EP4547059A1 - Haarstylingutensil und verfahren zur herstellung - Google Patents
Haarstylingutensil und verfahren zur herstellungInfo
- Publication number
- EP4547059A1 EP4547059A1 EP23744871.7A EP23744871A EP4547059A1 EP 4547059 A1 EP4547059 A1 EP 4547059A1 EP 23744871 A EP23744871 A EP 23744871A EP 4547059 A1 EP4547059 A1 EP 4547059A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wire
- hair styling
- shape memory
- memory alloy
- fabric
- 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
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
- A45D8/00—Hair-holding devices; Accessories therefor
-
- 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
- A45D2/18—Flexible 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
- A45D8/00—Hair-holding devices; Accessories therefor
- A45D8/34—Hair-braid holders; Hair-plait holders
-
- 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
- A45D8/00—Hair-holding devices; Accessories therefor
- A45D8/36—Hair straps; Hair rings
Definitions
- the invention relates to a hair styling tool designed to be applied to human hair to create curls, waves and/or voluminous hair.
- the invention further relates to a manufacturing process for the hair styling utensil.
- a variety of hairstyles can be created with the help of a curling iron or a straightening iron.
- the disadvantage is that it takes a lot of time because the hair can only be partially processed and manual twisting is required, and manual twisting can cause pain in the shoulder area and wrists.
- Dyson's Airwrap hair styler attempts to minimize the heat problem by using warm airflow (95°C) and the Coanda effect.
- Dyson's Airwrap hair styler requires different attachments, which makes it complicated to use; With the Airwrap hair styler, the hair can only be partially removed at a time be processed, which means that it takes more time to prepare the hair.
- Creating waves in the hair without the use of heat has already been implemented in the prior art as a purchasable product, such as the product “Heatless Curl Hair Ribbon” or other products that are similar to the “Heatless Curl Hair Ribbon”.
- the “Heatless Curl Hair Ribbon” has a core made of an aluminum wire in the middle, which is covered in foam and finally covered with silk or a synthetic material.
- the product is designed as a long tube and comes with a large hair clip and two hair ties.
- the “Heatless Curl Hair Ribbon” is unwieldy and attaching it to the hair takes effort. Sleeping with the “Heatless Curl Hair Ribbon” inserted is uncomfortable;
- the “Heatless Curl Hair Ribbon” also only offers one handling option and cannot be washed and is therefore not suitable for everyday use.
- the invention relates to a hair styling utensil, comprising a flat structure and at least one wire having a shape memory alloy, which is connected to the flat structure, wherein the hair styling utensil in an undeformed state has a longitudinal direction running centrally through the hair styling utensil and a longitudinal extension along the longitudinal direction, wherein in the undeformed state, the at least one wire having a shape memory alloy runs on both sides of the central longitudinal direction along at least part of the longitudinal extent, and wherein the hair styling utensil is designed to be converted into a deformed state by mechanical deformation of the at least one wire having a shape memory alloy .
- Shape memory alloys are alloys that can be deformed in a "cold” state and through phase transformation, preferably by heating, for example, with a hairdryer, iron (also known as household appliances), or in a washing machine (other ways to achieve a phase transformation , but are also possible) can return to an original shape that the shape memory alloy “remembers”. Shape memory alloys are particularly reversible.
- the hair styling utensil In an undeformed state, can be band-shaped, wherein the longitudinal direction can correspond to a main direction of expansion of the band-shaped hair styling utensil.
- the at least one one Wire comprising shape memory alloy is arranged on both sides of the longitudinal direction in the undeformed state.
- Such an arrangement of the at least one wire having a shape memory alloy gives the hair styling tool according to the invention a high level of stability. When deformed, the hair styling tool is dimensionally stable and can therefore be inserted into the hair without any additional aids.
- a wire containing shape memory alloys can also be subjected to greater stress when bent than wires made of common metals; Wires made of common metals can break, especially after being bent several times; Wires made of shape memory alloys can be bent much more often without breaking.
- a hair styling utensil according to the invention can be designed in such a way that its shape, induced by the original shape of the at least one wire having a shape memory alloy, in the undeformed state is such that strands of hair are held by the hair styling utensil without the need for further aids such as clips or hair ties: for example, deformation can occur of the hair styling utensil into a deformed state contribute to the fact that the hair styling utensil according to the invention can be easily introduced into the hair, and a subsequent phase transformation into the original form can then fix the introduced hair styling utensil. Alternatively, strands of hair can also be fixed in the deformed state, whereby the stability of the shape memory alloys can be exploited for this purpose.
- the hair styling tool can be folded or rolled up.
- the high flexibility of shape memory alloys also makes it possible to deform a hair styling tool according to the invention into a variety of shapes and thus to create a variety of different hairstyles.
- a hair styling utensil according to the invention is also gentle on hair, since the hair is only shaped by mechanically screwing in the hair styling utensil.
- a hair styling tool according to the invention is sustainable; in particular, it does not require any electrical energy to shape the hair, and the materials used can be designed in such a way that they can be reused to a large extent in the product life cycle.
- the term flat structure can serve as a generic term for all two-dimensional textile products.
- the term fabric can also include circular knitted textile products without a seam or flat knitted textile products with a seam.
- the fabric is designed such that the at least one wire having a shape memory alloy is connected to the fabric in such a way that a deformation of the at least one wire having a shape memory alloy also leads to a deformation of the fabric.
- the at least one wire having a shape memory alloy can also be formed from a plurality of wire threads.
- the size of the particularly flexible fabric can vary and be adapted to different hair lengths and handling options.
- a hair styling tool according to the invention can be used to create different hairstyles and can be used in particular to curl or wave hair.
- the at least one wire can also be designed as a copper wire (with or without plastic sheathing), as an enameled copper wire (with or without plastic sheathing) or as an aluminum wire (with or without plastic sheathing).
- the at least one wire can be designed as a single wire and have a diameter of 0.1 to 2 millimeters.
- the at least one wire can also be designed as a stranded wire and have at least two individual strands, the at least two individual strands being twisted/braided to form the at least one wire.
- the ends of a braided stranded wire can be fixed, for example, by welding or gluing.
- the at least one wire having a shape memory alloy has only a single wire, the individual wire forming a closed curve.
- the individual wire can run at a short distance, and in particular parallel, to the edges of the fabric.
- the single wire runs on both sides, which are defined by the central longitudinal direction, of the hair styling tool.
- the closed curve can be designed as an oval curve in the undeformed state.
- the individual wire can be at least partially rod-shaped or can also run in a zigzag shape; However, further courses of the individual wire are also possible.
- the individual wire can be designed as a single wire or as a stranded wire.
- the at least one wire having a shape memory alloy has a first wire and a second wire, the first wire running on a first side of the two sides and the second wire running on a second side of the two sides runs, and in particular free-standing ends of the two wires are each capped with a protective cap, which are each attached to the free-standing ends.
- the first wire or the second wire can each be designed as a single wire or as a stranded wire.
- the at least one wire having a shape memory alloy can also have more than two wires.
- the wires can be laid in different ways, in particular in sections parallel to the longitudinal direction and/or to an edge of the fabric, or even in a zigzag shape, or the wires can be bent in sections.
- the at least one wire having a shape memory alloy runs on both sides of the wire centrally extending longitudinal direction at least in sections parallel to the longitudinal direction.
- nickel-titanium shape memory alloys are food-safe and body-friendly (biocompatible).
- shape memory alloys are also characterized by a long service life despite frequent deformation.
- the shape memory alloy can also be designed as a ternary nickel-titanium-copper shape memory alloy.
- the nickel content can be reduced and replaced by copper, such replacement leading to a shift in the transformation temperatures.
- Wires made of a nickel-titanium-copper shape memory alloy have an improved thermal coefficient compared to a nickel-titanium shape memory alloy, so that such a wire can be heated more easily, for example using a hair dryer.
- the at least one wire can also consist of shape memory alloys that have a different material composition.
- Possible further shape memory alloys can include the following material combinations with different material proportions: copper-zinc-aluminum, copper-aluminum-nickel, iron-nickel-cobalt-titanium, or iron-manganese-silicon.
- copper-zinc-aluminum, copper-aluminum-nickel, iron-nickel-cobalt-titanium, or iron-manganese-silicon can include the following material combinations with different material proportions: copper-zinc-aluminum, copper-aluminum-nickel, iron-nickel-cobalt-titanium, or iron-manganese-silicon.
- the use of the aforementioned shape memory alloys can lead to improved product life.
- a shape memory alloy can be selected that has high corrosion resistance to water or other chemical substances. Salts, fats or acids that are released or formed during perspiration of the scalp could also lead to corrosion of the wire if a suitable material composition or coating is not chosen.
- the fabric is made of cotton, or the fabric is made of cotton and elastane and/or Lycra, or the fabric is made of silk, or the fabric is made of silk and elastane and/or Lycra formed.
- the fabric can also be formed from other plant or animal natural fibers/yarns/twists or synthetic fibers/yarns/twists and/or also have microfibers or the like. Cotton can be beneficial because it does not put additional strain, dry out or damage on your hair. Furthermore, a hair styling utensil containing, for example, cotton and a shape memory alloy can also be washed in a washing machine without losing its shape: a corresponding hair styling utensil can therefore be used hygienically. A surface of the fabric can, for example, be smooth or terry, or otherwise refined or coated.
- the at least one wire having a shape memory alloy is coated with a plastic, and/or the at least one wire having a shape memory alloy is coated with a shape memory polymer.
- Such a coating can help to put less strain on the at least one wire having a shape memory alloy when it is bent and thus improve the lifespan of the hair styling utensil.
- a shape memory polymer used for coating can have a similar transition temperature as the wire, so that a phase transformation occurs, for example when heated, for both the wire and the shape memory polymer.
- the at least one wire having a shape memory alloy is arranged in at least one receiving area sewn into the flat structure, in particular designed as a receiving tube, and/or the at least one wire having a shape memory alloy is sewn into the flat structure and /or woven in and/or knitted in and/or circular knitted and/or embroidered and/or knitted in.
- the at least one wire having a shape memory alloy can be placed on the fabric and by means of a Rolled hem, which extends along a closed curve of the outer edge of the fabric, can be fixed.
- the rolled hem can be created using an overlock.
- the rolled hem can also be created by inserting the at least one wire into the receiving tube and fixing it by forming said rolled hem along the outer edges.
- the material of the rolled hem encloses the at least one wire having a shape memory alloy.
- the flat structure has at least one slot and/or at least one hole, the flat structure having in particular two holes, which in particular are each positioned around the centrally extending longitudinal direction, and the two holes in particular so are positioned so that after a symmetrical folding of the hair styling tool around a folding direction that is essentially orthogonal to the longitudinal direction, the two holes lie one above the other.
- the flat structure is tubular and has a tubular region, and a single slot is formed on one side of the tubular flat structure, and/or the hair styling utensil is designed to accommodate rollers and/or inserts , and/or at least one band is attached to the fabric of the hair styling tool.
- the at least one wire having a shape memory alloy is placed on the flat structure and the at least one wire having a shape memory alloy is fixed on the flat structure by means of a fastening thread that at least partially encloses the wire in order to form a composite.
- the fabric can be formed from one of the aforementioned materials, such as cotton, a mixture of cotton and elastane, Lycra, silk, felt or another breathable material. Furthermore, the material should have the necessary tensile strength to securely hold a thread, such as the fastening thread.
- the fabric preferably consists of a fleece which is tear-resistant but still light, ie has a low density.
- the wire can, for example preformed, be placed on the fabric and fixed on the fabric using the fastening thread, which at least partially encloses the wire.
- the fastening thread penetrates the material of the fabric so that it emerges from an underside of the fabric or can be seen there, as is the case, for example, with embroidered textile parts.
- the fastening thread can consist of the same material as the fabric. Preferably, however, the fastening thread has a higher tensile strength than the yarn or fabric used to produce the fabric.
- the fastening thread can be, for example, a tear-resistant thread. Alternatively or additionally, the fastening thread can have a higher extensibility than the yarn or the fabric of the fabric.
- the so-called tailored fiber placement (TFP) process can be used to produce the composite.
- a guide head places the wire along a predetermined contour on the fabric, with this process step taking place while simultaneously fixing the wire using the fastening thread.
- the wire is continuously fed to it so that the wire is given the desired shape (which preferably corresponds to the contour).
- the wire is preferably in a mechanically undeformed state, i.e. in the undeformed initial state.
- the TFP process advantageously leads to a mechanically stable connection between the wire and the fabric, so that the hair utensil can be returned to its undeformed initial state after deformation and with the addition of energy (e.g. thermal energy) by changing the shape of the shape memory alloys. This can lead to a further improvement in product lifespan, as the wire's movement is restricted by the additional fastening using a fastening thread.
- energy e.g. thermal energy
- the hair styling utensil further has a tubular sheath with an inner volume, the composite being completely introduced into the inner volume and the tubular sheath preferably being mechanically connected to the flat structure of the composite.
- the tubular casing can, for example, consist of the same material as the fabric, or can also consist of a different material, such as a waterproof or gas-tight material. If the material consists of a material that is obtainable by knitting, the cover can advantageously be produced using a circular knitting process. This allows the tubular casing to be produced in large quantities and lengths in an endless process.
- the production of the tubular cover using a circular knitting process regardless of the production of the composite, reduces the manufacturing costs and increases the flexibility in the selection of the materials used for the cover.
- the tubular casing can also be connected to the composite, in particular the fabric. Common joining methods such as gluing, sewing, embroidery or ultrasonic welding can be used depending on the material.
- the invention further relates to a method for producing a hair styling utensil, wherein the hair styling utensil has the structure according to at least one of the aforementioned embodiments (or a combination of embodiments).
- the procedure includes the following steps:
- the at least one wire having a shape memory alloy and the fastening thread
- the method described advantageously leads to a hair styling utensil which has good (re)formability and a long shelf life.
- the manufacturing process is easy to use and can be used for the production of large quantities, which can lead to significant cost savings.
- the use of the TFP process has the advantage that the hair styling utensil can be easily recycled, i.e. without much effort. To do this, the fastening thread can be separated and the wire removed from the composite. This allows the individual elements to be individually fed into the recycling cycle.
- the method further comprises the following steps:
- Tubular casings generally have two open ends. After inserting the composite into the tubular casing, the two ends can be closed to hold the composite securely in the internal volume. If an open end has already been closed before insertion, only one open end then needs to be closed. The hold in the internal volume can also be improved by connecting the composite to the cover.
- the method further comprises the following steps:
- the present embodiment may also represent an independent aspect of the invention.
- the hair styling utensil can, for example, be rolled up onto a roll with a specified diameter and packaged together with the roll to save space.
- Space-saving packaging allows cost-effective transport because more products can be transported per volume.
- FIG. 1 shows schematically embodiments of a hair styling tool according to the invention.
- FIG. 2 shows schematically possible extensions of a hair styling tool according to the invention.
- FIG. 3 shows schematically further embodiments of a hair styling tool according to the invention.
- FIG. 4 shows schematically further embodiments of a hair styling tool according to the invention.
- 5, 6, 7 and 8 show schematically options for attaching a hair styling tool according to the invention to the hair.
- FIG. 9 shows schematically further embodiments of a hair styling tool according to the invention.
- Fig. 1 shows schematically embodiments of a hair styling tool according to the invention.
- Fig. 1a shows a fabric 1 with a wire 2 made of a shape memory alloy, which runs along the edges of the fabric 1.
- the hair styling tool has a longitudinal direction 8 and a longitudinal extent along the longitudinal direction 8.
- the wire runs on both sides of the longitudinal direction 8.
- the wire 2 forms a closed curve.
- Fig. 1 b shows a section of a hair styling utensil according to the invention Flat structure and a wire made of shape memory alloys at the edges of the flat structure, the wire 2 in the section shown running parallel to the longitudinal direction 8 on both sides of the longitudinal direction 8.
- the detail shown in Fig. 1b does not include the end regions of the hair styling utensil, with one end region being shown in Fig.
- FIG. 1c shows a further embodiment of a hair styling tool according to the invention, comprising a flat structure 1, a wire 2 and a sheath 3 of the wire 2 with a plastic and / or with a
- Fig. 1e corresponds to Fig. 1d, whereby, in contrast to Fig. 1d, there is no sheathing of the wire 2 in Fig. 1e. 1f in turn shows a top view of an embodiment of a hair styling utensil according to the invention, with a wire 2 having a shape memory alloy being arranged on the edges of a flat structure 1.
- FIG. 2 shows schematically possible extensions of a hair styling tool according to the invention.
- bands 4 or cords 4 can be attached to the hair styling utensil, the hair styling utensil having a sheet 1 and a wire 2: a hair styling utensil adapted in this way can sometimes be attached to the hair more easily.
- Fig. 2b shows further rollers 5 and/or inserts 5 that can also be used.
- Bands 4, cords 4 or other possible attachments 4 can already be attached to the hair styling utensil, or the hair styling utensil can be designed so that a user can attach these attachments 4 to the hair styling utensil.
- 3 shows schematically further embodiments of a hair styling tool according to the invention.
- Fig. 3a shows an embodiment of a hair styling tool with two mutually parallel wires 2 and a further embodiment with a plurality of mutually parallel wires 2.
- the free-standing ends of the wires 2 can be capped.
- Fig. 3b shows an embodiment of a hair styling utensil that is constructed similarly to the exemplary embodiments shown in Fig. 1: in addition, the exemplary embodiment shown in Fig. 3b also has two holes 6 in the fabric through which hair can be guided.
- the example shown in Fig. 3b can also be seen in Fig. 3c.
- Fig. 3d in turn is similar to Fig. 3c, with only one hole 6 being arranged centrally in the fabric 1 instead of two holes 6 in Fig. 3d.
- FIG. 4 shows schematically further embodiments of a hair styling tool according to the invention.
- Fig. 4a shows an embodiment of a hair styling tool that is similar to the embodiments shown in Fig. 1: in addition, the embodiment shown in Fig. 4a also has two slots 7, which are arranged on one side of the fabric, and for example hair through the two Slots 7 can be guided.
- Fig. 4b is similar to Fig. 4a, although in contrast to Fig. 4a there is only one slot 7 running through the fabric through which hair can be guided.
- Fig. 4a shows an embodiment of a hair styling tool that is similar to the embodiments shown in Fig. 1: in addition, the embodiment shown in Fig. 4a also has two slots 7, which are arranged on one side of the fabric, and for example hair through the two Slots 7 can be guided.
- Fig. 4b is similar to Fig. 4a, although in contrast to Fig. 4a there is only one slot 7 running through the fabric through which hair can be guided.
- FIG. 4c in turn shows an embodiment of a hair styling utensil which is tubular and has a slot 7 only on one side of the fabric: hair can then be guided into the tubular area provided by the tubular hair styling utensil and this tubular area through the slot 7 leave.
- FIG. 5a shows schematically the case in which the two halves of hair separated at the crown can be shaped separately using a hair styling tool according to the invention: in particular, a Hair styling utensil according to the invention, as shown in Fig. 5b, can be screwed into the hair, whereby one end of a hair styling utensil according to the invention can be folded up for fastening, as shown in Fig. 5c.
- the shape memory alloys used in the hair styling tool according to the invention enable such a strong deformation, with the at least one wire being only slightly damaged or fatigued despite the strong deformation.
- individual strands can be twisted around a hair styling tool according to the invention, whereby curls can be created, or a hair styling tool according to the invention can be braided together with the hair, as in a braid, a French braid or a herringbone braid, whereby waves can be created.
- a hair styling tool according to the invention does not require any additional aids such as hair ties, fixation elastics, fixation bands and hair clips for attaching to the hair, unwanted marks and dents in the hair can be avoided.
- 5d-f and 6a-c show how the separately formed hair can be brought together at the back of the head, then twisted and finally secured in a bun.
- a hair styling tool according to the invention can also be screwed in on the top of the head, whereby a larger hair volume can be achieved.
- many hair styling utensils according to the invention can also be attached to a main band strands of hair can then be twisted around the hair styling utensils attached to the main band.
- Fig. 9 shows schematically further embodiments of a hair styling tool according to the invention.
- Fig. 9a shows an embodiment, in particular a part of a hair styling utensil, wherein a wire 2 having a shape memory alloy is arranged on the edges of a flat structure 1 (see Fig. 1f).
- the fabric 1 in Fig. 9a is designed as a fleece and the wire 2 was attached to the fleece, which functions as a laminate base, using the TFP process.
- a tear-resistant fastening thread 9 was used, which partially covers the wire 2 and dips into the fleece on both sides along the contour of the wire 2 in order to be countered on the underside of the fabric 2, for example with a transverse thread.
- Fig. 9b shows a tubular casing 10, which has an internal volume, not shown.
- the part of the hair styling tool shown in FIG. 9a can be introduced into the internal volume, with open ends of the tubular casing 10 being folded over and closed by means of a rolled seam in order to provide a closed pocket in which the part from FIG. 9a is located. This forms the hair styling tool.
- the tubular cover 10 is made of cotton.
- FIG. 9c shows a sectional view of the casing 10 from Fig. 9b, into which the part from Fig. 9a has been inserted.
- the sheath 10 envelops the part, with the wire 2 having been attached to the sheet 1 using the TFP process.
- the fastening thread 9 surrounds the wire on the top and dips into the fabric 1 on both sides next to the wire 2, so that part of the Fastening thread 9 extends to the underside of the fabric 1 and is countered there, if necessary, with a transverse thread, not shown.
- the cross thread is not absolutely necessary for countering on the underside, as it can be omitted depending on the TFP process or stitch used.
Landscapes
- Hair Curling (AREA)
- Corsets Or Brassieres (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH000785/2022A CH719845A2 (de) | 2022-06-29 | 2022-06-29 | Haarstylingutensil. |
| PCT/IB2023/056746 WO2024003807A1 (de) | 2022-06-29 | 2023-06-29 | Haarstylingutensil und verfahren zur herstellung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4547059A1 true EP4547059A1 (de) | 2025-05-07 |
| EP4547059B1 EP4547059B1 (de) | 2026-04-15 |
Family
ID=87429457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23744871.7A Active EP4547059B1 (de) | 2022-06-29 | 2023-06-29 | Haarstylingutensil und verfahren zur herstellung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4547059B1 (de) |
| CH (1) | CH719845A2 (de) |
| WO (1) | WO2024003807A1 (de) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6083503U (ja) * | 1983-11-17 | 1985-06-10 | 凸版印刷株式会社 | ヘアカ−ラ− |
| US4911186A (en) * | 1987-12-11 | 1990-03-27 | The Schawbel Corporation | Convertible hair roller |
| JPH02102607A (ja) * | 1988-10-12 | 1990-04-16 | Shinnitsusei Sangyo Kk | ヘアーカーラーおよびその加熱装置 |
| US5494059A (en) * | 1993-11-11 | 1996-02-27 | Barrows; David P. | Hair styling implement and method |
| KR20130125849A (ko) * | 2012-05-10 | 2013-11-20 | 곽영문 | 모발 성형부재 |
| WO2017196709A1 (en) * | 2016-05-09 | 2017-11-16 | Ward Mihoko | Multi-use hair styling apparatus and methods of use |
-
2022
- 2022-06-29 CH CH000785/2022A patent/CH719845A2/de unknown
-
2023
- 2023-06-29 WO PCT/IB2023/056746 patent/WO2024003807A1/de not_active Ceased
- 2023-06-29 EP EP23744871.7A patent/EP4547059B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CH719845A2 (de) | 2024-01-15 |
| EP4547059B1 (de) | 2026-04-15 |
| WO2024003807A1 (de) | 2024-01-04 |
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