EP0867133A1 - Hair clip with profiled teeth - Google Patents

Hair clip with profiled teeth Download PDF

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Publication number
EP0867133A1
EP0867133A1 EP98420048A EP98420048A EP0867133A1 EP 0867133 A1 EP0867133 A1 EP 0867133A1 EP 98420048 A EP98420048 A EP 98420048A EP 98420048 A EP98420048 A EP 98420048A EP 0867133 A1 EP0867133 A1 EP 0867133A1
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EP
European Patent Office
Prior art keywords
teeth
width
hair clip
jaw
series
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Granted
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EP98420048A
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German (de)
French (fr)
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EP0867133B1 (en
Inventor
Christian Potut
Jean-François Potut
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Csp Diffusion SA
C S P Diffusion SA
C S P Diffusion
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Csp Diffusion SA
C S P Diffusion SA
C S P Diffusion
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Publication of EP0867133A1 publication Critical patent/EP0867133A1/en
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    • 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
    • A45D8/20—Hair clamps, i.e. elastic multi-part clamps, the parts of which are pivotally connected between their ends

Definitions

  • the present invention relates to hair clips, in particular used for female hairstyle.
  • Known hair clips as described in particular in documents FR 770 805 A, FR 755 662 A or EP 0 669 088 A, include generally a first bit fitted with a first set of teeth generally parallel, a second jaw provided with a second series of teeth generally parallel, and articulation means connecting the first jaw and the second jaw by authorizing their respective pivoting one by relation to each other around an axis of articulation between a position open in which the first and second sets of teeth are separated from each other and a closed position in which the first and the second series of teeth are nested one inside the other.
  • the parallel teeth are curved in a circular arc, and have a relatively small width and substantially constant throughout their length.
  • the teeth In documents FR 770 805 A and FR 755 662 A, the teeth have a triangular profile, with a width which is maximum at neighborhood of their base and which gradually decreases to their free end.
  • the means of articulation connect the first and second jaws according to their respective intermediate zones between two gripping levers and the pinching zones provided with the teeth, with elastic means which pivotally urge the jaws one by one relative to each other toward their closed position.
  • hair clips or barrettes such described for example in document FR 592 049 A, in which the joint is made at a lateral end of the jaws, and the teeth also have a triangular profile with a width which is maximum at the base of the teeth and which gradually reduces to their ends free.
  • Document FR 1 049 705 A describes a pair of two-pliers articulated jaws for holding a lock of curled hair.
  • the teeth of each jaw are connected together according to their base by a bar median, the two median bars being intended to pinch the loop of hair and keep it away from the scalp, while allowing the air passage between the teeth on either side of each bar median for hair drying.
  • the protruding part of the teeth, beyond of the corresponding center bar has a width ranging from decreasing towards the free end of the tooth. We find thus a tooth structure with a triangular profile.
  • the openwork part in below the corresponding center bar does not fulfill the function of a row of teeth, because the bar prevents penetration into a mass of hair. In the closed position of the clamp, the projecting part of the teeth develops in an arc entirely in the direction of the jaw opposite.
  • the problem proposed by the present invention is to improve the holding the clip in the hair, avoiding slipping of the strands of hair between the teeth of the pliers, especially the sliding in the longitudinal middle direction of the teeth.
  • Another object of the invention is to increase the intake of hair, i.e. to increase the mass of hair that the clamp is likely to take, for a given size of pliers.
  • At least some of the teeth have a maximum width in the central area of the tooth, said width decreasing towards the base of the tooth and towards the free end of the tooth.
  • the teeth may have a longitudinal profile curved with, in the closed position of the clamp, a base area tending to develop away from the other bit, and with an end zone tending to develop towards the other bit.
  • variable width teeth may advantageously include a median longitudinal lumen.
  • the teeth variable width of the first set of teeth are side by side with the variable width teeth of the second set of teeth according to their zones power stations.
  • the articulation means connect the first and second jaws according to their intermediate zones between two gripping levers and the pinch zones provided with the first series of teeth and second series of teeth, constituting a hair clip with profiled teeth; elastic means stress pivoting the jaws relative to each other towards their position closed.
  • the articulation means connect the first and second jaws according to an end zone longitudinal, constituting an articulated bar.
  • the hair clip according to the invention comprises a first jaw 1 provided with a first series of curved teeth 21, 22, 23 generally parallel the to each other, and a second jaw 3 provided with a second series of teeth generally parallel curved 41, 42, 43.
  • the teeth of each series of teeth are curved with their concave side facing the other set of teeth.
  • Hinge means 5 connect the first jaw 1 and the second jaw 3 by authorizing their respective pivoting with respect to the other around a hinge pin 6, between an open position illustrated in Figure 4 in which the first set of teeth 21-23 and the second set of teeth 41-43 are spaced from each other and a closed position illustrated in Figures 1 to 3 in which the two series of teeth 21-23 and 41-43 are nested one inside the other.
  • the means articulation 5 connect the first and second jaws 1 and 3 according to their respective intermediate zones 7 and 8 located between two levers respective grip 9 and 10 and two respective gripping zones 11 and 12.
  • jaws 1 and 3 may have an elongated shape parallel to the articulation axis 6, as illustrated in the figures, although shorter jaw pliers can also be designed in the context of the present invention.
  • the means of articulation include, on the first jaw 1, two extreme perforated pins 13 and 14, and, on the second jaw 3, two pins internal perforations 15 and 16 respectively protruding from the first zone of intermediate link 7 and the second intermediate link area 8.
  • the articulation axis 6 crosses the perforations of the four pins for connect them and form the means of articulation 5.
  • Elastic means pivot the jaws 1 and 3 relative to each other towards their closed position.
  • elastic means may comprise a helical spring 17, wound in helix around the axis of articulation 6, and the ends of which come to bear respectively on the lever 9 and on the lever 10 of the jaws 1 and 3.
  • At least some of the teeth of the first series of teeth 21-23, and / or at least some of the teeth of the second series of teeth 41-43 have a reduced width in the vicinity of their based.
  • at least some of the teeth have a width maximum in the central area of the tooth, said width going decreasing towards the base of the tooth and towards the free end of the tooth.
  • all of the teeth have such a reduced width shape in the vicinity of their base, with maximum width in the central area.
  • Tooth 21 has an arcuate end portion circle developing towards opposite teeth, as seen from side in Figure 3, and presents, as seen from the front on the Figures 1 and 4, a maximum width L1 in the central area of the tooth 21, said width decreasing to a reduced width L2 at near the base of the tooth, and decreasing to a reduced width L3 towards the free end 19 of the tooth.
  • the thickness E of the tooth or dimension in the direction perpendicular to both the length of the teeth and the width L of the teeth, is much less than their width.
  • some at least teeth have, at their base and in the vicinity of their free end 19, a width L2 or L3 equal to at least three times their thickness E, and, in the central zone, a width L1 equal to at least four times their thickness E.
  • the teeth thus have a flattened shape with cross section substantially rectangular, with the long side extending across the width of the tooth and the short side extending according to the thickness of the tooth.
  • the tooth 21 In its base area, i.e. in its length portion close to its base for connection to the body of the jaw, and in the closed position of the pliers, the tooth 21 can advantageously be oriented in developing away from the other bit. We reinforce it this way the effect of wedging the lock of hair in the extended interval close to the base of the teeth.
  • the teeth have a median longitudinal plane of symmetry substantially perpendicular to hinge pin 6.
  • variable width teeth such as tooth 21 have a lumen longitudinal median 20, which further promotes hair setting and lightens the clamp.
  • variable width teeth of the first series of teeth 21-23 are side by side with the variable width teeth of the second series of teeth 41-43 according to their respective central zones. This arrangement further improves the grip and hold of the hair.
  • the teeth it is advantageous for the teeth to have profiles with regular curvatures, and a sufficiently end zone tapered and oriented in a direction close to the tangential direction of the gripper jaw, to ensure effective penetration of said end zone in the hair.
  • the articulation means connect the first jaws 1 and second jaws 3 according to an end zone longitudinal 18 illustrated in Figure 1, allowing pivoting of jaws 1 and 3 relative to each other around an axis of articulation I - I. A hair clip with profiled teeth is thus produced.
  • the jaws can have, in the longitudinal direction or direction parallel to the hinge axis 6 on the embodiment illustrated on the figures, a length L of between 9 and 10 cm approximately, the teeth 21-23 and 41-43 having a maximum width L1 equal to approximately 12 mm and a minimum width L2 at the base equal to approximately 10 mm, their thickness E being about 3 mm.
  • levers 9 and 10 are strongly inclined with respect to the pinching zones 11 and 12 constituting the part main jaws 1 and 3. Thanks to this inclination, we increase substantially the opening capacity of the clamp, allowing the grip a larger mass of hair.

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  • Clamps And Clips (AREA)

Abstract

The hair clip comprises a first jaw (1) with a series of parallel curved teeth (21-23). It has a second jaw (3) with a second series of curved teeth (41-43). A pivot (5) connects the two jaws enabling their pivoting about an axis (6) between open and closed positions. Certain of the teeth have a width (L2) which is reduced at their base. Certain teeth of the first jaw have a maximum width (L1) in the tooth central zone which decreases towards the base of the tooth in the direction of the tooth free end (19). Certain of the teeth have at their base near their free end (L3) a width equal to at least three times their thickness and in their central zone a width (L1) equal to four times their thickness.

Description

La présente invention concerne les pinces à cheveux, notamment utilisées pour la coiffure féminine.The present invention relates to hair clips, in particular used for female hairstyle.

Les pinces à cheveux connues, telles que décrites notamment dans les documents FR 770 805 A, FR 755 662 A ou EP 0 669 088 A, comprennent généralement un premier mors muni d'une première série de dents généralement parallèles, un second mors muni d'une seconde série de dents généralement parallèles, et des moyens d'articulation reliant le premier mors et le second mors en autorisant leurs pivotements respectifs l'un par rapport à l'autre autour d'un axe d'articulation entre une position ouverte dans laquelle la première et la seconde séries de dents sont écartées l'une de l'autre et une position fermée dans laquelle la première et la seconde séries de dents sont imbriquées l'une dans l'autre.Known hair clips, as described in particular in documents FR 770 805 A, FR 755 662 A or EP 0 669 088 A, include generally a first bit fitted with a first set of teeth generally parallel, a second jaw provided with a second series of teeth generally parallel, and articulation means connecting the first jaw and the second jaw by authorizing their respective pivoting one by relation to each other around an axis of articulation between a position open in which the first and second sets of teeth are separated from each other and a closed position in which the first and the second series of teeth are nested one inside the other.

Dans le document EP 0 669 088 A, les dents parallèles sont incurvées en arc de cercle, et ont une largeur relativement faible et sensiblement constante selon toute leur longueur.In document EP 0 669 088 A, the parallel teeth are curved in a circular arc, and have a relatively small width and substantially constant throughout their length.

Dans les documents FR 770 805 A et FR 755 662 A, les dents présentent un profil triangulaire, avec une largeur qui est maximale au voisinage de leur base et qui se réduit progressivement jusqu'à leur extrémité libre.In documents FR 770 805 A and FR 755 662 A, the teeth have a triangular profile, with a width which is maximum at neighborhood of their base and which gradually decreases to their free end.

Dans ces trois documents, les moyens d'articulation relient les premier et second mors selon leurs zones intermédiaires respectives entre deux leviers de préhension et les zones de pincement munies des dents, avec des moyens élastiques qui sollicitent en pivotement les mors l'un par rapport à l'autre vers leur position fermée.In these three documents, the means of articulation connect the first and second jaws according to their respective intermediate zones between two gripping levers and the pinching zones provided with the teeth, with elastic means which pivotally urge the jaws one by one relative to each other toward their closed position.

On connaít également des pinces ou barrettes à cheveux telles décrites par exemple dans le document FR 592 049 A, dans lesquelles l'articulation s'effectue à une extrémité latérale des mors, et les dents ont également un profil triangulaire avec une largeur qui est maximale à la base des dents et qui se réduit progressivement jusqu'à leur extrémité libre.We also know hair clips or barrettes such described for example in document FR 592 049 A, in which the joint is made at a lateral end of the jaws, and the teeth also have a triangular profile with a width which is maximum at the base of the teeth and which gradually reduces to their ends free.

Avec des pinces à cheveux telles que celles qui sont connues, une fonction utile est d'assurer une bonne tenue dans les cheveux, et de prendre une masse de cheveux la plus importante possible.With hair clips like the ones we know, a useful function is to ensure good hold in the hair, and to gain as much hair as possible.

On constate cependant que la tenue dans les cheveux n'est pas parfaite, car les mèches de cheveux tendent à glisser progressivement entre les dents, et la prise se relâche. We note however that the hold in the hair is not perfect because strands of hair tend to slide out gradually between the teeth, and the grip loosens.

Le document FR 1 049 705 A décrit une pince spécifique à deux mors articulés pour la tenue d'une mèche de cheveux en boucle. Les dents de chaque mors sont reliées entre elles selon leur base par une barrette médiane, les deux barrettes médianes étant destinées à pincer la boucle de cheveux et à la tenir écartée du cuir chevelu, tout en autorisant le passage de l'air entre les dents de part et d'autre de chaque barrette médiane pour le séchage des cheveux. La partie dépassante des dents, au-delà de la barrette médiane correspondante, présente une largeur allant en décroissant en direction de l'extrémité libre de la dent. On retrouve ainsi une structure de dent à profil triangulaire. La partie ajourée en deçà de la barrette médiane correspondante ne remplit pas la fonction d'une rangée de dents, car la barrette empêche la pénétration dans une masse de cheveux. En position fermée de la pince, la partie dépassante des dents se développe en arc de cercle entièrement en direction du mors opposé.Document FR 1 049 705 A describes a pair of two-pliers articulated jaws for holding a lock of curled hair. The teeth of each jaw are connected together according to their base by a bar median, the two median bars being intended to pinch the loop of hair and keep it away from the scalp, while allowing the air passage between the teeth on either side of each bar median for hair drying. The protruding part of the teeth, beyond of the corresponding center bar, has a width ranging from decreasing towards the free end of the tooth. We find thus a tooth structure with a triangular profile. The openwork part in below the corresponding center bar does not fulfill the function of a row of teeth, because the bar prevents penetration into a mass of hair. In the closed position of the clamp, the projecting part of the teeth develops in an arc entirely in the direction of the jaw opposite.

Le problème proposé par la présente invention est d'améliorer la tenue de la pince dans les cheveux, en évitant au mieux le glissement des mèches de cheveux entre les dents de la pince, en particulier le glissement dans la direction moyenne longitudinale des dents.The problem proposed by the present invention is to improve the holding the clip in the hair, avoiding slipping of the strands of hair between the teeth of the pliers, especially the sliding in the longitudinal middle direction of the teeth.

Un autre objet de l'invention est d'augmenter la prise de cheveux, c'est à dire d'augmenter la masse de cheveux que la pince est susceptible de prendre, pour une taille donnée de pince.Another object of the invention is to increase the intake of hair, i.e. to increase the mass of hair that the clamp is likely to take, for a given size of pliers.

Pour atteindre ces objets ainsi que d'autres, une pince à cheveux selon l'invention comprend :

  • un premier mors muni d'une première série de dents incurvées généralement parallèles,
  • un second mors muni d'une seconde série de dents incurvées généralement parallèles,
  • des moyens d'articulation reliant le premier mors et le second mors en autorisant leurs pivotements respectifs l'un par rapport à l'autre autour d'un axe d'articulation entre une position ouverte dans laquelle la première série de dents et la seconde série de dents sont écartées l'une de l'autre et une position fermée dans laquelle les dents de la première série de dents viennent s'imbriquer entre les dents de la seconde série de dents,
  • certaines au moins des dents de la première série de dents ou de la seconde série de dents présentent une largeur réduite au voisinage de leur base.
To achieve these and other objects, a hair clip according to the invention comprises:
  • a first jaw provided with a first series of generally parallel curved teeth,
  • a second jaw provided with a second series of generally parallel curved teeth,
  • articulation means connecting the first jaw and the second jaw allowing their respective pivoting relative to each other about an axis of articulation between an open position in which the first series of teeth and the second series teeth are spaced from each other and a closed position in which the teeth of the first series of teeth are nested between the teeth of the second series of teeth,
  • at least some of the teeth of the first series of teeth or of the second series of teeth have a reduced width in the vicinity of their base.

Selon un mode de réalisation préféré, certaines au moins des dents présentent une largeur maximale dans la zone centrale de la dent, ladite largeur allant en décroissant en direction de la base de la dent et en direction de l'extrémité libre de la dent.According to a preferred embodiment, at least some of the teeth have a maximum width in the central area of the tooth, said width decreasing towards the base of the tooth and towards the free end of the tooth.

De bons résultats sont obtenus en prévoyant que certaines au moins des dents ont, à leur base et au voisinage de leur extrémité libre, une largeur égale à au moins trois fois leur épaisseur et, dans la zone centrale, une largeur au moins égale à quatre fois leur épaisseur.Good results are obtained by predicting that some at fewer teeth have, at their base and near their free end, a width equal to at least three times their thickness and, in the area central, a width at least equal to four times their thickness.

De préférence, les dents peuvent avoir un profil longitudinal incurvé avec, en position fermée de la pince, une zone de base tendant à se développer à l'écart de l'autre mors, et avec une zone d'extrémité tendant à se développer en direction de l'autre mors.Preferably, the teeth may have a longitudinal profile curved with, in the closed position of the clamp, a base area tending to develop away from the other bit, and with an end zone tending to develop towards the other bit.

Les dents à largeur variable peuvent avantageusement comporter une lumière longitudinale médiane.The variable width teeth may advantageously include a median longitudinal lumen.

De préférence, en position fermée de la pince, les dents à largeur variable de la première série de dents sont côte à côte avec les dents à largeur variable de la seconde série de dents selon leurs zones centrales.Preferably, in the closed position of the pliers, the teeth variable width of the first set of teeth are side by side with the variable width teeth of the second set of teeth according to their zones power stations.

Selon un premier mode de réalisation, les moyens d'articulation relient les premier et second mors selon leurs zones intermédiaires respectives entre deux leviers de préhension et les zones de pincement munies des première série de dents et seconde série de dents, constituant une pince à cheveux à dents profilées ; des moyens élastiques sollicitent en pivotement les mors l'un par rapport à l'autre vers leur position fermée.According to a first embodiment, the articulation means connect the first and second jaws according to their intermediate zones between two gripping levers and the pinch zones provided with the first series of teeth and second series of teeth, constituting a hair clip with profiled teeth; elastic means stress pivoting the jaws relative to each other towards their position closed.

Selon un autre mode de réalisation, les moyens d'articulation relient les premier et second mors selon une zone d'extrémité longitudinale, constituant une barrette articulée.According to another embodiment, the articulation means connect the first and second jaws according to an end zone longitudinal, constituting an articulated bar.

D'autres objets, caractéristiques et avantages de la présente invention ressortiront de la description suivante de modes de réalisation particuliers, faite en relation avec les figures jointes, parmi lesquelles:

  • la figure 1 est une vue de face d'une pince à cheveux selon un mode de réalisation de la présente invention ;
  • la figure 2 est une vue de dessus de la pince de la figure 1 ;
  • la figure 3 est une vue du côté droit de la pince de la figure 1, en position fermée ;
  • la figure 4 est une vue de dessous de la pince de la figure 1 en position ouverte ; et
  • la figure 5 est une vue en perspective de la pince de la figure 1.
Other objects, characteristics and advantages of the present invention will emerge from the following description of particular embodiments, given in relation to the attached figures, among which:
  • Figure 1 is a front view of a hair clip according to an embodiment of the present invention;
  • Figure 2 is a top view of the clamp of Figure 1;
  • Figure 3 is a right side view of the clamp of Figure 1, in the closed position;
  • Figure 4 is a bottom view of the clamp of Figure 1 in the open position; and
  • FIG. 5 is a perspective view of the clamp of FIG. 1.

Dans le mode de réalisation illustré sur les figures 1 à 5, la pince à cheveux selon l'invention comprend un premier mors 1 muni d'une première série de dents incurvées 21, 22, 23 généralement parallèles les unes aux autres, et un second mors 3 muni d'une seconde série de dents incurvées généralement parallèles 41, 42, 43. Les dents de chaque série de dents sont incurvées avec leur côté concave orienté vers l'autre série de dents. Des moyens d'articulation 5 relient le premier mors 1 et le second mors 3 en autorisant leurs pivotements respectifs l'un par rapport à l'autre autour d'un axe d'articulation 6, entre une position ouverte illustrée sur la figure 4 dans laquelle la première série de dents 21-23 et la seconde série de dents 41-43 sont écartées l'une de l'autre et une position fermée illustrée sur les figures 1 à 3 dans laquelle les deux séries de dents 21-23 et 41-43 sont imbriquées l'une dans l'autre.In the embodiment illustrated in Figures 1 to 5, the hair clip according to the invention comprises a first jaw 1 provided with a first series of curved teeth 21, 22, 23 generally parallel the to each other, and a second jaw 3 provided with a second series of teeth generally parallel curved 41, 42, 43. The teeth of each series of teeth are curved with their concave side facing the other set of teeth. Hinge means 5 connect the first jaw 1 and the second jaw 3 by authorizing their respective pivoting with respect to the other around a hinge pin 6, between an open position illustrated in Figure 4 in which the first set of teeth 21-23 and the second set of teeth 41-43 are spaced from each other and a closed position illustrated in Figures 1 to 3 in which the two series of teeth 21-23 and 41-43 are nested one inside the other.

Dans la réalisation illustrée, constituant une pince, les moyens d'articulation 5 relient les premier et second mors 1 et 3 selon leurs zones intermédiaires respectives 7 et 8 situées entre deux leviers de préhension respectifs 9 et 10 et deux zones de pincement respectives 11 et 12. Dans ce cas, les mors 1 et 3 peuvent présenter une forme allongée parallèlement à l'axe d'articulation 6, comme illustré sur les figures, bien que des pinces à mors plus courts puissent être également conçues dans le cadre de la présente invention.In the illustrated embodiment, constituting a clamp, the means articulation 5 connect the first and second jaws 1 and 3 according to their respective intermediate zones 7 and 8 located between two levers respective grip 9 and 10 and two respective gripping zones 11 and 12. In this case, jaws 1 and 3 may have an elongated shape parallel to the articulation axis 6, as illustrated in the figures, although shorter jaw pliers can also be designed in the context of the present invention.

Dans la réalisation illustrée, les moyens d'articulation, mieux visibles sur les figures 2 et 4, comprennent, sur le premier mors 1, deux ergots perforés extrêmes 13 et 14, et, sur le second mors 3, deux ergots perforés internes 15 et 16 dépassant respectivement de la première zone de liaison intermédiaire 7 et de la seconde zone de liaison intermédiaire 8. L'axe d'articulation 6 traverse les perforations des quatre ergots pour les relier et former les moyens d'articulation 5.In the illustrated embodiment, the means of articulation, better visible in Figures 2 and 4, include, on the first jaw 1, two extreme perforated pins 13 and 14, and, on the second jaw 3, two pins internal perforations 15 and 16 respectively protruding from the first zone of intermediate link 7 and the second intermediate link area 8. The articulation axis 6 crosses the perforations of the four pins for connect them and form the means of articulation 5.

Des moyens élastiques sollicitent en pivotement les mors 1 et 3 l'un par rapport à l'autre vers leur position fermée. Par exemple, les moyens élastiques peuvent comprendre un ressort hélicoïdal 17, enroulé en hélice autour de l'axe de l'articulation 6, et dont les extrémités viennent en appui respectivement sur le levier 9 et sur le levier 10 des mors 1 et 3.Elastic means pivot the jaws 1 and 3 relative to each other towards their closed position. For example, elastic means may comprise a helical spring 17, wound in helix around the axis of articulation 6, and the ends of which come to bear respectively on the lever 9 and on the lever 10 of the jaws 1 and 3.

Selon l'invention, certaines au moins des dents de la première série de dents 21-23, et/ou certaines au moins des dents de la seconde série de dents 41-43 présentent une largeur réduite au voisinage de leur base. Par exemple, certaines au moins des dents présentent une largeur maximale dans la zone centrale de la dent, ladite largeur allant en décroissant en direction de la base de la dent et en direction de l'extrémité libre de la dent.According to the invention, at least some of the teeth of the first series of teeth 21-23, and / or at least some of the teeth of the second series of teeth 41-43 have a reduced width in the vicinity of their based. For example, at least some of the teeth have a width maximum in the central area of the tooth, said width going decreasing towards the base of the tooth and towards the free end of the tooth.

Dans le mode de réalisation illustré sur les figures, toutes les dents présentent une telle forme à largeur réduite au voisinage de leur base, avec une largeur maximale dans la zone centrale.In the embodiment illustrated in the figures, all of the teeth have such a reduced width shape in the vicinity of their base, with maximum width in the central area.

Par suite de la présence de largeurs réduites de dents au voisinage de leur base, on réalise des intervalles élargis entre les dents d'un même premier mors au voisinage de leur base. Lorsque la pince est en position dans une chevelure, une mèche de cheveux, repoussée par une dent de l'autre mors opposée en imbrication, tend à sortir par l'intervalle élargi entre deux dents du premier mors, puis se trouve engagée dans le coin formé par le rétrécissement progressif des dents dans leur zone médiane, produisant un effet de coincement de la mèche de cheveux. Il en résulte une tenue améliorée de la pince dans les cheveux.Due to the presence of reduced tooth widths at the near their base, widened intervals between the teeth are made of the same first jaw in the vicinity of their base. When the clamp is in position in a hair, a lock of hair, pushed back by a tooth on the other jaw, opposite in nesting, tends to come out by the interval widened between two teeth of the first bit, then is engaged in the wedge formed by the progressive narrowing of the teeth in their area median, producing a wedging effect of the lock of hair. It results in improved hold of the clip in the hair.

En se référant particulièrement aux figures 1 et 4, on décrira de façon plus spécifique la dent 21, les autres dents ayant des formes identiques ou similaires.With particular reference to Figures 1 and 4, we will describe more specifically tooth 21, the other teeth having shapes identical or similar.

La dent 21 comporte une portion d'extrémité incurvée en arc de cercle se développant en direction des dents opposées, comme on le voit de côté sur la figure 3, et présente, comme on le voit de face sur les figures 1 et 4, une largeur maximale L1 dans la zone centrale de la dent 21, ladite largeur allant en décroissant jusqu'à une largeur réduite L2 au voisinage de la base de la dent, et allant en décroissant jusqu'à une largeur réduite L3 en direction de l'extrémité libre 19 de la dent. Simultanément, l'épaisseur E de la dent, ou dimension dans le sens perpendiculaire à la fois à la longueur des dents et à la largeur L des dents, est très inférieure à leur largeur. Par exemple, certaines au moins des dents ont, à leur base et au voisinage de leur extrémité libre 19, une largeur L2 ou L3 égale à au moins trois fois leur épaisseur E, et, dans la zone centrale, une largeur L1 égale à au moins quatre fois leur épaisseur E. Les dents présentent ainsi une forme aplatie à section transversale sensiblement rectangulaire, avec le grand côté s'étendant selon la largeur de la dent et le petit côté s'étendant selon l'épaisseur de la dent.Tooth 21 has an arcuate end portion circle developing towards opposite teeth, as seen from side in Figure 3, and presents, as seen from the front on the Figures 1 and 4, a maximum width L1 in the central area of the tooth 21, said width decreasing to a reduced width L2 at near the base of the tooth, and decreasing to a reduced width L3 towards the free end 19 of the tooth. Simultaneously, the thickness E of the tooth, or dimension in the direction perpendicular to both the length of the teeth and the width L of the teeth, is much less than their width. For example, some at least teeth have, at their base and in the vicinity of their free end 19, a width L2 or L3 equal to at least three times their thickness E, and, in the central zone, a width L1 equal to at least four times their thickness E. The teeth thus have a flattened shape with cross section substantially rectangular, with the long side extending across the width of the tooth and the short side extending according to the thickness of the tooth.

Dans sa zone de base, c'est-à-dire dans sa portion de longueur proche de sa base de raccordement au corps du mors, et en position fermée de la pince, la dent 21 peut avantageusement être orientée en se développant à l'écart de l'autre mors. On renforce encore de cette façon l'effet de coincement de la mèche de cheveux dans l'intervalle élargi proche de la base des dents.In its base area, i.e. in its length portion close to its base for connection to the body of the jaw, and in the closed position of the pliers, the tooth 21 can advantageously be oriented in developing away from the other bit. We reinforce it this way the effect of wedging the lock of hair in the extended interval close to the base of the teeth.

Dans l'exemple représenté sur les dessins, les dents présentent un plan de symétrie longitudinal médian sensiblement perpendiculaire à l'axe d'articulation 6.In the example shown in the drawings, the teeth have a median longitudinal plane of symmetry substantially perpendicular to hinge pin 6.

Dans la réalisation avantageuse illustrée sur les figures, les dents à largeur variable telles que la dent 21 comportent une lumière longitudinale médiane 20, qui favorise encore la prise des cheveux et allège la pince.In the advantageous embodiment illustrated in the figures, the variable width teeth such as tooth 21 have a lumen longitudinal median 20, which further promotes hair setting and lightens the clamp.

De préférence, en position fermée de la pince telle qu'illustrée sur les figures 1 à 3, les dents à largeur variable de la première série de dents 21-23 sont côte à côte avec les dents à largeur variable de la seconde série de dents 41-43 selon leurs zones centrales respectives. Cette disposition améliore encore la prise et la tenue des cheveux.Preferably, in the closed position of the clamp as illustrated in Figures 1 to 3, the variable width teeth of the first series of teeth 21-23 are side by side with the variable width teeth of the second series of teeth 41-43 according to their respective central zones. This arrangement further improves the grip and hold of the hair.

Dans tous les cas, il est avantageux que les dents aient des profils à courbures régulières, et une zone d'extrémité suffisamment effilée et orientée dans une direction proche de la direction tangentielle de pivotement du mors de pince, pour assurer la pénétration efficace de ladite zone d'extrémité dans la chevelure.In all cases, it is advantageous for the teeth to have profiles with regular curvatures, and a sufficiently end zone tapered and oriented in a direction close to the tangential direction of the gripper jaw, to ensure effective penetration of said end zone in the hair.

Selon un autre mode de réalisation, les moyens d'articulation relient les premier mors 1 et second mors 3 selon une zone d'extrémité longitudinale 18 illustrée sur la figure 1, autorisant un pivotement des mors 1 et 3 l'un par rapport à l'autre autour d'un axe d'articulation I - I. On réalise ainsi une barrette à cheveux à dents profilées.According to another embodiment, the articulation means connect the first jaws 1 and second jaws 3 according to an end zone longitudinal 18 illustrated in Figure 1, allowing pivoting of jaws 1 and 3 relative to each other around an axis of articulation I - I. A hair clip with profiled teeth is thus produced.

Dans les deux cas, on peut réaliser un article pour chevelure assurant une tenue efficace dans les cheveux en prévoyant, par exemple, trois dents sur chaque mors comme illustré sur les figures. Dans ce cas, les mors peuvent avoir, dans la direction longitudinale ou direction parallèle à l'axe d'articulation 6 sur le mode de réalisation illustré sur les figures, une longueur L comprise entre 9 et 10 cm environ, les dents 21-23 et 41-43 ayant une largeur maximale L1 égale à 12 mm environ et une largeur minimale L2 à la base égale à 10 mm environ, leur épaisseur E étant de 3 mm environ.In both cases, you can make an article for hair ensuring an effective hold in the hair by providing, for example, three teeth on each jaw as illustrated in the figures. In that case, the jaws can have, in the longitudinal direction or direction parallel to the hinge axis 6 on the embodiment illustrated on the figures, a length L of between 9 and 10 cm approximately, the teeth 21-23 and 41-43 having a maximum width L1 equal to approximately 12 mm and a minimum width L2 at the base equal to approximately 10 mm, their thickness E being about 3 mm.

Dans le mode de réalisation illustré plus particulièrement sur les figures 3 et 5, on voit que les leviers 9 et 10 sont fortement inclinés par rapport aux zones de pincement 11 et 12 constituant la partie principale des mors 1 et 3. Grâce à cette inclinaison, on augmente sensiblement les capacités d'ouverture de la pince, permettant la prise d'une masse plus importante de cheveux.In the embodiment illustrated more particularly on Figures 3 and 5, we see that the levers 9 and 10 are strongly inclined with respect to the pinching zones 11 and 12 constituting the part main jaws 1 and 3. Thanks to this inclination, we increase substantially the opening capacity of the clamp, allowing the grip a larger mass of hair.

La présente invention n'est pas limitée aux modes de réalisation qui ont été explicitement décrits, mais elle en inclut les diverses variantes et généralisations contenues dans le domaine des revendications ci-après.The present invention is not limited to the embodiments which have been explicitly described, but it includes the various variants and generalizations contained in the field of claims below.

Claims (10)

Pince à cheveux comprenant : un premier mors (1) muni d'une première série de dents incurvées généralement parallèles (21-23), un second mors (3) muni d'une seconde série de dents incurvées généralement parallèles (41-43), des moyens d'articulation (5) reliant le premier mors (1) et le second mors (3) en autorisant leurs pivotements respectifs l'un par rapport à l'autre autour d'un axe d'articulation (6) entre une position ouverte dans laquelle la première série de dents (21-23) et la seconde série de dents (41-43) sont écartées l'une de l'autre et une position fermée dans laquelle les dents de la première série de dents (21-23) viennent s'imbriquer entre les dents de la seconde série de dents (41-43), caractérisée en ce que : certaines au moins des dents de la première série de dents (21-23) ou de la seconde série de dents (41-43) présentent une largeur (L2) réduite au voisinage de leur base. Hair clip including: a first jaw (1) provided with a first series of generally parallel curved teeth (21-23), a second jaw (3) provided with a second series of generally parallel curved teeth (41-43), articulation means (5) connecting the first jaw (1) and the second jaw (3) allowing their respective pivoting relative to each other about an articulation axis (6) between a position open in which the first set of teeth (21-23) and the second set of teeth (41-43) are spaced from each other and a closed position in which the teeth of the first set of teeth (21- 23) overlap between the teeth of the second series of teeth (41-43), characterized in that: at least some of the teeth of the first series of teeth (21-23) or of the second series of teeth (41-43) have a reduced width (L2) in the vicinity of their base. Pince à cheveux selon la revendication 1, caractérisée en ce que certaines au moins des dents (21) présentent une largeur maximale (L1) dans la zone centrale de la dent (21), ladite largeur allant en décroissant en direction de la base de la dent et en direction de l'extrémité libre (19) de la dent.Hair clip according to claim 1, characterized in that at least some of the teeth (21) have a maximum width (L1) in the central area of the tooth (21), said width going decreasing towards the base of the tooth and towards the free end (19) of the tooth. Pince à cheveux selon l'une des revendications 1 ou 2, caractérisée en ce que certaines au moins des dents (21) ont, à leur base et au voisinage de leur extrémité libre, une largeur (L2, L3) égale à au moins trois fois leur épaisseur (E), et, dans la zone centrale, une largeur (L1) au moins égale à quatre fois leur épaisseur (E).Hair clip according to one of claims 1 or 2, characterized in that at least some of the teeth (21) have, at their base and in the vicinity of their free end, a width (L2, L3) equal to at minus three times their thickness (E), and, in the central area, a width (L1) at least equal to four times their thickness (E). Pince à cheveux selon l'une quelconque des revendications 1 à 3, caractérisée en ce que les dents ont un profil longitudinal incurvé avec, en position fermée de la pince, une zone de base tendant à se développer à l'écart de l'autre mors, et avec une zone d'extrémité tendant à se développer en direction de l'autre mors.Hair clip according to any one of claims 1 to 3, characterized in that the teeth have a curved longitudinal profile with, in the closed position of the clamp, a base area tending to be develop away from the other jaw, and with a tending end area to develop towards the other bit. Pince à cheveux selon l'une quelconque des revendications 1 à 4, caractérisée en ce que les dents (21) à largeur variable comportent une lumière longitudinale médiane (20).Hair clip according to any one of claims 1 4, characterized in that the teeth (21) of variable width have a median longitudinal lumen (20). Pince à cheveux selon l'une quelconque des revendications 1 à 5, caractérisée en ce que, en position fermée de la pince, les dents à largeur variable (21) de la première série de dents (21-23) sont côte à côte avec les dents à largeur variable de la seconde série de dents (41-43) selon leurs zones centrales.Hair clip according to any one of claims 1 5, characterized in that, in the closed position of the pliers, the teeth variable width (21) of the first series of teeth (21-23) are side by rib with the variable width teeth of the second set of teeth (41-43) according to their central zones. Pince à cheveux selon l'une quelconque des revendications 1 à 6, caractérisée en ce que : les moyens d'articulation (5) relient les premier mors (1) et second mors (3) selon leurs zones intermédiaires respectives (7, 8) entre deux leviers de préhension (9, 10) et les zones de pincement (11, 12) munies des première série de dents (21-23) et seconde série de dents (41-43), constituant une pince à cheveux à dents profilées, des moyens élastiques (17) sollicitent en pivotement les mors (1, 3) l'un par rapport à l'autre vers leur position fermée. Hair clip according to any one of Claims 1 to 6, characterized in that: the articulation means (5) connect the first jaws (1) and second jaw (3) according to their respective intermediate zones (7, 8) between two gripping levers (9, 10) and the pinching zones (11, 12 ) provided with the first series of teeth (21-23) and second series of teeth (41-43), constituting a hair clip with profiled teeth, elastic means (17) pivotally bias the jaws (1, 3) relative to each other towards their closed position. Pince à cheveux selon l'une quelconque des revendications 1 à 6, caractérisée en ce que les moyens d'articulation (5) relient les premier et second mors (1, 3) selon leur zone d'extrémité longitudinale (18), constituant une barrette à cheveux à dents profilées.Hair clip according to any one of claims 1 to 6, characterized in that the articulation means (5) connect the first and second jaws (1, 3) according to their longitudinal end zone (18), constituting a hair clip with profiled teeth. Pince à cheveux selon l'une des revendications 7 ou 8, caractérisée en ce que chaque mors (1, 3) comporte trois dents (21-23 ; 41-43).Hair clip according to one of claims 7 or 8, characterized in that each jaw (1, 3) has three teeth (21-23; 41-43). Pince à cheveux selon l'une quelconque des revendications 7 à 9, caractérisée en ce que les mors (1, 3) ont une longueur (L) comprise entre 9 et 10 cm environ, les dents (21-23 ; 41-43) ayant une largeur maximale (L1) égale à 12 mm environ et une largeur minimale à la base (L2) égale à 10 mm environ, leur épaisseur (E) étant de 3 mm environ.Hair clip according to any one of claims 7 to 9, characterized in that the jaws (1, 3) have a length (L) included between 9 and 10 cm approximately, the teeth (21-23; 41-43) having a width maximum (L1) equal to approximately 12 mm and a minimum width at the base (L2) equal to approximately 10 mm, their thickness (E) being approximately 3 mm.
EP98420048A 1997-03-28 1998-03-16 Hair clip with profiled teeth Expired - Lifetime EP0867133B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9704244 1997-03-28
FR9704244A FR2761242B1 (en) 1997-03-28 1997-03-28 PROFILED TOOTH HAIR CLIP

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EP0867133A1 true EP0867133A1 (en) 1998-09-30
EP0867133B1 EP0867133B1 (en) 2000-05-17

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EP (1) EP0867133B1 (en)
DE (1) DE69800147D1 (en)
FR (1) FR2761242B1 (en)

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FR2814347B1 (en) * 2000-09-26 2002-12-06 C S P Diffusion Sa LIGHT JAW HAIR CLIP
EP1353579B1 (en) * 2001-01-26 2004-08-18 Leandro P. Rizzuto Hair ornament with a resilient attaching clip
US6408859B1 (en) * 2001-05-21 2002-06-25 Shyh Ming Shyu Device for styling hair
US20040231692A1 (en) * 2003-05-19 2004-11-25 Shyu Shyh Ming Hair clip having no extending hand grips
US20040231691A1 (en) * 2003-05-19 2004-11-25 Shyu Shyh Ming Hair clip having spring shielding device
US20050016560A1 (en) * 2003-07-21 2005-01-27 Dee Voughlohn Unique hair-styling system and method
US20050087206A1 (en) * 2003-10-23 2005-04-28 Shyu Shyh M. Hair styling device having shielded spring
US20090255553A1 (en) * 2008-04-11 2009-10-15 Wei-Cheng Hsu Hair clip without coil spring
WO2024136637A1 (en) * 2022-12-19 2024-06-27 A.C. Hoogerheide Holding B.V. A device for protecting a tip of an endoscope

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FR755662A (en) 1932-12-24 1933-11-28 Pliers for shaping, maintaining and styling waves
FR770805A (en) 1934-03-27 1934-09-21 Inv S Felix Benca Clamp for maintaining and styling the waves of the hair
FR1049705A (en) * 1952-01-22 1953-12-31 Device for quick drying of hair styling
EP0669088A1 (en) * 1994-02-28 1995-08-30 C.S.P. Diffusion Hair clip with elastic rings

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Publication number Priority date Publication date Assignee Title
FR592049A (en) * 1924-02-26 1925-07-22 Fixing combs used in hair waving and the like
FR755662A (en) 1932-12-24 1933-11-28 Pliers for shaping, maintaining and styling waves
FR770805A (en) 1934-03-27 1934-09-21 Inv S Felix Benca Clamp for maintaining and styling the waves of the hair
FR1049705A (en) * 1952-01-22 1953-12-31 Device for quick drying of hair styling
EP0669088A1 (en) * 1994-02-28 1995-08-30 C.S.P. Diffusion Hair clip with elastic rings

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FR2761242A1 (en) 1998-10-02
EP0867133B1 (en) 2000-05-17
FR2761242B1 (en) 1999-05-07
DE69800147D1 (en) 2000-06-21
US5979467A (en) 1999-11-09

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