WO2012046188A1 - Hair extension - Google Patents

Hair extension Download PDF

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Publication number
WO2012046188A1
WO2012046188A1 PCT/IB2011/054362 IB2011054362W WO2012046188A1 WO 2012046188 A1 WO2012046188 A1 WO 2012046188A1 IB 2011054362 W IB2011054362 W IB 2011054362W WO 2012046188 A1 WO2012046188 A1 WO 2012046188A1
Authority
WO
WIPO (PCT)
Prior art keywords
hair
face
plate
adhesive
extension according
Prior art date
Application number
PCT/IB2011/054362
Other languages
French (fr)
Inventor
Luciano Di Biase
Original Assignee
Luciano Di Biase
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 Luciano Di Biase filed Critical Luciano Di Biase
Priority to EP11781622.3A priority Critical patent/EP2624714B1/en
Priority to US13/825,103 priority patent/US20130180540A1/en
Publication of WO2012046188A1 publication Critical patent/WO2012046188A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
    • A41G5/00—Hair pieces, inserts, rolls, pads, or the like; Toupées
    • A41G5/004—Hair pieces
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
    • A41G5/00—Hair pieces, inserts, rolls, pads, or the like; Toupées
    • A41G5/004—Hair pieces
    • A41G5/0046—Hair pieces forming hair extensions from bundles of hair
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
    • A41G5/00—Hair pieces, inserts, rolls, pads, or the like; Toupées
    • A41G5/004—Hair pieces
    • A41G5/0053—Fastening thereof
    • A41G5/008—Fastening thereof by adhesives

Definitions

  • the present invention relates to hair extensions of the type comprising a lock of hair rendered fixed with respect to a body made of thermoplastic material provided for anchorage thereof to the hair.
  • the body made of thermoplastic material consists of a strip and of a sheet, respectively, on the internal surface of which there adheres one end of the extension lock, with the corresponding hair set parallel to said surface.
  • the strip or sheet, respectively is then folded around the end of the lock of hair and then subjected to heating to bring about softening thereof and finally, following upon subsequent cooling, consequent fixing of the extension on the hair.
  • the object of the present invention is to overcome the aforesaid drawbacks and, more in particular, to provide a hair extension of the type defined above that will enable, following upon its application to the hair of the user, an improved effect of thickening and above all voluminization of the hair to be obtained.
  • a further object is to provide a hair extension, the element of anchorage of which to the hair is, in the condition where the extension is applied, substantially invisible.
  • the above objects are achieved basically thanks to the fact that the aforesaid body made of plastic material consists of a substantially rigid plate, from a first face of which there extends at least one linear layered tress of hair, the ends of which are fixed head-on to said face, orthogonal to the plane thereof, and the second face of which, opposite to the first one, carries means for permanent attachment or means for temporary attachment to the hair.
  • the invention envisages various configurations of the means for attachment to the hair associated to the second face of the plate, whether of a permanent- attachment type, in particular by thermoadhesion, or of a temporary-attachment type, as well as a peculiar method of application of the extension.
  • FIG. 1 is a schematic and partial dorsal perspective view of a hair extension according to a first embodiment of the invention
  • Figures 2 and 3 are views similar to that of Figure 1 showing, respectively, a second embodiment and a third embodiment of the invention
  • FIGS. 4 and 5 are two schematic and partial front perspective views that show a fourth embodiment and a fifth embodiment of the invention, respectively;
  • FIG. 6 is a dorsal perspective view that illustrates schematically a sixth embodiment of the invention.
  • Figure 7 is a front perspective view of Figure 6;
  • the hair extension according to the invention comprises a plate 1 made of thermoplastic material, which is substantially rigid at room temperature or even relatively flexible, having for example a general quadrangular shape.
  • the plate 1 has an external or dorsal face la and an internal or front face lb, of which the first carries an extension lock of hair designated as a whole by 2, and the second is provided for anchorage thereof to the hair of the user.
  • the lock 2 includes at least one linear layered tress of hair, and more conveniently a plurality (in the example illustrated, four) of such linear layered tresses of hair 2a, 2b, 2c and 2d, set on top of one another and slightly spaced apart, starting from the top or top end lc of the plate 1.
  • the face la will englobe in a permanent way the tips of the hair of the various linear tresses set on top of one another 2a-2d, with a "waterfall" effect exemplified in the drawings, which, in the condition where the extension is applied, enables an aesthetically appreciable voluminization to be obtained, in addition to thickening of the hair to which the extension is applied. Furthermore, the plate 1, hidden by the tresses of hair 2a-2d, will be substantially invisible.
  • the front face lb opposite to the dorsal face la of the plate 1 can be configured with different alternative systems of permanent attachment or temporary attachment to the hair.
  • the system of permanent attachment consists of a series of appendages 3, which are formed integrally with the plate 1, projecting in a direction orthogonal to the face lb and to the multiple tresses of hair 2a-2d, substantially like a comb.
  • the system of permanent attachment consists of a series of appendages 3, which are formed integrally with the plate 1, projecting in a direction orthogonal to the face lb and to the multiple tresses of hair 2a-2d, substantially like a comb.
  • locks of the hair which are then anchored to the plate 1 by means of heating, softening, and plastic deformation of said appendages 3 against the face lb.
  • the locks of the hair will be firmly anchored to the plate 1.
  • the system of permanent attachment of the plate 1 to the hair is constituted by a side flange 4 of the plate 1, which can be folded by hot deformation from the open position represented in the figures, where it extends substantially orthogonal to the face lb, to a closing position for gripping a lock of hair against said face lb.
  • the flange 4 is replaced by a pair of opposed side flanges 5, which can also be folded by hot deformation from the open position represented in the figures to a closed position for gripping the lock of hair against the face lb of the plate 1.
  • the anchorage systems described so far which may obviously differ from the constructional standpoint, provide, as has been said, a permanent anchorage of the extension to the hair of the user, in the sense that its possible subsequent removal requires application of a solvent or the like for detachment of the plate 1 from the lock to which the extension has been applied.
  • FIGS. 4 and 5 show, instead, two examples of temporary application; i.e., the hair extensions are immediately removable without requiring particular operations on the plate 1.
  • the plate 1 to the dorsal face la of which the linear layered tresses of hair 2a, 2b, 2c, 2d are anchored with the same modalities described previously, has an elongated shape, and one or more combs 6 for engagement to corresponding locks of hair are mechanically fixed to its front face lb, for example by riveting or else gluing .
  • the plate 1 which also has a general elongated conformation, is provided on its front face lb with a biadhesive tape 7 for application, that is by adhesion, to the hair.
  • the tab 8 includes three consecutive foldable portions A, B, C, where:
  • the first portion A is joined to the face lb of the plate 1 on the back 8b of the tab 8, for example via adhesive;
  • first portion A, the second portion B, and the third portion C are adhesive on the front side 8a of the tab 8 and are coated with a first anti-adhesive layer or sheet 9 that can be removed upon application of the extension;
  • the third portion C is adhesive also on the back 8b of the tab 8 and is coated with a second anti- adhesive layer or sheet 10, removable at the end of application of the extension.
  • the first portion A is conveniently adhesive also on the back 8b of the tab 8, whereas the second portion B is adhesive only on the front 8a.
  • the first anti-adhesive layer 9 is removed so as to expose the adhesive portions A, B, C on the front side 8a of the tab 8 ( Figure 8) .
  • the second adhesive portion B is separated and re-opened with respect to the first adhesive portion A ( Figure 11), and the third adhesive portion C is folded and made to adhere, by exerting pressure, against the second adhesive portion B ( Figure 12) .
  • the second anti-adhesive layer 10 is removed, so as to expose the third adhesive portion C on the back 8b of the tab 8 ( Figure 13), and finally the first adhesive portion A and the third adhesive portion C are folded and made to adhere by pressure against one another ( Figure 14).

Abstract

A hair extension formed by a lock of hair (2) rendered fixed with respect to a substantially rigid plate (1), from a first face (1a) of which there extends at least one linear layered tress of hair (2a, 2b, 2c, 2d), the ends of which are fixed head-on to said face (1a), orthogonal to the plane thereof, and the second face of which (1b) opposite to the first face (1a) carries means for permanent attachment (3, 4, 5) or means for temporary attachment (6, 7, 8) to the hair.

Description

"Hair extension"
Ά· "k Field of the invention
The present invention relates to hair extensions of the type comprising a lock of hair rendered fixed with respect to a body made of thermoplastic material provided for anchorage thereof to the hair.
Prior art
To connect the above sort of hair extensions to the hair of the user so as to lengthen it and thicken it and render it more voluminous, various solutions have been proposed, none of which, however, has proven completely satisfactory.
Hence, for example, in the case of the British patent No. GB-2288976 and of the German patent No. DE- 19626107, the body made of thermoplastic material consists of a strip and of a sheet, respectively, on the internal surface of which there adheres one end of the extension lock, with the corresponding hair set parallel to said surface. For its application, the strip or sheet, respectively, is then folded around the end of the lock of hair and then subjected to heating to bring about softening thereof and finally, following upon subsequent cooling, consequent fixing of the extension on the hair.
In either case, following upon application of the strip or sheet, even though this is partially transparent, it remains visible, and this constitutes an evident drawback of an aesthetic nature. Furthermore, since the extension lock hangs from the strip or sheet parallel to the plane thereof, the so to speak voluminizing effect of the hair extension applied is insufficient or even inexistent, which constitutes a further aesthetic drawback.
Summary of the invention
The object of the present invention is to overcome the aforesaid drawbacks and, more in particular, to provide a hair extension of the type defined above that will enable, following upon its application to the hair of the user, an improved effect of thickening and above all voluminization of the hair to be obtained.
A further object is to provide a hair extension, the element of anchorage of which to the hair is, in the condition where the extension is applied, substantially invisible.
According to the invention, the above objects are achieved basically thanks to the fact that the aforesaid body made of plastic material consists of a substantially rigid plate, from a first face of which there extends at least one linear layered tress of hair, the ends of which are fixed head-on to said face, orthogonal to the plane thereof, and the second face of which, opposite to the first one, carries means for permanent attachment or means for temporary attachment to the hair.
According to a preferred embodiment of the invention, fixed to the aforesaid first face of the plate made of thermoplastic material, starting from its top, are multiple linear tresses of hair set on top of one another and slightly at a distance from one another .
The invention envisages various configurations of the means for attachment to the hair associated to the second face of the plate, whether of a permanent- attachment type, in particular by thermoadhesion, or of a temporary-attachment type, as well as a peculiar method of application of the extension.
Brief description of the drawings The invention will now be described in detail with reference to the annexed drawings, which are provided purely by way of non-limiting example and in which:
- Figure 1 is a schematic and partial dorsal perspective view of a hair extension according to a first embodiment of the invention;
- Figures 2 and 3 are views similar to that of Figure 1 showing, respectively, a second embodiment and a third embodiment of the invention;
- Figures 4 and 5 are two schematic and partial front perspective views that show a fourth embodiment and a fifth embodiment of the invention, respectively;
- Figure 6 is a dorsal perspective view that illustrates schematically a sixth embodiment of the invention;
- Figure 7 is a front perspective view of Figure 6; and
- Figures 8-14 show schematically the sequence of the steps of application of the sixth embodiment of Figures 6 and 7.
Detailed description of the invention
With initial reference to Figure 1, in a first embodiment the hair extension according to the invention comprises a plate 1 made of thermoplastic material, which is substantially rigid at room temperature or even relatively flexible, having for example a general quadrangular shape.
The plate 1 has an external or dorsal face la and an internal or front face lb, of which the first carries an extension lock of hair designated as a whole by 2, and the second is provided for anchorage thereof to the hair of the user.
According to the peculiar characteristic of the invention, the lock 2 includes at least one linear layered tress of hair, and more conveniently a plurality (in the example illustrated, four) of such linear layered tresses of hair 2a, 2b, 2c and 2d, set on top of one another and slightly spaced apart, starting from the top or top end lc of the plate 1.
The hair of each linear layered tress 2a, 2b, 2c,
2d is rendered fixed with respect to the dorsal face la of the plate 1 as a result of fixing of the respective tips in a direction orthogonal to the said face la. To fix the surface of the face la, this is heated until it softens, and then the tips of the hair are englobed therein, being inserted, as has been said, in a direction perpendicular to the plane of the face la. Said operation can be obtained, also simultaneously for the hair of all the tresses 2a-2d, via a suitable tool for gripping the hair, via application of a heat- meltable adhesive on the face la, heating, insertion head-on of the hair, and then fixing thereof following upon cooling. At the end of cooling, the face la will englobe in a permanent way the tips of the hair of the various linear tresses set on top of one another 2a-2d, with a "waterfall" effect exemplified in the drawings, which, in the condition where the extension is applied, enables an aesthetically appreciable voluminization to be obtained, in addition to thickening of the hair to which the extension is applied. Furthermore, the plate 1, hidden by the tresses of hair 2a-2d, will be substantially invisible.
For its application, the front face lb opposite to the dorsal face la of the plate 1 can be configured with different alternative systems of permanent attachment or temporary attachment to the hair.
In the case of Figure 1, the system of permanent attachment consists of a series of appendages 3, which are formed integrally with the plate 1, projecting in a direction orthogonal to the face lb and to the multiple tresses of hair 2a-2d, substantially like a comb. Introduced, in use, within the spaces comprised between the appendages 3 are locks of the hair, which are then anchored to the plate 1 by means of heating, softening, and plastic deformation of said appendages 3 against the face lb. Following upon subsequent cooling and hardening of the appendages 3 thus deformed, the locks of the hair will be firmly anchored to the plate 1.
In the case of Figure 2, where parts that are identical or similar to the ones already described previously are designated by the same reference numbers, the system of permanent attachment of the plate 1 to the hair is constituted by a side flange 4 of the plate 1, which can be folded by hot deformation from the open position represented in the figures, where it extends substantially orthogonal to the face lb, to a closing position for gripping a lock of hair against said face lb.
In the case of Figure 3, the flange 4 is replaced by a pair of opposed side flanges 5, which can also be folded by hot deformation from the open position represented in the figures to a closed position for gripping the lock of hair against the face lb of the plate 1.
The anchorage systems described so far, which may obviously differ from the constructional standpoint, provide, as has been said, a permanent anchorage of the extension to the hair of the user, in the sense that its possible subsequent removal requires application of a solvent or the like for detachment of the plate 1 from the lock to which the extension has been applied.
The variants represented in Figures 4 and 5 show, instead, two examples of temporary application; i.e., the hair extensions are immediately removable without requiring particular operations on the plate 1. In the case of Figure 4, the plate 1, to the dorsal face la of which the linear layered tresses of hair 2a, 2b, 2c, 2d are anchored with the same modalities described previously, has an elongated shape, and one or more combs 6 for engagement to corresponding locks of hair are mechanically fixed to its front face lb, for example by riveting or else gluing .
In the case of Figure 5, the plate 1, which also has a general elongated conformation, is provided on its front face lb with a biadhesive tape 7 for application, that is by adhesion, to the hair.
In both cases, the voluminizing effect that derives from the disposition of the tresses of hair 2a, 2b, 2c 2d projecting in a direction orthogonal to the plane of the plate 1 is, in the condition applied, altogether identical to what has been described with reference to the embodiments of Figures 1 to 3.
The same effect is obtained with the further example of temporary application of the plate 1 represented in Figures 6 and 7, where it is provided with a flexible tab 8, conveniently constituted by a partially biadhesive strip of plastic material or the like, having a front 8a and a back 8b.
The tab 8 includes three consecutive foldable portions A, B, C, where:
- the first portion A is joined to the face lb of the plate 1 on the back 8b of the tab 8, for example via adhesive;
- the first portion A, the second portion B, and the third portion C are adhesive on the front side 8a of the tab 8 and are coated with a first anti-adhesive layer or sheet 9 that can be removed upon application of the extension;
- the third portion C is adhesive also on the back 8b of the tab 8 and is coated with a second anti- adhesive layer or sheet 10, removable at the end of application of the extension.
For joining to the face lb of the plate 1, the first portion A is conveniently adhesive also on the back 8b of the tab 8, whereas the second portion B is adhesive only on the front 8a.
To apply the plate 1 with the tab 8 to a lock of hair the procedure is according to the sequence of steps illustrated schematically in Figures 8-14.
First of all, the first anti-adhesive layer 9 is removed so as to expose the adhesive portions A, B, C on the front side 8a of the tab 8 (Figure 8) .
Then, the ends of a lock of hair are applied on the second adhesive portion B (Figure 9) in a distributed way, and the second adhesive portion B is closed against the first adhesive portion A by exerting a slight pressure (Figure 10).
Next, the second adhesive portion B is separated and re-opened with respect to the first adhesive portion A (Figure 11), and the third adhesive portion C is folded and made to adhere, by exerting pressure, against the second adhesive portion B (Figure 12) .
Then the second anti-adhesive layer 10 is removed, so as to expose the third adhesive portion C on the back 8b of the tab 8 (Figure 13), and finally the first adhesive portion A and the third adhesive portion C are folded and made to adhere by pressure against one another (Figure 14).
Of course, the details of construction and the embodiments may vary widely with respect to what has been described and illustrated herein, without thereby departing from the scope of the present invention as defined in the ensuing claims.

Claims

1. A hair extension formed by a lock of hair (2) rendered fixed with respect to a body made of thermoplastic material (1), which is provided for anchorage thereof to hair, said hair extension being characterized in that said body made of thermoplastic material consists of a substantially rigid plate (1), extending from a first face (la) of which is at least one linear layered tress of hair (2a, 2b, 2c, 2d) , the ends of which are fixed head-on to said first face (la), orthogonal to the plane thereof, and the second face (lb) of which, opposite to the first face (la), carries means for permanent attachment (3, 4, 5) or means for temporary attachment (6, 7, 8) to the hair.
2. The hair extension according to Claim 1, characterized in that fixed to said first face (la) of the plate (1), starting from its top (lc), are multiple linear tresses of hair (2a, 2b, 2c, 2d) set on top of one another and at a slight distance from one another.
3. The hair extension according to Claim 1 or Claim 2, characterized in that said means for permanent attachment comprise a series of tooth-shaped appendages (3), which are formed integrally with said plate (1) and project in a direction orthogonal to said at least one linear layered tress of hair (2a, 2b, 2c, 2d) , said tooth-shaped appendages (3) being foldable by means of hot deformation against said second face (lb).
4. The hair extension according to Claim 1 or Claim 2, characterized in that said means for permanent attachment comprise a side flange (4), which is formed integrally with said plate (1) and projects in a direction orthogonal to said at least one linear layered tress of hair (2a, 2b, 2c, 2d) , said side flange (4) being foldable against said second face (lb) by means of hot deformation.
5. The hair extension according to Claim 1 or Claim 2, characterized in that said means for permanent attachment comprise two side flanges (5) , which are formed integrally with said plate (1) and project in a direction orthogonal to said at least one linear layered tress of hair (2a, 2b, 2c, 2d) , said two side flanges (5) being foldable against said second face (lb) by means of hot deformation.
6. The hair extension according to Claim 1 or
Claim 2, characterized in that said means for temporary attachment comprise at least one comb (6) fixed mechanically to said second face (lb) of the plate (1).
7. The hair extension according to Claim 1 or Claim 2, characterized in that said means for temporary attachment comprise a biadhesive tape (7) applied to said second face (lb) of the plate (1).
8. The hair extension according to any one of the preceding claims, characterized in that the ends of the hair of said at least one linear layered tress (2a, 2b, 2c, 2d) are fixed head-on to said first face (la) of the plate (1) by means of thermoadhesion .
9. The hair extension according to Claim 1 or Claim 2, characterized in that said means for temporary attachment comprise a flexible tab (8) having a front side (8a) and a back (8b) and include three consecutive foldable portions (A, B, C) , wherein:
- the first portion (A) is joined to the second face (lb) of said plate (1) on the back (8b) of the tab (8); - the first portion (A) , the second portion (B) , and the third portion (C) are adhesive on the front side (8a) of the tab (8) and are coated with a first removable anti-adhesive layer (9); and
- the third portion (C) is adhesive also on the back (8b) of the tab (8) and is coated with a second removable anti-adhesive layer (10).
10. The extension according to Claim 9, characterized in that to enable joining said plate (1) to the second face (lb) said first portion (A) is adhesive on the back (8b) of the tab (8) .
11. A method for applying the hair extension according to Claim 9 or Claim 10 to hair, characterized in that it comprises the following steps:
- removing said first anti-adhesive layer (9) to expose said adhesive portions (A, B, C) on the front side (8a) of the tab (8) ;
- applying the end of a lock of hair in a distributed way on said second adhesive portion (B) ;
- closing said second adhesive portion (B) against said first adhesive portion (A) ;
- reopening said second adhesive portion (B) away from said first adhesive portion (A) ;
- closing said third adhesive portion (C) and causing it to adhere by exerting pressure against said second adhesive portion (B) ;
- removing said second anti-adhesive layer (10) and exposing said third adhesive portion (C) on the back (8b) of the tab (8) ; and
- closing said first adhesive portion (A) and said third adhesive portion (C) and causing them to adhere against one another by exerting pressure.
PCT/IB2011/054362 2010-10-05 2011-10-04 Hair extension WO2012046188A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11781622.3A EP2624714B1 (en) 2010-10-05 2011-10-04 Hair extension
US13/825,103 US20130180540A1 (en) 2010-10-05 2011-10-04 Hair extension

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO2010A000810 2010-10-05
ITTO2010A000810A IT1402213B1 (en) 2010-10-05 2010-10-05 EXTENSION FOR HAIR

Publications (1)

Publication Number Publication Date
WO2012046188A1 true WO2012046188A1 (en) 2012-04-12

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ID=43738355

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2011/054362 WO2012046188A1 (en) 2010-10-05 2011-10-04 Hair extension

Country Status (4)

Country Link
US (1) US20130180540A1 (en)
EP (1) EP2624714B1 (en)
IT (1) IT1402213B1 (en)
WO (1) WO2012046188A1 (en)

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US7533676B2 (en) * 2005-07-11 2009-05-19 Aderans Holdings Co., Ltd. Do-it yourself removable/reusable non-chemical highlights and hair extensions
US20090120451A1 (en) * 2006-09-23 2009-05-14 Lisa Kenna Hair extensions and method of attachment
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013086546A1 (en) * 2011-12-12 2013-06-20 Hairdreams Haarhandels Gmbh Replacement hair strand having a hair-joining element
US20150007840A1 (en) * 2011-12-12 2015-01-08 Hairdreams Haarhandels Gmbh Replacement hair strand having a hair-joining element
AU2012350380B2 (en) * 2011-12-12 2015-02-05 Hairdreams Haarhandels Gmbh Replacement hair strand having a hair-joining element
IT201700034983A1 (en) * 2017-03-30 2018-09-30 Thomas David Gold EXTENSIONS FOR HAIR AND APPLICATION METHOD
WO2018178807A1 (en) * 2017-03-30 2018-10-04 Gold Thomas David Hair extension and application method

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IT1402213B1 (en) 2013-08-28
ITTO20100810A1 (en) 2012-04-06
EP2624714A1 (en) 2013-08-14
EP2624714B1 (en) 2014-12-03
US20130180540A1 (en) 2013-07-18

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