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WO2006106412A1 - Procede servant a assembler une pluralite de prolongation de cheveux et ensemble associe - Google Patents

Procede servant a assembler une pluralite de prolongation de cheveux et ensemble associe Download PDF

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Publication number
WO2006106412A1
WO2006106412A1 PCT/IB2006/000789 IB2006000789W WO2006106412A1 WO 2006106412 A1 WO2006106412 A1 WO 2006106412A1 IB 2006000789 W IB2006000789 W IB 2006000789W WO 2006106412 A1 WO2006106412 A1 WO 2006106412A1
Authority
WO
WIPO (PCT)
Prior art keywords
hair
extensions
sections
hair extensions
duct
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/IB2006/000789
Other languages
English (en)
Inventor
David Anthony 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.)
Indorata Servicos e Gestao Ltda
Original Assignee
Indorata Servicos e Gestao Ltda
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 Indorata Servicos e Gestao Ltda filed Critical Indorata Servicos e Gestao Ltda
Priority to CA002603442A priority Critical patent/CA2603442A1/fr
Priority to EP06755834A priority patent/EP1865798A1/fr
Publication of WO2006106412A1 publication Critical patent/WO2006106412A1/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
    • A41G5/0053—Fastening thereof
    • A41G5/008—Fastening thereof by adhesives
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B29C45/14385—Coating a portion of a bundle of inserts, e.g. making brushes

Definitions

  • the present invention relates to the field of the hair extensions, and in particular it is referred to a method for the assembling of a plurality of hair extensions, and to a related assembly obtained through such a method.
  • the hair extensions represents an effective instrument for increasing the volume and/or the length of hairs.
  • they consist of a plurality of hairs, gathered together in a lock and apt to be applied for receiving hairs of a user by means of a connection system.
  • the latter may comprise, for instance, a connection element, provided at one end of said lock, being activated for securing the lock to the receiving hairs .
  • connection element is represented by an element made of a thermoplastic material, that is heated in the instant of the application, or anyway liquefied e.g. by ultrasounds, so as to be adhered to the receiving head hair.
  • the fast cooling down of the thermoplastic material causes the securing of the extension.
  • Thermoplastic materials suitable to this purpose are polymeric resins melting at low temperatures, e.g. 120 0 C.
  • Useful materials are polyamide-, polyester- or even polyurethane-based, e.g. nylon.
  • the shape of the element is selected for minimizing the volume of the,- obtained connection, the commonly used shapes comprise a., wallet or booklet shape, a rectangular plate with a limited thickness, a curved plate, a small barrel and so on. Embodiments of such shapes are disclosed in US-6, 820, 625- Bl; EP-I, 433, 395-A2; WO-04/023910-Al; US-5, 107, 867-A; DE 196 26 107 C.
  • the extensions may be packed in a single piece or in a certain number of them.
  • this last embodiment of assembly useful by virtue of a lot of practical reasons, can lead to a mutual intertwining of the extensions, to the formation of knots and so on, events which may even jeopardize the application of the extensions themselves, besides representing a considerable loss of time.
  • Such a problem is particularly felt in case of curled extensions which are naturally inclined to interfere one to the other.
  • connection element at the proximal end of the hair extension itself is formed.
  • the connection element might be a system for preventing the intertwining, it considerably increases the manufacturing times .
  • a hair extension assembly comprising a plurality of hair extensions placed side by side and parallel to each other, each comprising a respective connection element formed with a thermoplastic material by injection moulding, having a linking filiform member linking all the connection elements and integrally formed with them.
  • connection elements are already joined together and spaced with the respective extensions from the instant of the connection element formation, ready to be separated and applied or to be applied in a single operation.
  • Figure 1 shows a partially sectioned perspective view of a plurality of hair extensions and a mould for injection moulding
  • Figure 2 shows a perspective view of a hair extension assembly according to a first embodiment of the present invention
  • Figure 3 shows a top view of the assembly of Figure 2;
  • Figure 4 shows a perspective view of a hair extension assembly according to a further embodiment of the present invention.
  • FIG. 1 shows a top view of the assembly of Figure 4.
  • a plurality of hair extension is generally indicated by 1.
  • Each extension, indicated by 2 comprises a plurality of hairs joined together by a connection element 4, made of a thermoplastic material, i.e. a thermoplastic resin suitable to be shaped by injection moulding.
  • the extension 2 comprises, at one proximal end 5 thereof, i.e. intended to be applied at the head of the final user, a proximal section 6 of the extension on which said connection element 4 is formed.
  • the hair extensions 2 of the present embodiment are of the kind intended for the making of an "Afro" hairstyle, i.e. characterized by very dense curls and by a large volume.
  • Each extension 2 comprises a plurality of hairs twined according to a rope-like pattern, i.e. helicoidally around a central line.
  • the rope-like pattern is in turn twined according to a helicoidal line, maintained in this .position by suitable permanent fixing materials, of the kind employed for the hairstyling.
  • Said plurality of hair extensions 2 are substantially placed on a plane, substantially parallel to each other, with said proximal section placed according to a substantially straight configuration.
  • Such a configuration may be obtained by applying a traction between the proximal end 5 and the body of each extension 2, for instance by enclosing the latter between two plates (not shown) , possibly provided with channels for housing each single extension 2, and by securing said end 5 by pliers members (not shown) .
  • the proximal sections 6 are hence prepared for receiving a corresponding connection element 4.
  • said proximal sections 6 of said hair extensions 2 are placed in a mould 7 for injection moulding, shown in figure 1 by dashed lines.
  • Said mould 7 comprises a plurality of chambers 8 at each of said sections 6, each chamber being apt to shape a respective connection element 4.
  • the shape of the chamber 8 determines the shape assumed by the connection element 4.
  • the embodiments of Figures 1 to 3 has connection elements 4, and hence chambers 8 inside the mould 7, having a barrel-like shape, but any other shape is possible, for instance a booklet-like shape, a curved-pad shape, a plate shape, a circular tablet shape and so on.
  • said chambers 8 are linked by a continuous duct 9, filiform and straight.
  • thermoplastic material is injected inside said mould 7 at each chamber 8, according to a direction substantially parallel to said proximal sections 6, defined by respective injection ducts 10.
  • said continuous duct 9 may be fed through a respective auxiliary injection duct 11, coaxial with the continuous duct 9.
  • thermoplastic material while it is injected inside the chamber 8, flows parallel to the hairs, i.e. to said proximal section 6, ' hence without causing a displacement of the section 6 itself.
  • the thermoplastic material then flows through the continuous duct 9 , thereby joining each extension 2 and each connection element 4.
  • the feeding of the continuous duct 9 through the auxiliary injection duct 11 may possibly ensure the stable joining of all the connection elements 4.
  • the continuous duct 9, at adjacent positions and on both the sides of the chambers 8, has narrowings (not shown) determining a reduced section of the continuous duct 9.
  • connection element 4 is joined by a transversal rod 3 which, due to said narrowings, is provided with breaking points 12 allowing an easy- separation of each extension 2 from the others.
  • the transversal rod 3 constitutes a filiform joining member, joining all the connection elements and integrally formed with them.
  • connection elements 4 have an elongated shape, having a substantially beam-shaped cross section, so that such elements 4 are substantially divided in two portions 4' and 4", apt to folded on the other, so as to trap between them a portion of receiving hairs .
  • the transversal rod 3 is provided at the extrados of each connection element 4.
  • the breaking points 12 are located at the sides of said extrados .
  • this embodiment may be substantially obtained by a mould 7 corresponding to that disclosed with reference to the first embodiment, wherein the chambers 8 have a shape matching with that which is desired.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Brushes (AREA)
  • Hair Curling (AREA)

Abstract

Procédé d'assemblage consistant à mettre en application une pluralité (1) de prolongations de cheveux (2) pratiquement parallèles les unes aux autres dans un plan, une section (6), au niveau de ses extrémités (5) proximales respectives, étant placée sur une configuration sensiblement rectiligne afin de recevoir un élément d'accouplement correspondant (4), à placer les sections (6) desdites prolongations (2) dans un moule (7) de moulage par injection, comprenant une chambre (8) au niveau desdites sections (6) appropriées pour former un élément d'accouplement respectif (4), ainsi qu'un conduit continu (9) reliant lesdites chambres (8), et à injecter un matériau thermoplastique dans ledit moule (8) dans chaque chambre (7) et dans un sens parallèle auxdites sections (6) afin d'empêcher l'entrelacement des prolongations de cet ensemble.
PCT/IB2006/000789 2005-04-05 2006-04-04 Procede servant a assembler une pluralite de prolongation de cheveux et ensemble associe Ceased WO2006106412A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA002603442A CA2603442A1 (fr) 2005-04-05 2006-04-04 Procede servant a assembler une pluralite de prolongation de cheveux et ensemble associe
EP06755834A EP1865798A1 (fr) 2005-04-05 2006-04-04 Procede servant a assembler une pluralite de prolongation de cheveux et ensemble associe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRM2005A000158 2005-04-05
ITRM20050158 ITRM20050158A1 (it) 2005-04-05 2005-04-05 Metodo per il confezionamento di una pluralita' di estensioni di capigliatura e relativo confezionamento di estensioni di capigliatura.

Publications (1)

Publication Number Publication Date
WO2006106412A1 true WO2006106412A1 (fr) 2006-10-12

Family

ID=36808857

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/000789 Ceased WO2006106412A1 (fr) 2005-04-05 2006-04-04 Procede servant a assembler une pluralite de prolongation de cheveux et ensemble associe

Country Status (4)

Country Link
EP (1) EP1865798A1 (fr)
CA (1) CA2603442A1 (fr)
IT (1) ITRM20050158A1 (fr)
WO (1) WO2006106412A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008071505A2 (fr) 2006-12-13 2008-06-19 Sylvia Croes-Stoffer Elément d'extension de cheveux, procédé d'installation de celui-ci et élément de retenue
WO2011036654A2 (fr) 2009-09-28 2011-03-31 Great Lengths S.R.L. Extension capillaire et procédé d'épaississement associé

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5868145A (en) * 1997-05-19 1999-02-09 Spann; Carolyn H. Hair extension and thickening process
WO2004023910A1 (fr) * 2002-09-16 2004-03-25 Indorata Servicos E Gestao Lda Procede et dispositif permettant d'augmenter le volume des cheveux
EP1411789A1 (fr) * 2001-06-07 2004-04-28 Indorata-Servicos E Gestao LDA Procede et systeme pour augmenter le volume des cheveux
WO2004043182A1 (fr) * 2002-11-12 2004-05-27 Euro Hair Fashion B.V. Rallonge de cheveux reutilisable

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5868145A (en) * 1997-05-19 1999-02-09 Spann; Carolyn H. Hair extension and thickening process
EP1411789A1 (fr) * 2001-06-07 2004-04-28 Indorata-Servicos E Gestao LDA Procede et systeme pour augmenter le volume des cheveux
WO2004023910A1 (fr) * 2002-09-16 2004-03-25 Indorata Servicos E Gestao Lda Procede et dispositif permettant d'augmenter le volume des cheveux
WO2004043182A1 (fr) * 2002-11-12 2004-05-27 Euro Hair Fashion B.V. Rallonge de cheveux reutilisable

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008071505A2 (fr) 2006-12-13 2008-06-19 Sylvia Croes-Stoffer Elément d'extension de cheveux, procédé d'installation de celui-ci et élément de retenue
WO2008071505A3 (fr) * 2006-12-13 2008-08-21 Sylvia Croes-Stoffer Elément d'extension de cheveux, procédé d'installation de celui-ci et élément de retenue
US8256435B2 (en) 2006-12-13 2012-09-04 Silvia Croes-Stoffer Hair extension element, method for installing it and holding member
WO2011036654A2 (fr) 2009-09-28 2011-03-31 Great Lengths S.R.L. Extension capillaire et procédé d'épaississement associé

Also Published As

Publication number Publication date
CA2603442A1 (fr) 2006-10-12
EP1865798A1 (fr) 2007-12-19
ITRM20050158A1 (it) 2006-10-06

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