gram per minute per side which would be equal to from about 0.2 to about 2 grams per minute for the total of 2 sides of the styling device delivering, more preferably from about 0.15 to about 0.4 grams per minute per side, which would be equal to from about 0.3 to about 0.8 grams per minute for the total of 2 sides of the styling device delivering.
  • the droplet size of the styling active for the present invention is measured according to a Dv(90) value wherein 90% of the volume is formed by droplets of a designated micron size or less.
  • the Dv(90) may be less than about 30 microns, preferably less than about 20 microns, and more preferably less than about 12 microns.
  • Droplet size values have been measured according to an Insitec Measurement System.
  • the delivery rate of styling composition may comprise from about 0.05 to about 2 grams per minute per side of the styling active which would be equal to about 0.1 to about 4 grams per minute for the total of 2 sides of the styling device delivering, preferably from about 0.1 to about 1 grams per minute per side of the styling active which would be equal to about 0.2 to about 2 grams per minute for the total of 2 sides of the styling device delivering, more preferably from about 0.15 to about 0.4 grams per minute per side of the styling active which would be equal to about 0.3 to about 0.8 grams per minute for the total of 2 sides of the styling device delivering.
  • a liquid carrier may help to solubilize or disperse the styling actives described hereinbefore.
  • the liquid carrier can comprise one or more liquid carriers provided that the selected styling active is sufficiently miscible/dispersible in the selected liquid carrier.
  • the total concentration of the liquid carrier in the composition will vary with the type of liquid carrier selected, the type of styling active used in combination with the liquid carrier, and the solubility of the selected styling active in the selected liquid carrier, and so forth.
  • Preferred total concentration of the liquid carrier ranges from about 10% to about 99.9%, preferably from about 70% to about 99%, more preferably from about 85% to about 98%, by weight of the composition.
  • Suitable liquid carriers for use in the compositions of the present invention are volatile liquid carrier materials.
  • volatile refers to materials which have a boiling point of less than about 260°C, preferably from about 50°C to about 260°C, more preferably from about 60°C to about 150°C (at about one atmosphere of pressure).
  • Nonlimiting examples of volatile liquid carriers include water, organic solvents such as C 1 -C 6 alkanols, and combinations thereof.
  • suitable C 1 -C 6 alkanols include, but are not limited to, ethanol, n-propanol, isopropanol, n-butanol, amyl alcohol, and mixtures thereof.
  • Preferred C 1 -C 6 alkanols include C 2 -C 4 monohydric alcohols such as ethanol, isopropanol, and mixtures thereof.
  • Water is the preferred volatile liquid carrier.
  • Hydrophobic solvents are also suitable for use in the present compositions include, but are not limited to volatile silicones, branched chain hydrocarbons and mixtures thereof.
  • Hydrophobic branched chain hydrocarbons useful as the volatile, hydrophobic solvent herein include, but are not limited to, those containing from about 7 to about 14, more preferably from about 10 to about 13, and most preferably from about 11 to about 12 carbon atoms. Saturated hydrocarbons are preferred, although it is not intended to exclude unsaturated hydrocarbons. Examples of such preferred branched chain hydrocarbons include isoparaffins of the above chain sizes.
  • isoparaffins include Isopar E (C 8 -C 9 isoparaffins), Isopar H and K (C 11 -C 12 isoparaffins), and Isopar L (C 11 -C 13 isoparaffins) or mixtures thereof (all commercially available form Exxon Chemical Co.)
  • isododecane is preferred and is commercially available from Presperse, Inc. as Permethyl TM 99A.
  • Preferred silicones useful as the volatile hydrophobic solvent include, but are not limited to, volatile siloxanes such as phenyl pentamethyl disiloxane, phenylethylpentamethyl disiloxane, hexamethyl disiloxane, methoxy propylheptamethyl cyclotetrasiloxane, chloropropyl pentamethyl disiloxane, hydroxypropyl pentamethyl disiloxane, octamethyl cyclotetrasiloxane, decamethyl cylcopentasiloxane, and mixtures thereof.
  • volatile siloxanes such as phenyl pentamethyl disiloxane, phenylethylpentamethyl disiloxane, hexamethyl disiloxane, methoxy propylheptamethyl cyclotetrasiloxane, chloropropyl pentamethyl disiloxane, hydroxypropyl pentamethyl
  • volatile silicones More preferred among the volatile silicones are hexamethyldisiloxane and cyclomethicones, examples of which include octamethyl cyclo tetrasiloxane and decamethyl cyclopentasiloxane, which are commonly referred to as D4 and D5 cyclomethicone, respectively.
  • volatile silicones include, but are not limited to, cyclopentasiloxane (commercially available from General Electric Co. as SF1202), hexylmethicone (commercially available from Archimica as Silcare 41M10), caprylil methicone (commercially available from Archimica as Silcare 41M15), stearoxytrimethylsilane and mixtures thereof.
  • compositions (active agent + carrier) of the present invention may further comprise one or more optional components known or otherwise effective for use in hair care or personal care products, provided that the optional components are physically and chemically compatible with the components described above, or do not otherwise unduly impair product stability, aesthetics or performance.
  • optional components are disclosed in International Cosmetic Ingredient Dictionary, Fifth Edition, 1993 , and CTFA Cosmetic Ingredient Handbook, Second Edition, 1992 , both of which are incorporated by reference herein in their entirety.
  • compositions of the invention can contain adjuvants that are common in the cosmetics field, such as emulsifiers; surfactants; conditioning actives (moisturizers; emollients); sunscreens; anti-free-radical agents; sequestering agents; antioxidants; preserving agents; acidifying or basifying agents; fragrances; dyestuffs; modified or non-modified, non-volatile silicones; reducing agents.
  • adjuvants that are common in the cosmetics field, such as emulsifiers; surfactants; conditioning actives (moisturizers; emollients); sunscreens; anti-free-radical agents; sequestering agents; antioxidants; preserving agents; acidifying or basifying agents; fragrances; dyestuffs; modified or non-modified, non-volatile silicones; reducing agents.
  • adjuvants that are common in the cosmetics field, such as emulsifiers; surfactants; conditioning actives (moisturizers; em
  • the present invention may, in some embodiments, further comprise additional optional components known or otherwise effective for use in hair care or personal care products.
  • concentration of such optional ingredients generally ranges from zero to about 25%, more typically from about 0.05% to about 25%, even more typically from about 0.1% to about 15%, by weight of the composition.
  • Such optional components should also be physically and chemically compatible with the essential components described herein, and should not otherwise unduly impair product stability, aesthetics or performance.
  • compositions of the present invention may be prepared by any known or otherwise effective technique, suitable for providing a composition provided that the resulting composition provides the excellent styling benefits described herein.
  • Methods for preparing the embodiments of the present invention include conventional formulation and mixing techniques.
  • the hair styling device of the present invention may be prepared by any known or otherwise effective technique, suitable for providing a device that provides the excellent styling benefits described herein.
  • Methods for preparing the embodiments of the present invention include conventional manufacture techniques.
  • materials which may be used in the manufacturing process of the hair styling device include, but are not limited to: PET : heat-resistant plastic, PET may be used for example in an external housing; PC : heat-resistant plastic and transparent plastic, PC may be used for example in a reservoir case; PPS : heat-resistant plastic and chemical-resistant plastic, PPS may be used for example in a chamber case; and ABS : shock-resistant plastic, ABS may be used for example in external parts of a device.
  • PET heat-resistant plastic
  • PET heat-resistant plastic and transparent plastic
  • PC may be used for example in a reservoir case
  • PPS heat-resistant plastic and chemical-resistant plastic
  • PPS may be used for example in a chamber case
  • ABS shock-resistant plastic
  • ABS shock-resistant plastic, ABS may be used for example in external parts of a
  • Non-limiting exemplary embodiments of the hair styling device of the present invention may comprise a hair styling device that may be from about 200-300 mm in length and from about 10-40 mm in height per gripping means and about 45-75 mm in width.
  • the present invention comprises a method for straightening hair wherein hair to be straightened is passed under tension between a gripping means, wherein the gripping means provides a heating means, and a styling active comprising nonvolatile compounds, wherein the styling active is delivered as droplets.
  • the present invention may comprise a method for straightening hair strands on a user's scalp region comprising, in the presence of heat and a nonvolatile styling active delivered as droplets having a Dv(90) of less than about 30 microns slidably gripping the hair strands between the gripping means of the hair styling device of the present invention, placing the hair strands under tension by drawing the device along the strands in a direction away from the scalp region; releasing the hair strands and optionally repeating steps (a) and (b).
  • compositions of the present invention are prepared by combining all of the listed components and mixing the combination until homogeneous. The resultant liquid mixture is then filled into the reservoir container, and loaded into the device.
  • Each of the exemplified hair compositions provides improved smooth and straight benefits that last longer.
  • Example I Example II Example III Example IV Distilled Water qs qs qs qs PEG-8 1 5.0 PEG-12 2 10.0 7.5 - - PEG-20 3 2.0 - - - Ethanol (Denatured) - 10.0 5.0 - Polydimethylsiloxane (350 cs) 4 5.0 Silicone-Polyether Copolymer 5 - - - 2.0 Sodium Cocoyl Isethionate - - - - Glycereth-12 6 - - 1.0 5.0 Poloxamer 184 7 - - 5.0 - PEG-12 Laurate 8 5.0 Lauramide DEA 0.25 - - 0.50 Cocamidopropyl Betaine 0.50 - - - Isosteareth-20 - 1.0 1.0 0.30 Phenoxyethanol 0.30 0.30 0.30 0.30 DisodiumEDTA 0.12 0.12 0.12 - Benzyl Alcohol 0.50 0.50 0.50 0.50 0.5 Methyl Parab
  • compositions illustrated in Examples I to VIII illustrate specific embodiments of the present invention, but are not intended to be limiting thereof.
  • compositions can be prepared by conventional formulation and mixing techniques.
  • Component amounts are listed as weight percents and exclude minor materials such as diluents, filler, and so forth.
  • the listed formulations therefore, comprise the listed components and any minor materials associated with such components.

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  • Cosmetics (AREA)
  • Brushes (AREA)
  • Dry Shavers And Clippers (AREA)
  • Eye Examination Apparatus (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Massaging Devices (AREA)
  • Hair Curling (AREA)
EP02744618A 2002-06-26 2002-06-26 Device for achieving smooth and straight hair Expired - Lifetime EP1515629B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2002/020127 WO2004002263A1 (en) 2002-06-26 2002-06-26 Device for achieving smooth and straight hair

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EP1515629A1 EP1515629A1 (en) 2005-03-23
EP1515629B1 true EP1515629B1 (en) 2007-12-12

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JP (1) JP2005530583A (zh)
CN (1) CN100344245C (zh)
AT (1) ATE380483T1 (zh)
AU (1) AU2002345876B2 (zh)
BR (1) BRPI0215796B1 (zh)
CA (1) CA2487097C (zh)
DE (1) DE60224105T2 (zh)
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CN104138124B (zh) * 2014-08-11 2017-11-17 叶秀娟 直发器
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FR3031023B1 (fr) * 2014-12-30 2018-03-30 L'oreal Recharge pour insertion dans un dispositif de traitement de la chevelure par basculement
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FR3045286B1 (fr) * 2015-12-18 2018-02-02 L'oreal Recharge de produit cosmetique pour dispositif de traitement de la chevelure a element chauffant et dispositif de traitement de la chevelure incluant une telle recharge
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FR3059526B1 (fr) * 2016-12-01 2019-01-25 L'oreal Dispositif de traitement de la chevelure utilisant une recharge
FR3059525B1 (fr) * 2016-12-01 2021-06-25 Oreal Recharge pour appareil de mise en forme de la chevelure
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EP2789257A2 (fr) 2013-04-08 2014-10-15 Seb S.A. Appareil de coiffure équipé de moyens de projection de vapeur optimisés
EP3192390A1 (fr) 2013-04-08 2017-07-19 Seb S.A. Appareil de coiffure equipe de moyens de projection de vapeur optimises
EP2944218A1 (fr) 2014-05-14 2015-11-18 Seb S.A. Appareil de coiffure a vapeur avec moyens de confinement de la vapeur
WO2015173508A1 (fr) 2014-05-14 2015-11-19 Seb S.A. Appareil de coiffure a vapeur avec moyens de confinement de la vapeur
WO2015173507A1 (fr) 2014-05-14 2015-11-19 Seb S.A. Appareil de coiffure a vapeur via surface de traitement et avec peigne
US11452352B2 (en) 2014-05-14 2022-09-27 Seb S.A. Hairstyling apparatus using steam via the treatment surface and with a comb

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DE60224105T2 (de) 2008-11-27
JP2005530583A (ja) 2005-10-13
ATE380483T1 (de) 2007-12-15
MXPA04012531A (es) 2005-11-04
CA2487097A1 (en) 2004-01-08
ES2296957T3 (es) 2008-05-01
CN100344245C (zh) 2007-10-24
BRPI0215796A2 (pt) 2016-07-12
DE60224105D1 (de) 2008-01-24
CN1630478A (zh) 2005-06-22
EP1515629A1 (en) 2005-03-23
AU2002345876B2 (en) 2007-03-15
WO2004002263A1 (en) 2004-01-08
BRPI0215796B1 (pt) 2018-01-30
HK1076691A1 (en) 2006-01-27
AU2002345876A1 (en) 2004-01-19
BRPI0215796A8 (pt) 2017-02-14
CA2487097C (en) 2009-03-24

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