EP2745728B1 - Dispositif de lissage des cheveux - Google Patents

Dispositif de lissage des cheveux Download PDF

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Publication number
EP2745728B1
EP2745728B1 EP13198048.4A EP13198048A EP2745728B1 EP 2745728 B1 EP2745728 B1 EP 2745728B1 EP 13198048 A EP13198048 A EP 13198048A EP 2745728 B1 EP2745728 B1 EP 2745728B1
Authority
EP
European Patent Office
Prior art keywords
hair
plate
hair straightener
smoothing
arm
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.)
Active
Application number
EP13198048.4A
Other languages
German (de)
English (en)
Other versions
EP2745728A1 (fr
Inventor
Berthold Altmann
Daniela Blischke
Thomas Dr. Copitzky
Christian Dr. Hafer
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2745728A1 publication Critical patent/EP2745728A1/fr
Application granted granted Critical
Publication of EP2745728B1 publication Critical patent/EP2745728B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D1/28—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for controlling or indicating the temperature
    • 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
    • A45D2/001—Hair straightening appliances

Definitions

  • the present invention relates to a hair straightener.
  • Conventional hair straighteners for straightening hair comprise two articulated arms, on which a first or second smoothing plate is arranged. Usually, at least one of the two smoothing plates can be heated. To straighten the hair they are placed in an open state of the two arms between the two screed plates and then transferred the two arms in a closed state. Often, the hair to be smoothed is placed in strands between the two screed plates.
  • a first important parameter, which is important for the achieved smoothing result, is the temperature of the hair arranged between the screed plates, which can be influenced by means of the heatable screed plate (s).
  • a second important parameter is the value of the pulling force generated by the hair straightener on the hair when straightening the hair. This pulling force arises when the hair straightener is moved away from the user's head in the direction of the hair tips of the hair to be smoothed, so that the hair to be smoothed is pulled through the screed plates.
  • the smoothing plates are often resiliently supported by means of suitable spring elements on the arms of the hair straightener, so that the surfaces of the smoothing plates are pressed onto the hairs or hair strands arranged between the smoothing plates.
  • a disadvantage of such hair straighteners is that often only a portion of the hair to be smoothed is compressed while generating the above-mentioned pulling force of the screed plates, while one or more sections of the hair to be smoothed, on which the screed plates do not rest, during the smoothing process as desired under train stand and thus not be smoothed out in an optimal way. This is especially true if the smoothing plate - as usual in technically very simple conventional hair straighteners - not resiliently mounted on the movable arms of Haarglätters, but are rigidly connected to these.
  • the smoothing element may have a plurality of independent elements.
  • the present invention addresses the problem of providing a hair straightener of the type mentioned an improved embodiment, which in particular by an optimized smoothness effect, which acts as possible on all arranged between the arms hair, is characterized.
  • the present invention is based on the general idea of forming at least the first of the two smoothing plates of the hair straightener with at least two relatively movable plate segments which are respectively arranged on the first arm of the hair straightener.
  • These at least two plate segments can be brought with their surface in sections and independently of the hair to be smoothed / hair strands to the plant, even if the strand diameter of the arranged between the screed hair strands varies in sections, in this case, the at least two plate segments according to sections on Haarsträhen- Sections of different diameter pressed and brought to this system.
  • the second screed plate may have two or more plate segments as explained above.
  • each of the at least two plate segments can be individually heated and / or cooled by means of a respective individual temperature setting device. In this way, not only an optimal tensile force in the hair to be smoothed can be achieved by means of at least two plate segments, but also the temperature of the hair to be smoothed are positively influenced, which is also of importance for the quality of the smoothing result.
  • the respective temperature setting device can have a heating element or / and a cooling element.
  • a combination of a heating element and a cooling element can be realized, for example, in a simple manner by means of a PTC element.
  • the heating element By means of the heating element, the temperature required for an optimal smoothing process can be adjusted in the hair to be smoothed or in the strands of hair to be straightened.
  • the two smoothing plates can be constructed such that on the one hand a good heat transfer between the smoothing plates or their plate segments and the hair to be smoothed is possible, on the other hand, however, the lowest possible friction on the hair when moving through the hair straightener is effected.
  • variants can also be thought of that several or even all plate segments each have their own heating or cooling element.
  • each plate segment can be resiliently supported by means of at least one individual spring element on the first arm of the hair straightener.
  • the plate segments are thus partially biased against the hair / hair strands to be smoothed and thus can be pressed optimally over all defined by the plate segments hair sections or strands of hair away for generating a tensile force against the respective hair or hair strands sections.
  • the invention In order to further improve the contact of the surfaces of the plate segments on the hair or hair strands to be smoothed, it is provided according to the invention to arrange at least two plate segments next to one another along a transverse direction of the first arm of the hair straightener and a first and last plate element respectively at an edge on this transverse direction rigidly fix the first arm of the hair straightener.
  • the first and last plate element with respect to the transverse direction in each case only inwardly, ie to the adjacent plate segments, are resilient.
  • the hair or hair strands remain in the region of the plate segments during the smoothing process and can not leave this area of the plate segments in an undesired manner.
  • the first and last plate segments can also be supported on the first arm by means of an individual edge-spring element.
  • the edge-spring element has a higher spring constant than the spring elements for supporting the arranged between the first and last plate segment plate segments. In this way, a certain degree of rigidity can be set with which the first and last plate segment are attached to the first arm or even fixed.
  • the first smoothing plate may comprise at least two mutually movable plate segments, whereas the second smoothing plate may be integrally formed.
  • the second smoothing plate as a whole can be mounted resiliently on the second arm analogously to the individual plate segments of the first smoothing plate by means of suitable spring elements.
  • the second smoothing plate can be supported on the second arm of the hair straightener by means of a spring device, which may in particular comprise a first and a second spring element.
  • the two smoothing plates or their plate segments may each have a surface coating. In this way, the life of the hair straightener is increased.
  • the surface coating may be a sol gel coating or a PVD coating or a CVD coating or a thermally sprayed coating or paint or enamel or anodized.
  • FIG. 1 For example, a conventional hair straightener known from the prior art is shown roughly schematically in a cross section and designated by the reference numeral 10.
  • the hair straightener 10 has two arms 11 a, b articulated to one another, on which a first or second smoothing plate 12 a, b is arranged.
  • the two smoothing plates 12a, b are each supported by spring elements 13a, b resiliently on the arms 11a, b.
  • Conventional hair straighteners 10 with integrally formed screed plates 12a, b have the disadvantage that certain sections of the hair or hair strands 14 to be smoothed due to the rigid formation of the screed plates 12a, 12b not completely against the screed plates 12a, b, when the thickness of the hair / Strands of hair 14 between the screed plates 12a, b sections varies, In sections in which the screed plates 12a, b spaced from the hair / hair strands 14 are arranged (these are in the FIG. 1 denoted by the reference numeral 16), no tensile force for smoothing the hair or hair strands 14 build up, which has a negative effect on the smoothness effect in the hair / hair strands 14 to be smoothed.
  • the hair straightener 1 comprises two articulated arms 2a, b, on which a first or second smoothing plate 3a, b is arranged, of which at least one is heatable.
  • the first smoothing plate 3a has at least two plate segments 5 which are arranged so as to be movable relative to one another and which are arranged on the first arm 2a of the hair straightener 1. Exemplary are in the representation of FIG. 1 four such plate segments 5 are shown; It is clear that in variants but also a different number of plate segments 5 may be provided.
  • the plate segments 5 By means of the plate segments 5 according to the invention, it is ensured that a contact pressure is exerted on all sections of the hair or hair strands 4 arranged between the two screed plates 3a, b, by means of which, when the hair or hair strands 4 to be smoothed are moved in the direction L through the hair straightener 1 a required for optimum smoothing of the hair 4 pulling force can be built up.
  • the smoothing plate 3a formed from such plate segments 5 can be pressed onto the hair / strands of hair 4 even when the thickness of the hair / hair strands 4 is varying in sections to build up a contact pressure or tensile force.
  • the hair / hair strands 4 to be smoothed are arranged in certain sections of the screed plates 3a, b between them.
  • the plate segments 5 as in the illustration of FIG. 3 also be shown along the longitudinal direction L of the hair straightener 1 juxtaposed. Also, a grid-like arrangement of the plate segments 5 in the manner of a two-dimensional grid in the longitudinal and transverse directions of the hair straightener 1 is conceivable in a variant.
  • the second smoothing plate 3b is integrally formed.
  • the second smoothing plate 3b may also have a plurality of plate segments 5. It is also conceivable that only the second smoothing plate 3b is formed of a plurality of mutually movable plate segments 5, whereas the smoothing plate 3a is formed in one piece.
  • each plate segment 5 by means of an individual spring element 6a on the first arm 2a of the hair straightener 1 can be resiliently supported.
  • first and last plate segment 7 each rigidly fixed to an edge 8 on the first arm 2a of the hair straightener.
  • fix the first and last plate segment 7 with not completely rigid, but to use analogous to the spring elements 6a also suitable spring elements for support on the first arm 2a, which, however, have a higher spring constant than the spring elements 6a.
  • the desired degree of rigidity can be adjusted, with which the two plate segments 7 are attached to the first arm 2a. In this way it can be prevented that the hair / hair tresses 4 in or against the transverse direction Q of the screed plates 3a, b can leave them during a smoothing process.
  • the second smoothing plate 3b may also have a spring device which may comprise a first and a second spring element 6b, by means of which the second smoothing plate 3b is supported on the second arm 2b of the hair straightener 1.
  • the smoothing plates 3a, b or plate segments 5, 7 can each have a surface coating, which is a solgel coating or a PVD coating or a CVD coating or a thermally sprayed coating or paint or enamel or anodized.

Landscapes

  • Cosmetics (AREA)
  • Hair Curling (AREA)

Claims (8)

  1. Fer à lisser les cheveux (1),
    - avec deux bras (2a, 2b) montés articulés l'un au niveau de l'autre, au niveau desquels est agencée une première ou seconde plaque de lissage (3a, 3b), dont au moins une peut être chauffée,
    - dans lequel au moins la première plaque de lissage (3a) comprend au moins deux segments de plaque (5) mobiles l'un par rapport à l'autre, qui sont agencés sur le premier bras (2a) du fer à lisser les cheveux ; et dans lequel
    au moins deux segments de plaque (5) sont agencés l'un à côté de l'autre le long d'une direction transversale (Q) du premier bras (2a), caractérisé en ce que
    - des premier et dernier, par rapport à la direction transversale (Q), segments de plaque (7) sont fixés rigides respectivement au niveau d'un bord (8) sur le premier bras (2a) du fer à lisser les cheveux ou s'appuient respectivement sur le premier bras (2a) au moyen d'un élément individuel de bord, formant ressort, qui présente une constante de ressort supérieure aux éléments formant ressort (6a) en vue d'un soutien des segments de plaque (5) agencés entre les premier et dernier segments de plaque (7).
  2. Fer à lisser les cheveux selon la revendication 1, caractérisé en ce que chacun des au moins deux segments de plaque (5) peuvent être chauffés et/ou refroidis individuellement au moyen d'un appareil respectif individuel d'ajustement de température.
  3. Fer à lisser les cheveux selon la revendication 2, caractérisé en ce que l'appareil respectif d'ajustement de température présente un élément de chauffage et/ou un élément de refroidissement, en particulier un élément à coefficient de température positif CTP.
  4. Fer à lisser les cheveux selon l'une quelconque des revendications 1 à 3, caractérisé en ce que chaque segment de plaque (5) s'appuie avec une élasticité de ressort sur le premier bras (2a) du fer à lisser les cheveux (1) respectivement au moyen d'au moins un élément formant ressort (6a) individuel.
  5. Fer à lisser les cheveux selon l'une quelconque des revendications précédentes, caractérisé en ce que seule la première plaque de lissage (3a) comprend au moins deux segments de plaque (5) mobiles l'un par rapport à l'autre et la seconde plaque de lissage (3b) est réalisée d'un seul tenant.
  6. Fer à lisser les cheveux selon la revendication 5, caractérisé en ce que la seconde plaque de lissage (3b) s'appuie sur le second bras (2b) du fer à lisser les cheveux (1) au moyen d'un dispositif formant ressort qui comprend en particulier des premier et second éléments formant ressort (6b).
  7. Fer à lisser les cheveux selon l'une quelconque des revendications précédentes, caractérisé en ce que les plaques de lissage (3a, 3b) ou les segments de plaque (5) présentent respectivement un revêtement de surface.
  8. Fer à lisser les cheveux selon la revendication 7, caractérisé en ce que le revêtement de surface est un revêtement par procédé sol-gel ou un revêtement par dépôt physique en phase vapeur PVD ou un revêtement par dépôt chimique en phase vapeur CVD ou un revêtement projeté thermiquement, une laque, un émail ou une anodisation.
EP13198048.4A 2012-12-20 2013-12-18 Dispositif de lissage des cheveux Active EP2745728B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012224043.8A DE102012224043A1 (de) 2012-12-20 2012-12-20 Haarglätter

Publications (2)

Publication Number Publication Date
EP2745728A1 EP2745728A1 (fr) 2014-06-25
EP2745728B1 true EP2745728B1 (fr) 2015-09-09

Family

ID=49765982

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13198048.4A Active EP2745728B1 (fr) 2012-12-20 2013-12-18 Dispositif de lissage des cheveux

Country Status (2)

Country Link
EP (1) EP2745728B1 (fr)
DE (1) DE102012224043A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2498516A (en) 2012-01-10 2013-07-24 Jemella Ltd Hair styling apparatus comprising a curved cooling section
US10702036B2 (en) 2013-11-12 2020-07-07 Jemella Limited Hair styling apparatus
GB2545233B (en) 2015-12-09 2018-06-27 Dyson Technology Ltd Flexible heating plate for hair

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060207625A1 (en) * 2005-03-15 2006-09-21 Chan Wing K Hair straightener with magnetic means
KR100858028B1 (ko) * 2008-04-17 2008-09-10 불루세라믹 주식회사 머리 미용기구
DE102010002795A1 (de) * 2010-03-11 2011-09-15 BSH Bosch und Siemens Hausgeräte GmbH Haarglätter
DE102010028847A1 (de) * 2010-05-11 2011-11-17 BSH Bosch und Siemens Hausgeräte GmbH Elektrisch betriebener Haarglätter
GB2477834B (en) * 2010-08-31 2012-02-01 Jemella Ltd Hair styling appliance
DE102011002402A1 (de) * 2011-01-03 2012-07-05 BSH Bosch und Siemens Hausgeräte GmbH Haarglätter

Also Published As

Publication number Publication date
EP2745728A1 (fr) 2014-06-25
DE102012224043A1 (de) 2014-06-26

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