EP4581981A1 - Lockenwickler - Google Patents

Lockenwickler Download PDF

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Publication number
EP4581981A1
EP4581981A1 EP24150349.9A EP24150349A EP4581981A1 EP 4581981 A1 EP4581981 A1 EP 4581981A1 EP 24150349 A EP24150349 A EP 24150349A EP 4581981 A1 EP4581981 A1 EP 4581981A1
Authority
EP
European Patent Office
Prior art keywords
hair
heating barrel
hair curler
curler
application pad
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.)
Pending
Application number
EP24150349.9A
Other languages
English (en)
French (fr)
Inventor
Mark Johannes Lelieveld
Sze Keung LEUNG
Sze Chuen CHAN
Celia Mei See LAO
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
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 Koninklijke Philips NV filed Critical Koninklijke Philips NV
Priority to EP24150349.9A priority Critical patent/EP4581981A1/de
Priority to PCT/EP2024/088301 priority patent/WO2025146399A1/en
Publication of EP4581981A1 publication Critical patent/EP4581981A1/de
Pending legal-status Critical Current

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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
    • 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
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D1/16—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with a single heated member
    • 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
    • A45D6/00—Details of, or accessories for, hair-curling or hair-waving devices
    • A45D6/02—Devices for winding the hair upon steep-curlers
    • 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
    • A45D6/00—Details of, or accessories for, hair-curling or hair-waving devices
    • A45D6/04—Devices for winding the hair on flat-curlers
    • 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
    • A45D2/12—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers
    • A45D2/14—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers of single-piece type, e.g. stiff rods or tubes with or without cord, band, or the like as hair-fastening means
    • A45D2/22—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers of single-piece type, e.g. stiff rods or tubes with or without cord, band, or the like as hair-fastening means with means for applying liquids therethrough
    • 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
    • A45D2200/10—Details of applicators
    • A45D2200/1009—Applicators comprising a pad, tissue, sponge, or the like
    • A45D2200/1018—Applicators comprising a pad, tissue, sponge, or the like comprising a pad, i.e. a cushion-like mass of soft material, with or without gripping means

Definitions

  • This invention relates to hair curlers, and in particular it relates to hair curlers in which hair is wound around a heated drum and liquid is applied to the hair as part of the curling process.
  • a hair curler is a handheld electronic product used to curl the hair.
  • the main components of this type of hair curler are a handle, a heating element and a sleeve around the heating element to form a hair receiving space (referred to below as a "curling space").
  • the heating element is in the form of a heating barrel which generally has a cylindrical shape.
  • the heating barrel is for example a tourmaline ceramic panel. Hair is wound around the heating barrel in use and is then heated to form a curl. Different sections of hair are treated in succession to create a desired style.
  • the spraying operation is not efficient as it results in wastage, and it may also not result in a uniform application of treatment liquid to the hair. There is therefore a need for an improved treatment liquid application system for a hair curler.
  • a hair curler comprising:
  • This hair curler uses a pad to apply a liquid to the hair while it is being wound around the heating drum and/or when it is removed from the heating drum. This enables the liquid to be applied just before curling and/or after curling.
  • the application pad arrangement comprises a porous body which retains a treatment liquid.
  • the treatment liquid is for example for heat protection. This may simply comprise water, or it may comprise treatment topicals.
  • the heat protection liquid is applied before curling.
  • the treatment liquid may instead or as well comprise an after-care liquid or a fixation liquid. This may be applied during or after curling. Both types of treatment liquid may be applied, at different times.
  • the entry slit for example has a U-shape or V-shape with lateral arms and a base, and wherein the application pad arrangement is provided along at least one arm of the U-shape or V-shape.
  • the hair enters the curling space through the entry slit so that it is moved along the surface of the application pad arrangement during winding of hair into the curler.
  • the application pad arrangement may be provided at least along both arms of the U-shape or V-shape. There may be two separate pads of the application pad arrangement or there may be a single pad that follows the entire shape of the slit, including the base of the U-shape or V-shape as well as the two arms.
  • the application pad arrangement may instead or additionally be provided on the tubular surface of the tubular heating barrel, e.g., along its length. Thus, as hair is wound around the heating barrel, it contacts the application pad arrangement. The application pad arrangement may then be shielded from the heat of the heating barrel, or instead the heat may intentionally be used to assist release of the treatment liquid from the application pad arrangement.
  • a thermally insulating sleeve may be provided between the application pad arrangement and the tubular heating barrel.
  • the application pad arrangement may for example comprise a cylindrical sleeve for fitting around the tubular heating barrel. This provides an easy way for the user to replenish the treatment liquid.
  • the cylindrical sleeve for example comprises a set of channels for containing pad portions that contain the treatment liquid.
  • the treatment liquid may for example be released from the pad portions with the assistance of the heating.
  • the hair curler may further comprise a looper for looping hair around the heating barrel, and the application pad arrangement is provided on the looper.
  • the examples above relate to different pad positions to apply liquid during winding of hair onto the heating barrel.
  • the application pad arrangement may be located at the top of the tubular heating barrel.
  • the entry slit is open at a distal end of the tubular sleeve, and hair is removed by sliding longitudinally off the heating barrel.
  • the second pad arrangement is, in this example, located.
  • the treatment liquid, for application after the curling may comprise an after-care or fixation liquid as mentioned above.
  • the hair curler When the application pad arrangement is configured to be located along a path of the hair both during winding of hair onto the heating barrel and during removal of the hair from the hair curler, the hair curler then has two arrangements of pads (each with one or more pads). They are located such that the first pad or pads apply liquid to the hair when it enters the curling space between the sleeve and heating barrel, and the second pad or pads apply liquid to the hair when it is removed from the curling space.
  • the first pad or pads apply liquid to the hair when it enters the curling space between the sleeve and heating barrel
  • the second pad or pads apply liquid to the hair when it is removed from the curling space.
  • a treatment liquid may also be applied during curling (as well as before and after), by having additional pads within the curling space occupied by the hair during curling.
  • the application pad arrangement comprises a first pad and a second pad, wherein the first and second pads are connected and are movable such that a selected one of the first and second pads is configured to be located along a path of the hair during winding on the tubular heating barrel or along a path of the hair during removal from the hair curler.
  • the first pad is configured to be located along a path of the hair during winding on the tubular heating barrel and the second pad is configured to be located along a path of the hair during removal from the hair curler.
  • the connected first and second pads are for example part of a movable body, wherein the movable body is rotatable, and the hair curler further comprises a drive system to drive the movable body to rotate.
  • a single treatment liquid application unit (with two pads with different treatment liquids) is used. It is moved between the start and end of the curling process, so that during hair loading, hair contacts the first pad and during hair unloading, hair contacts the second pad. The movement is controlled such that a selected one of the first and second pads faces a space between the tubular sleeve and the tubular heating barrel.
  • the rotatable movable body is for example located along the heating barrel.
  • the outward facing side faces into the curling space, and the body is rotated between hair loading and hair unloading.
  • the movable body may be moved manually by the user, or there may be a drive system for driving the movable body between the different operation positions.
  • the movable body is provided on a looper of the hair curler.
  • the heating barrel may have an adjustable size. This enables different curl sizes to be selected.
  • Fig. 1 shows an example of the type of hair curler 10 to which the invention may be applied.
  • the received hair is wound around the heating barrel 18 by a looper 24, i.e., a rotatable element for example having a blade form.
  • a looper 24 i.e., a rotatable element for example having a blade form.
  • the looper 24 is driven to rotate around the heating barrel and it winds hair around the heating barrel.
  • the hair between the heating barrel 18 and the sleeve 20 (the "curling space") is heated while in a wound condition.
  • the hair curler has a controller 30 to control the temperature of the heater, which can evenly disperse the heat, circulate the heating process, improve the protein structure of the hair to create bends, and meanwhile protect the hair during the curling process.
  • the invention relates to a system for applying liquids to the hair during the curling process.
  • Fixation liquids may also be used for assisting fixation (i.e., setting).
  • Fixation liquids typically comprise polymers that form a film on the hair, with alcohol to assist drying.
  • Conditioning agents and/or oils and/or serums may also be applied post-styling together with the fixation product.
  • the invention provides a hair curler which enables treatment liquids to be applied before curling and/or after curling (and also optionally during curling).
  • Fig. 2 shows a first example of the application system for applying a treatment liquid or liquids.
  • An application pad arrangement is used to deliver liquid to the hair.
  • the application pad arrangement comprises one or more pads.
  • the pad or pads comprise a porous structure for retaining liquid, and releasing liquid when contact is made with the surface of the pad, for example when pressure is applied to the surface of the pad.
  • the pad thus has a sponge-like form.
  • a pad thickness and porosity may be selected to achieve the desired release of liquid, in response to the contact and pressure applied by the hair in use of the hair curler.
  • a more open pore structure will give greater storage capacity and a greater application rate.
  • the application pads may be self-contained, or else they may be combined with a storage container for delivering liquid to the pad when it empties.
  • the pads may be static or they may move within a housing, for example with round and rolling pads.
  • the release of liquid absorbed into the pad may be enhanced by heating, whereby the liquid becomes less viscous when heated.
  • the liquid may be shielded from the heat of the heating barrel.
  • the delivery of liquid to the pad surface is typically passive, but it is also possible to employ an internal pumping system for assisting the delivery of liquid from the pad to the hair, for example using a mechanical spring-loaded system or actuated using the thermal energy delivered by heating barrel.
  • the application pad arrangement is configured to be located along a path of the hair during winding around the tubular heating barrel. In another example, the application pad arrangement is configured to be located along a path of the hair during removal of the hair from the hair curler. In some examples, the application pad arrangement includes separate parts which are along the paths of the hair during winding as well as during removal. In such a case, one or more pads are in the path of the hair during winding and one or more pads are in the path of the hair during removal.
  • Fig. 2 shows an example with first pads 40 for applying liquid during winding of hair around the heating barrel and a second pad 42 for applying liquid during hair removal.
  • the first pads 40 are located around the slit 22 which defines the hair entry channel into the curling space.
  • the entry slit has a U-shape (which is intended to include non-parallel sides i.e., a V shape), so that the shape has opposing arms and a connecting base.
  • Fig. 2 shows the pads 40 provided along both of the arms of the U-shape. Instead, there may be a pad along only one arm.
  • the pads may also extend around the bend, so fully around the U-shape or V-shape.
  • Hair makes contact with the first pads 40 when being wound around the heating barrel, causing the pads to release liquid onto the hair.
  • the second pad 42 is located at the top of the tubular heating barrel 18. Hair is removed from the curler by sliding longitudinally off the heating barrel. Thus, when hair is removed from the curling space, it passes across the top of the heating barrel, where the second pad 42 is located.
  • the first pads 40 contain an absorbed heat protection liquid, whereas the second pad 42 contains an after-care or fixation treatment liquid.
  • a treatment liquid may also be applied during curling, by having an additional pad arrangement within the curling space occupied by the hair during curling.
  • Fig. 3 shows an alternative positioning for the first pads 40.
  • the hair passes over the pad 50 driven by the looper 24.
  • the pad 50 may be straight (parallel to the longitudinal axis of the heating barrel) or it may be spiral-wound.
  • the application pad 50 may then be shielded from the heat of the heating barrel, for example by having a heat shielding layer between the inward facing side of the pad 50 and the heating barrel. Instead, the heat may intentionally be used to assist the release of the liquid from the application pad 50.
  • Fig. 4 shows another alternative positioning for the first pad.
  • the first pad comprises an array of pad regions 70 arranged around a cylindrical sleeve 72.
  • the pad regions are fixed to the sleeve and the sleeve is fitted over the heating barrel.
  • the liquid can be replenished by fitting a new sleeve.
  • the pad regions are fitted into channels, and the pad regions contain the treatment liquid.
  • the treatment liquid may for example be released from the pad regions within the channels with the assistance of the heating provided by the heating barrel.
  • the channels and pad regions may extend parallel to the longitudinal axis of the heating barrel as shown, and hence extend along the length of the heating barrel. However, they may instead follow a spiral path around the heating barrel. More generally, in this arrangement, the first pad is provided on the tubular surface of the tubular heating barrel.
  • the whole sleeve may be formed as a pad.
  • the rotatable body is mounted on the looper.

Landscapes

  • Hair Curling (AREA)
EP24150349.9A 2024-01-04 2024-01-04 Lockenwickler Pending EP4581981A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP24150349.9A EP4581981A1 (de) 2024-01-04 2024-01-04 Lockenwickler
PCT/EP2024/088301 WO2025146399A1 (en) 2024-01-04 2024-12-23 A hair curler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP24150349.9A EP4581981A1 (de) 2024-01-04 2024-01-04 Lockenwickler

Publications (1)

Publication Number Publication Date
EP4581981A1 true EP4581981A1 (de) 2025-07-09

Family

ID=89474099

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24150349.9A Pending EP4581981A1 (de) 2024-01-04 2024-01-04 Lockenwickler

Country Status (2)

Country Link
EP (1) EP4581981A1 (de)
WO (1) WO2025146399A1 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014780A1 (en) * 1989-06-07 1990-12-13 Fibrous Keratin Pty. Limited Hair setting
US20230200510A1 (en) * 2015-12-28 2023-06-29 Kiss Nail Products, Inc. Hairstyling apparatuses and related methods

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014780A1 (en) * 1989-06-07 1990-12-13 Fibrous Keratin Pty. Limited Hair setting
US20230200510A1 (en) * 2015-12-28 2023-06-29 Kiss Nail Products, Inc. Hairstyling apparatuses and related methods

Also Published As

Publication number Publication date
WO2025146399A1 (en) 2025-07-10

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