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WO2012146986A1 - Extension de cheveux - Google Patents

Extension de cheveux Download PDF

Info

Publication number
WO2012146986A1
WO2012146986A1 PCT/IB2012/050370 IB2012050370W WO2012146986A1 WO 2012146986 A1 WO2012146986 A1 WO 2012146986A1 IB 2012050370 W IB2012050370 W IB 2012050370W WO 2012146986 A1 WO2012146986 A1 WO 2012146986A1
Authority
WO
WIPO (PCT)
Prior art keywords
adhesive
hair
fixing member
hairs
tapes
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.)
Ceased
Application number
PCT/IB2012/050370
Other languages
English (en)
Inventor
David A. Gold
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA2816549A priority Critical patent/CA2816549A1/fr
Priority to EP12706684.3A priority patent/EP2701664A1/fr
Priority to US13/885,664 priority patent/US20130298925A1/en
Publication of WO2012146986A1 publication Critical patent/WO2012146986A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • A41G5/0053—Fastening thereof
    • A41G5/008—Fastening thereof by adhesives

Definitions

  • the present invention is related to a permanent or non-permanent hair extension, of the kind particularly used for the thickening of hair. It can be embodied either by a plurality of individual lock-like extension, i.e. a hair extension assembly for thickening hair, or it can be substantially shaped as a weft or layer, known as weft extension.
  • hair extension it is intended a lock of hairs composed by a plurality of single human or artificial hairs, suitable to be handled as a single lengthening unit and to be applied to receiving hairs thank to a fixing element.
  • the weft extension has a linear fixing element from which natural or artificial hairs perpendicularly branch, arranged according to a flat configuration having a uniform density.
  • Another aspect contributing to the approval increasing for this kind of treatments is the application speed.
  • the known systems provide a step wherein the hair extensions are fixed to user's hair.
  • the hair extension may be substantially sewn, bound or knotted to user's hair, but this thickening way requires a very long time to be operated, considering that a manual and precise handling is requested for each single hair extension.
  • means for fixing hair extensions to hair are known, providing the use of auxiliary member like fasteners, combs, clips and so on. By these members, also large size hair extensions may be associated to user's receiving hair, but with the serious drawback that the fixing remains visible and perceptible to the user himself, receiving a discomfort feeling there through.
  • thermocurable adhesive In US 4,982,748 (Trimarchi) the use of a thermocurable adhesive is provided, therefore requiring to be heated after a cold state application.
  • the cured adhesive realizes a sort of ball or skirt which is clearly felt by the touch, decreasing the comfort level of the methodology, making the fixing element visible and thwarting the desired aesthetic improvement of the thickening.
  • the cured adhesive realizes a sort of ball or skirt which is clearly felt by the touch, decreasing the comfort level of the methodology, making the fixing element visible and thwarting the desired aesthetic improvement of the thickening.
  • a method and a hair extension assembly are disclosed, to increase the mass of hair by the bulk application of several hair extensions, using an adhesive tape to correctly position the related fixing elements and then to simultaneously activate them.
  • a permanent connection it is understood a stable connection, able to resist unaltered for days and weeks, suitable to undergo washing and hair styling.
  • the permanent connection is then eliminated by using suitable non aggressive and hypo allergenic solvents.
  • connection element is then positioned in contact with the hair skin, hidden among the hairs of the receiving hair which are advantageously separated and combed.
  • the fixing element is then applied to the receiving hairs, a many systems are known for this purpose, using sewing, adhesive, combs, pins and so on.
  • the latter can be reduced at a minimum thickness e.g. by using an adhesive layer, but the sewn and or woven fixing element should anyway have a weft and a warp suitable to safely keep the hairs secured, in turn inevitably determining a thickness pressed against the hair skin, causing a discomfort feeling.
  • the technical problem underlying the present invention is to provide a method for thickening hair, a separator device, a thickening assembly with hair extension and an applicator device apt to be used in said method, allowing to obviate to the drawbacks mentioned with reference to the prior art, generally improving the simultaneous application of hair extensions.
  • the linear fixing member is formed by two tapes adhered to each other so as to obtain a fixing strip, with hairs embedded between the two flexible tapes due to a fixing adhesive layer arranged therebetween;
  • the tapes are flexible and made of thermoplastic material
  • the tapes are provided with a plurality of passing through holes all over the surface thereof;
  • the linear fixing member has at least one uncovered adhesive face provided with a pressure-activated and non-permanent further adhesive layer;
  • said exposed adhesive face embodies the support surface for a plurality of peelable films, each separated from others by a further non-permanent adhesive layer, the surfaces thereof being apt to be uncovered have, with respect to said layer, an adhesiveness greater than the rear surface of each film, so that said surfaces apt to be uncovered be adhesive surfaces.
  • Such a further adhesive layer can be applied simply by pressing it.
  • such a glue can also be of the thermal curing kind, to possibly obtain a more stable and lasting connection through a heat transfer subsequent to the hair extension application.
  • the linear fixing member has a further adhesive layer on both the opposite sides thereof; the adhesive layer being simply of the pressure-activated kind on one of these sides, while on the other side the adhesive is of the thermosetting kind, hence intended to used with a heat transfer subsequent to the extension application onto the receiving hair.
  • the main advantage of the hair extension according to the present invention lies in allowing either a permanent application, carried out by thermowelding of the fixing member, or a non-permanent application, carried out by the outer adhesive layer, which can be identically repeated as many times as the number of available peelable films, then once more when the flexible tapes are directly connected to the receiving hair.
  • thermosetting adhesive layers When using a thermosetting adhesive layers, non permanent applications are in turn allowed, but obtained through a stable and lasting connection due to a heat transfer subsequent to the extension application onto the receiving hair, as well as a permanent fixing through a connection obtained by said thermoplastic material.
  • Coating opposite sides of the fixing member with different glues pressure activated and thermosetting, allows to achieve with the same extension three different connections: 1 ) non permanent; 2) non permanent and stable after the thermal curing of the glue; and 3) permanent.
  • the tapes of the fixing member are formed by a network of woven threads, said holes being determined by the network meshes.
  • Figure 1 shows a perspective and exploded view of a first embodiment of the invention of a hair extension according to the present invention
  • Figure 2 shows a side view of the hair extension of Figure 1 ;
  • Figure 2A shows a detail of the hair extension of Figure 1 ;
  • Figure 3 shows an overall perspective view of the hair extension of Figure 1 ;
  • Figure 4 shows a side and longitudinal sectional view of the hair extension of Figure 1 ;
  • Figure 4A shows a detail f the extension of Figure 1 , magnified in Figure 4.
  • Figures 5A, 5B and 5C illustrate the application procedure of the hair extension of Figure 1 .
  • a hair extension of the weft or layer shaped kind, is indicate as 1 as a whole.
  • the fixing member 2 is formed by two overlapped tapes 4, 5, provided with inner faces facing to each other, adhered to carry out a fixing strip.
  • a first adhesive layer 6 is provided, which can be the result of the justaxposition of respective adhesive layer on each of the adhered faces of the tapes 4, 5.
  • Such a justaxposition is therefore the result of a manufacturing step of the hair extension 1 .
  • both the tapes can be provided with hairs arranged with the proximal ends 7 thereof aligned and uniformly distributed on the respective adhesive face of the tape.
  • the extension 1 is hence the result of the coupling of two hemi-extensions obtained on each tape 4, 5.
  • proximal ends 7 of the hairs may be initially applied onto only one of said tapes, the other being simply overlapped and pressed against the first one.
  • the tapes are formed by strips of thick and flexible material, provided with a plurality of passing through holes on their whole surface, i.e. with a dense foramination extended on the whole surface of each tape.
  • the tapes 4, 5 of the fixing member 2 are formed by a network, composed by intertwined or anyway woven threads, and the holes being therefore constituted by the network meshes.
  • Such tapes are pressed against each other, so that the hairs 3 and the adhesive material of the adhesive layer are at least partially penetrated inside the network meshes, thus minimizing the overall thicknedd and increasing the strenght by which the hairs are kept between the two tapes.
  • proximal ends 7 reach the upper edge of the tapes 4, 5, an arrangement obtainable punching and crushing the tapes and the relative hairs during the manufacturing step.
  • the material constituting the tapes is transparent and it is a thermoplastic material.
  • thermoplastic material is a substance apt to be melted at a temperature higher than the room temperature, assuming the properties of a plastic fluid, and then cooling and hence solidifying at room temperature.
  • Substances with similar properties can be melted through the direct application of mechanical energy, as high frequency vibrations, namely ultrasound vibrations.
  • the intermolecular vibration and the corresponding friction produces an amount of heat required to make the molecules plastically flowing.
  • the heat generation immediately stops when the vibrations are stopped, causing a substantially immediate solidification.
  • thermoplastic material examples include polyesters, polyamides, polyurethanes and the like.
  • the threads constituting the network can be made in polyester, in Elastam (a polyurethane fibre, Lycra ® ).
  • Elastam a polyurethane fibre, Lycra ®
  • An embodiment understood only for a non permanent application may comprise also very fine cotton threads.
  • the network can have an overall exemplarily thickness of 150 ⁇ , however preferably not beyond 200 ⁇ .
  • the adhesive material is a very strong adhesive agent, e.g. an acrylic based adhesive agent.
  • the fixing member 2 has an adhesive side, on one of uncovered faces of tapes 4 or 5.
  • Such an adhesive side has a further adhesive layer of adhesive material, of the non permanent and pressure activated kind, indicated as 8.
  • the purpose of the further adhesive layer 8 is to connect the extension 1 to receiving hairs in a substantially removable way, being the adhesive material non permanent. It allows the re-positioning of the fixing member 3 for several times before losing its adhesive force.
  • the adhesive force linking said further layer 8 and its support surface i.e. the uncovered face of one of the two tapes 4 or 5
  • the connecting force established between the further layer 8 and the receiving hairs and/or the scalp is higher than the connecting force established between the further layer 8 and the receiving hairs and/or the scalp.
  • said uncovered adhesive face provides the supporting surface not only for said single further adhesive layer 8, but also for a plurality of peeling films 9, each tape-shaped with the same size of the fixing member.
  • These films can be peeled one-by-one, and they are separated by a respective adhesive layer, always indicated as 8, with adhesive performances corresponding to those previously explained: hence they are non permanent and pressure-operated.
  • the adhesion force established between the adhesive layer 8 on each film 9 apt to be exposed is higher than the adhesive force established between the adhesive layer and the film back, i.e. the back side of the film covering said surface apt to be exposed.
  • the surface apt to be exposed has, with respect to the adhesive layer 8, an adhesiveness higher than the back of the film itself, so that said surfaces apt to be exposed be adhesive surfaces, i.e. so that the peeling of a film does not involve the removal of the adhesive material from the exposed surface of the underlying film 9.
  • the outer film i.e. the external film onto the others, works as a protection strip, not having adhesive material onto its exposed surface.
  • one of said adhesive layers 8, e.g. that directly applied onto the linear fixing member 2 and uncoverable by removing all said films 9, comprises a thermosetting glue, i.e. curable by providing the fixing member 2 with heat after the extension has been positioned.
  • adhesive layers 8 and respective films are provided, the glue of said adhesive layer being of the simplest kind, pressure operated for temporary applications.
  • the glue forming these further adhesive layers can be thermosetting, to be used as previously explained.
  • the receiving hairs are raised so as to bare a linear segment of hair skin having a length at least equal to that of the linear fixing member 2 ( Figure 5A).
  • the thickness of the fixing member whose transversal size is obviously magnified in the drawings, is uniform and unperceivable to the touch.
  • thermosetting to be used therefore for a connection similar to the preceding ones, but stable and long-lasting.
  • the same above described hair extension can be made permanent simply removing all the films 9, positioning the linear fixing member using the inner adhesive layer, i.e. that directly adhered onto the tapes 4, 5, and then applying, on the linear fixing member, an adequate pressure and heat so as to temporarily melt the threads in thermoplastic material.
  • Energy in the form of ultrasound frequency vibration may be used instead of heat, e.g. frequencies in the range from 20 to 60 kHz.
  • one or both the pressing members will be linked to a vibrating device, e.g. a piezoelectric member supplied with alternate voltage at a desired frequency, and they will transmit the vibration to the fixing member 2.
  • the vibration supply allow the molecules of the fixing member 2 in thermoplastic material to easily flow among the single hairs of the hair extension and of the receiving hairs, permeating and mixing with them.
  • the applicator device is preferably operated at a constant pressure, not depending upon the thickness of what received between the pliers-like pressing members.
  • the pressure is exerted for a predetermined time, uniformly along the linear fixing member length.
  • the material of the films 9 can be transparent, possibly elastic like that of the previously described tapes 4, 5.
  • the thickness of the films will be kept at the minimum, just to not increase the involved overall thickness.
  • extension herein described can be easily transformed in several individual extensions, each individually applicable according to any of the operations as previously disclosed, either non permanently or permanently.
  • the permanent application of the single extension can be achieved with a plier-like instrument providing the single connection element with pressure and heat and/or mechanical energy through ultrasonic vibrations.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

L'invention concerne une extension (1) de cheveux du type particulièrement utilisé pour épaissir les cheveux, qui comporte un élément (2) de fixation linéaire d'où les cheveux (3) se ramifient perpendiculairement, disposé en une configuration plane. Selon l'invention, l'élément (2) de fixation linéaire est constitué de deux bandes (4, 5) souples collées l'une contre l'autre de façon à former un ruban de fixation, avec les cheveux intégrés entre les deux bandes (4, 5) souples par une couche (6) de fixation adhésive disposée entre les deux. Les bandes (4, 5) souples utilisées sont en un matériau thermoplastique et présentent une pluralité d'orifices de passage traversants sur toute leur surface. L'élément (2) de fixation linéaire de l'invention a au moins une face adhésive non recouverte munie d'une autre couche (8) adhésive non permanente activée par la pression, et les bandes (4, 5) ont été pressées l'une contre l'autre afin que les cheveux (3) et le matériau adhésif de la couche (6) de fixation adhésive soient au moins introduits partiellement dans ledit orifice de passage traversant, avec ladite face adhésive exposée comprenant la surface de support destinée à une pluralité de pellicules (9) pelables, chacune étant séparée des autres par une autre couche (8) adhésive non permanente. La surface pouvant être non recouverte de ladite autre couche (8) adhésive non permanente a un pouvoir d'adhésion qui est supérieur à celui de la surface arrière de chaque pellicule (9), de façon à ce que ladite surface pouvant être non recouverte soit une surface adhésive, ce qui permet à la fois une application permanente, par thermosoudage de l'élément de fixation, et non permanente, obtenue avec la couche adhésive externe. L'application peut donc être répétée de manière identique autant de fois qu'il y a des pellicules pelables disponibles, puis une fois de plus lorsque les bandes souples sont reliées directement aux cheveux récepteurs.
PCT/IB2012/050370 2011-04-29 2012-01-26 Extension de cheveux Ceased WO2012146986A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA2816549A CA2816549A1 (fr) 2011-04-29 2012-01-26 Extension de cheveux
EP12706684.3A EP2701664A1 (fr) 2011-04-29 2012-01-26 Extension de cheveux
US13/885,664 US20130298925A1 (en) 2011-04-29 2012-01-26 Hair extension

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRM2011A000224 2011-04-29
IT000224A ITRM20110224A1 (it) 2011-04-29 2011-04-29 Estensione di capigliatura e relativo metodo di infoltimento

Publications (1)

Publication Number Publication Date
WO2012146986A1 true WO2012146986A1 (fr) 2012-11-01

Family

ID=44554201

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2012/050370 Ceased WO2012146986A1 (fr) 2011-04-29 2012-01-26 Extension de cheveux

Country Status (5)

Country Link
US (1) US20130298925A1 (fr)
EP (1) EP2701664A1 (fr)
CA (1) CA2816549A1 (fr)
IT (1) ITRM20110224A1 (fr)
WO (1) WO2012146986A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600130798A1 (it) * 2016-12-23 2018-06-23 London Look Hair Extensions Ltd Estensione di capigliatura e relativo metodo di infoltimento

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Publication number Priority date Publication date Assignee Title
IT1402213B1 (it) * 2010-10-05 2013-08-28 Biase Di Estensione per capelli
US20150181966A1 (en) * 2013-12-27 2015-07-02 Joshua O. MCCLENDON Hair replacement assembly
EP3095341A1 (fr) 2015-05-19 2016-11-23 Viemme S.r.l. Extension de cheveux
ITUB20153125A1 (it) 2015-08-14 2017-02-14 Viemme Srl Estensione di capigliatura (hair extension) di tipo piano
CN106455733A (zh) * 2016-07-25 2017-02-22 东莞金迅发制品有限公司 一种超薄头发发片
KR101849673B1 (ko) * 2017-06-30 2018-04-19 (주)하이모 붙임머리와 붙임머리 제작방법 및 시술방법
USD929660S1 (en) 2018-12-14 2021-08-31 Alexandra White Hair extension
US11606996B1 (en) * 2020-02-21 2023-03-21 Sarah Clark Magnetic hair extension accessory
WO2021203171A1 (fr) * 2020-04-08 2021-10-14 Sanchez, Peter Procédé de fabrication d'une extension de cheveux et extension de cheveux
US20240225163A1 (en) * 2022-07-13 2024-07-11 Sinevia International Inc. Tape-in hair extension laminate device
US12336580B2 (en) * 2023-10-26 2025-06-24 Junna Zou Hair weft and preparation process thereof
US12484647B2 (en) * 2024-01-11 2025-12-02 Wellna Co., Ltd Hair weft and preparation process thereof
US12433361B2 (en) * 2024-01-11 2025-10-07 Junna Zou Hair weft and preparation process thereof

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US4934387A (en) 1989-05-05 1990-06-19 Salvatore Megna Hair extension process
US4982748A (en) 1988-04-04 1991-01-08 Trimarchi Adriana L Method for lengthening normal hair
US5107867A (en) 1991-08-29 1992-04-28 Barrington Mark C Process for extending human hair
ZA935214B (en) 1993-07-19 1993-12-02 David Anthony Gold Method of lengthening and thickening human hair
EP0919149A1 (fr) * 1997-05-14 1999-06-02 Aderans Co., Ltd. Element de fixation de perruque, son procede de fixation a la base de la perruque et procede de fixation de la perruque
DE19626107C2 (de) 1996-03-18 2000-04-13 David Anthony Gold Haarbüschel zur Verlängerung und Verstärkung oder Verdichtung des menschlichen Haares
JP3152205B2 (ja) 1998-06-10 2001-04-03 日本電気株式会社 論理シミュレーション装置及びその方法並びにその制御プログラムを記録した記録媒体
WO2002098250A1 (fr) 2001-06-07 2002-12-12 Indorata-Servicos E Gestao Lda Procede et systeme pour augmenter le volume des cheveux
WO2003061416A1 (fr) 2002-01-23 2003-07-31 Indorata - Serviços E Gestão, Lda Applicateur d'extensions de cheveux
WO2004023910A1 (fr) 2002-09-16 2004-03-25 Indorata Servicos E Gestao Lda Procede et dispositif permettant d'augmenter le volume des cheveux
DE202005010845U1 (de) 2005-07-09 2005-10-13 Arcos Die Haarprofis Handels-Gmbh Vorrichtung zur Haarergänzung
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US20060169296A1 (en) 2005-01-26 2006-08-03 Gill Christopher L Hair extension kit
US20090032041A1 (en) 2007-08-03 2009-02-05 Bege Privatstiftung Hair Weft for Hair Extension and Thickening
US20090120451A1 (en) 2006-09-23 2009-05-14 Lisa Kenna Hair extensions and method of attachment
WO2011036654A2 (fr) 2009-09-28 2011-03-31 Great Lengths S.R.L. Extension capillaire et procédé d'épaississement associé

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Publication number Priority date Publication date Assignee Title
US4982748A (en) 1988-04-04 1991-01-08 Trimarchi Adriana L Method for lengthening normal hair
US4934387A (en) 1989-05-05 1990-06-19 Salvatore Megna Hair extension process
US5107867A (en) 1991-08-29 1992-04-28 Barrington Mark C Process for extending human hair
ZA935214B (en) 1993-07-19 1993-12-02 David Anthony Gold Method of lengthening and thickening human hair
DE19626107C2 (de) 1996-03-18 2000-04-13 David Anthony Gold Haarbüschel zur Verlängerung und Verstärkung oder Verdichtung des menschlichen Haares
EP0919149A1 (fr) * 1997-05-14 1999-06-02 Aderans Co., Ltd. Element de fixation de perruque, son procede de fixation a la base de la perruque et procede de fixation de la perruque
JP3152205B2 (ja) 1998-06-10 2001-04-03 日本電気株式会社 論理シミュレーション装置及びその方法並びにその制御プログラムを記録した記録媒体
WO2002098250A1 (fr) 2001-06-07 2002-12-12 Indorata-Servicos E Gestao Lda Procede et systeme pour augmenter le volume des cheveux
WO2003061416A1 (fr) 2002-01-23 2003-07-31 Indorata - Serviços E Gestão, Lda Applicateur d'extensions de cheveux
WO2004023910A1 (fr) 2002-09-16 2004-03-25 Indorata Servicos E Gestao Lda Procede et dispositif permettant d'augmenter le volume des cheveux
JP2005336681A (ja) * 2004-05-31 2005-12-08 Nitta Ind Corp カツラ固定用粘着剤およびカツラ固定用粘着テープ
US20060169296A1 (en) 2005-01-26 2006-08-03 Gill Christopher L Hair extension kit
DE202005010845U1 (de) 2005-07-09 2005-10-13 Arcos Die Haarprofis Handels-Gmbh Vorrichtung zur Haarergänzung
US20090120451A1 (en) 2006-09-23 2009-05-14 Lisa Kenna Hair extensions and method of attachment
US20090032041A1 (en) 2007-08-03 2009-02-05 Bege Privatstiftung Hair Weft for Hair Extension and Thickening
WO2011036654A2 (fr) 2009-09-28 2011-03-31 Great Lengths S.R.L. Extension capillaire et procédé d'épaississement associé

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600130798A1 (it) * 2016-12-23 2018-06-23 London Look Hair Extensions Ltd Estensione di capigliatura e relativo metodo di infoltimento

Also Published As

Publication number Publication date
CA2816549A1 (fr) 2012-11-01
EP2701664A1 (fr) 2014-03-05
ITRM20110224A1 (it) 2012-10-30
US20130298925A1 (en) 2013-11-14

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