EP2111768B1 - Helmet with personalisation means allowing the internal volume to be changed - Google Patents
Helmet with personalisation means allowing the internal volume to be changed Download PDFInfo
- Publication number
- EP2111768B1 EP2111768B1 EP09005343A EP09005343A EP2111768B1 EP 2111768 B1 EP2111768 B1 EP 2111768B1 EP 09005343 A EP09005343 A EP 09005343A EP 09005343 A EP09005343 A EP 09005343A EP 2111768 B1 EP2111768 B1 EP 2111768B1
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- EP
- European Patent Office
- Prior art keywords
- helmet
- head
- user
- casing
- heating
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- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/32—Collapsible helmets; Helmets made of separable parts ; Helmets with movable parts, e.g. adjustable
- A42B3/324—Adjustable helmets
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42C—MANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATS
- A42C2/00—Manufacturing helmets by processes not otherwise provided for
- A42C2/007—Manufacturing custom-sized helmets
Definitions
- the invention relates to a helmet comprising means for protecting the head of a user and means of comfort.
- the invention relates to a helmet for the practice of sports, for example skiing, snowboarding, hockey, football, roller skating. It also relates to a heating machine for adapting the helmet to the morphology of a user.
- a helmet comprises means for protecting the head which protects the skull from shocks that it could undergo when the user falls or when an object is thrown in its direction.
- the protection means may consist of a shell and a damping cap, the shell may be rigid, for example made by molding / injection of a thermoplastic material such as ABS (Acrylonitrile butadiene styrene) or n ' to be that an outer skin having in itself no rigidity, but acquiring therefore that this skin is linked to the cushioning cap.
- the skin can be made by forming a sheet of PVC (Polyvinyl chloride) or PC (Polycarbonate).
- the damping cap is made of an expanded material such as EFS (expanded polystyrene) or polystyrene.
- the helmet is equipped with means of comfort, which may take the form of an internal cap, for example made of foam covered with fabric.
- the document US 6,647,556 proposes to adapt the volume by sliding relative to each other of the different portions constituting the helmet.
- Such a device is difficult to adjust and makes the helmet relatively heavy to wear for the user.
- the document US 5,056,162 discloses a helmet whose energy absorbing layer is plastically deformable to conform to the contour of the user's head.
- the objective of the invention is achieved by providing a helmet comprising means for protecting the head of a user, comfort means placed between the head of the user and said protection means and personalization means arranged between said protection means and said comfort means, said personalization means making it possible to vary the internal volume of the helmet as a function of the morphology of the user.
- said personalization means consist of a thermoplastic envelope, which is heat-thermoformable.
- the envelope is made of a polycarbonate, polyurethane or polypropylene polymer material in which an additive is added in order to lower the softening temperature.
- the proportion of the additive in the material of the envelope is between 30 and 90% of additive, preferably between 50 and 80%.
- the additive is caprolactone.
- said envelope is perforated and comprises openings.
- a free space is provided between said envelope and said head protection means, this free space remaining empty and having a thickness of about 3 mm.
- the space provided between the means for protecting the head and the envelope is filled by a foam of very low density, preferably less than 20 kg / m 3 .
- pads coming from the damping cap pass through the free space and come into contact with the envelope.
- Said means for protecting the head may consist of a shell and a damping cap.
- the figure 1 described in section a helmet 1 according to the invention. It comprises protection means 4 of the user's head. These consist of a shell 2 and a cap 3 damping.
- the shell 2 obtained from the shaping of a polycarbonate sheet, is directly integral with the damping cap 3, made of EPS.
- the fastening of the shell 2 and the cap 3 being made in the expansion mold EPS. This technology is called in-mold technology.
- the helmet 1 is provided with means of comfort which is also called inner cap 5.
- the latter is made, in a known manner, using cushion (s) foam that can be associated with tissues.
- the materials used for the inner cap are generally foams having a density of between 15 and 40 kg / m 3 , preferably between 20 and 30 kg / m 3 .
- the helmet 1 comprises personalization means, which allow an adaptation of the interior volume of the helmet to the shape of the skull of the user.
- These personalization means comprise an envelope 6 placed between the protection means 4 and the comfort means 5.
- the figure 3 represents the helmet envelope of the figure 1 before it is placed there.
- the envelope takes the general shape of the helmet, that is to say the shape of a skull and it can include two litters 9, one placed at the front, the other at the rear.
- the bearings 9 serve to fix the envelope 6 on the protection means 4.
- the envelope is a structure that envelops the entire skull, it is continuous.
- the thickness of the envelope may include areas in which its thickness is different, thinner or thicker. Thus, there are areas of the envelope more or less sensitive to deformation.
- the figure 4 represents an envelope according to a second embodiment of the invention.
- the envelope is not continuous and comprises a plurality of openings 15.
- the presence of the openings 15 facilitates the deformation of the envelope so that it conforms to the shape of the user's skull. Thanks to the openings, we also have a lighter helmet, better airing. On the other hand, the openings allow better management of the adaptability of the helmet.
- the openings 15 may conveniently be placed where the human skull bears least contact with the helmet.
- the envelope 6 described in figure 4 has a scope 9 all around its periphery for better attachment to the cap.
- the envelope 6 described in Figures 2 and 3 is made of a thermoplastic compound whose softening point is low, preferably less than 80 ° C.
- thermoplastic compound used for producing the envelope is a polymeric compound of polycarbonate, polyurethane or polypropylene type to which an additive is added. All these polymers exhibit at room temperature an outfit compatible with their use in a helmet.
- the softening point is defined as the temperature from which the material is malleable.
- the temperature of the softening point is a few tens of degrees lower than the transformation temperature.
- the additive is selected such that it considerably lowers the softening point of the compound.
- caprolactone or caprolactane Good results have been obtained with an additive known as caprolactone or caprolactane, and especially with a product known under the trade name "CAPA 6500. It is a high molecular weight linear polyester derived from caprolactone monomer. Other caprolactone-based polymers may also be suitable.
- This additive has a melting temperature in an area of 60 to 80 ° C.
- the base material in a proportion of between 30 and 90%, preferably between 50 and 80%, it lowers the softening temperature of the base material, in particular of the polymer compound, without significantly altering the mechanical properties of the the envelope, in particular its rigidity, and its aesthetics in the normal conditions of use of the helmet.
- additives may also be suitable provided that they are miscible with the base material during their injection, they have a low melting temperature, preferably below 100 ° C, and their presence in the base material significantly lowers its softening temperature.
- the casing is fixed to the protection means 4 by means of fastening means 10 connecting the bearing surfaces 9 around the cap.
- the fastening means 10 may be of any known type. It can be glue, rivet, staple, etc .
- the introduction of the envelope in the cap 3 is such that a free space 7 is maintained between the surface of the envelope and the inner surface of the cap 3.
- the free space 7 allows the envelope to deform so as to locally increase the internal volume of the helmet.
- a free space 7 is provided between 1 and 5 mm, preferably 3 mm.
- the free space 7 is left empty.
- the free space 7 is filled with a low density foam, for example with a density of less than 20 kg / m3. The presence of the low density foam ensures better holding of the envelope while not impeding the deformation during the personalization process of the helmet.
- FIG. 2 A third embodiment is described in figure 2 . Only a detail view is shown here, the rest being identical to the first embodiment. As can be seen at figure 2 , studs 8 coming from the damping cap 3 pass through the free space 7 and serve as a support zone for the casing 6.
- the studs are distributed on the inner surface of the cap 3 in the regions where there is little or no notice of shape variation of the skull in the user population.
- An undescribed variant of this embodiment is to have removable pads 8 which can be moved on demand on the inner surface of the cap 3.
- the helmet also comprises means of comfort consisting of an inner cap 5 fixed inside the casing 6.
- the inner cap 5 is removably attached by means of self-gripping strips 16.
- the method of personalizing the interior volume of the helmet to adapt to the morphology of a user comprises the following steps.
- the user chooses a helmet at its size, puts it on his head and notes the areas of the inner surface thereof that pose a problem to his comfort. For example, areas where too much pressure is exerted on his skull.
- the inner cap is removed (where possible), and the helmet is heated to a temperature of between 50 ° C and 80 ° C.
- the figure 5 represents the step of heating the helmet 1.
- the helmet is shown from below while the inner cap 5 has been removed. Only the self-gripping strips 16 serving to fix the internal cap are visible.
- the heating means 17 is produced by a hot air blower device such as that known under the trade mark LEISTER.
- the heating means may also be selected from other known devices such as electric furnace, infra-red lamp device. The latter offers the advantage of rapid heating.
- the headform 12 has an outer surface reproducing the shape of a human skull, adjustable elements 13 which allow to modify the shape of said outer surface.
- Each adjustable element 13 is a block that can be displaced radially by means of adjustment means, for example a screw 14.
- the headset is used as soon as the user has defined the areas of the inside of the helmet for which he wants an increase in volume.
- the headset includes the heating means.
- the user puts the helmet on the headset, which is equipped with heating means which bring the envelope 6 to a temperature close to its point softening.
- Those adjustable members 13 which are adjusted to protrude from the outer surface of the headform will then exert pressure on the envelope to deform it.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Helmets And Other Head Coverings (AREA)
Abstract
Description
L'invention concerne un casque comportant des moyens de protection de la tête d'un utilisateur et des moyens de confort. Notamment mais, non exclusivement, l'invention concerne un casque pour la pratique do sports, par exemple du ski, du snowboard, du hockey, du football, du patin à roulettes. Elle concerne également une machine de chauffage pour adapter le casque à la morphologie d'un utilisateur.The invention relates to a helmet comprising means for protecting the head of a user and means of comfort. In particular, but not exclusively, the invention relates to a helmet for the practice of sports, for example skiing, snowboarding, hockey, football, roller skating. It also relates to a heating machine for adapting the helmet to the morphology of a user.
De façon connue, un casque comprend des moyens de protection de la tête qui protège le crâne des chocs qu'il pourrait subir lorsque l'utilisateur fait une chute ou lorsqu'un objet est projeté dans sa direction. Les moyens de protection peuvent être constitués d'une coque et d'une calotte amortissante, la coque pouvant être rigide, par exemple réalisée par moulage/injection d'une matière thermoplastique telle que l'ABS (Acrylonitrile butadiène styrène) ou encore n'être qu'une peau extérieure n'ayant en soi pas de rigidité, mais en acquérant dès lors que cette peau est liée à la calotte amortissante. Par exemple la peau peut être réalisée par mise en forme d'une feuille de PVC (Polyvinyl chloride) ou de PC (Polycarbonate).In a known manner, a helmet comprises means for protecting the head which protects the skull from shocks that it could undergo when the user falls or when an object is thrown in its direction. The protection means may consist of a shell and a damping cap, the shell may be rigid, for example made by molding / injection of a thermoplastic material such as ABS (Acrylonitrile butadiene styrene) or n ' to be that an outer skin having in itself no rigidity, but acquiring therefore that this skin is linked to the cushioning cap. For example, the skin can be made by forming a sheet of PVC (Polyvinyl chloride) or PC (Polycarbonate).
De manière courante, la calotte amortissante est réalisée dans un matériau expansé tel que EFS (Polystyrène expansé) ou encore polystyrène.Usually, the damping cap is made of an expanded material such as EFS (expanded polystyrene) or polystyrene.
Afin de garantit un bon confort à l'utilisateur, on équipe le casque de moyens de confort, ceux-ci pouvant prendre la forme d'une coiffe interne par exemple faite de mousse recouverte de tissu.In order to guarantee good comfort for the user, the helmet is equipped with means of comfort, which may take the form of an internal cap, for example made of foam covered with fabric.
Pour permettre une adaptation du volume interne du casque à la tête de l'utilisateur, de nombreux dispositifs sont connus de l'art antérieur.To allow an adaptation of the internal volume of the helmet to the user's head, many devices are known from the prior art.
Par exemple, le document
Un autre exemple est donné par le document
Le document
En effet et cela est vrai pour tout les dispositifs d'adaptation de volume, il faut à tout prix éviter que le casque exerce localement une surpression sur la tête de l'utilisateur.Indeed and this is true for all volume adaptation devices, it is necessary at all costs to avoid that the headset locally exerts an overpressure on the head of the user.
Compte-tenu des inconvénients de l'art antérieur, il existe un besoin de proposer un casque, notamment pour la pratiqua sportive, qui comporte des moyens de personnalisation de son volume intérieur, qui soient faciles d'utilisation, peu volumineux, peu coûteux et qui s'adaptent à tous types de forme du crâne.Given the disadvantages of the prior art, there is a need to provide a helmet, especially for sports practice, which includes means of customizing its interior volume, which are easy to use, small, inexpensive and which adapt to all types of skull shape.
L'objectif de l'invention est atteint par la fourniture d'un casque comprenant des moyens de protection de la tête d'un utilisateur, des moyens de confort placés entre la tête de l'utilisateur et lesdits moyens de protection et des moyens de personnalisation disposés entre lesdits moyens de protection et lesdits moyens de confort, lesdits moyens de personnalisation permettant de faire varier le volume intérieur du casque en fonction de la morphologie de l'utilisateur.The objective of the invention is achieved by providing a helmet comprising means for protecting the head of a user, comfort means placed between the head of the user and said protection means and personalization means arranged between said protection means and said comfort means, said personalization means making it possible to vary the internal volume of the helmet as a function of the morphology of the user.
Avantageusement, lesdits moyens de personnalisation sont constitués par une enveloppe thermoplastique, laquelle est thermoformable à chaud.Advantageously, said personalization means consist of a thermoplastic envelope, which is heat-thermoformable.
Avantageusement, l'enveloppe est réalisée dans un matériau polymère de type polycarbonate, polyuréthane ou polypropylène dans lequel un additif est rajouté afin d'en abaisser la température de ramollissement.Advantageously, the envelope is made of a polycarbonate, polyurethane or polypropylene polymer material in which an additive is added in order to lower the softening temperature.
Avantageusement, la proportion de l'additif dans le matériau de l'enveloppe est comprise entre 30 et 90% d'additif, de préférence comprise entre 50 et 80%.Advantageously, the proportion of the additive in the material of the envelope is between 30 and 90% of additive, preferably between 50 and 80%.
Avantageusement, l'additif est du caprolactone.Advantageously, the additive is caprolactone.
Dans un mode de réalisation de l'invention, ladite enveloppe est ajourée et comprend des ouvertures.In one embodiment of the invention, said envelope is perforated and comprises openings.
Dans un mode de réalisation de l'invention, un espace libre est ménagé entre ladite enveloppe et lesdits moyens de protection de la tête, cet espace libre restant vide et pouvant avoir une épaisseur d'environ 3 mm.In one embodiment of the invention, a free space is provided between said envelope and said head protection means, this free space remaining empty and having a thickness of about 3 mm.
Dans un autre mode de réalisation de l'invention, l'espace ménagé entre les moyens de protection de la tête et l'enveloppe est comblée par une mousse de très faible densité, de préférence inférieure à 20 kg/m3.In another embodiment of the invention, the space provided between the means for protecting the head and the envelope is filled by a foam of very low density, preferably less than 20 kg / m 3 .
Dans un autre mode de réalisation de l'invention, des plots issus de la calotte d'amortissement traversent l'espace libre et viennent au contact de l'enveloppe.In another embodiment of the invention, pads coming from the damping cap pass through the free space and come into contact with the envelope.
Lesdits moyens de protection de la tête peuvent être constitués par une coque et une calotte d'amortissement.Said means for protecting the head may consist of a shell and a damping cap.
L'objectif de l'invention est également obtenu par la mise en place d'une méthode de personnalisation du volume intérieur d'un casque pour l'adapter à la morphologie d'un utilisateur, ledit casque comprenant des moyens de protection de la tête d'un utilisateur, lesdits moyens de protection comportant une surface extérieure et une surface intérieure; des moyens de confort placés entre la tête de l'utilisateur et ladite surface intérieure et des moyens de personnalisation disposés entre lesdits moyens de protection et lesdits moyens de confort, ladite méthode comportant les étapes suivantes:
- définition des zones intérieures du casque pour lesquelles la morphologie de l'utilisateur nécessite une augmentation du volume,
- chauffage du casque à une température inférieure à 80°C,
- mise en place dans le casque chauffé de la tête de l'utilisateur ou d'une fausse-tête, ladite fausse-tête étant adaptable et modifiable pour suivre au plus près la forme de la tête dudit utilisateur.
- defining the inner areas of the helmet for which the morphology of the user requires an increase in volume,
- heating the helmet at a temperature below 80 ° C,
- placing in the heated helmet of the head of the user or a headset, said headform being adaptable and modifiable to closely follow the shape of the head of said user.
L'invention sera mieux comprise à la lecture de la description qui suit, à laquelle est annexé le dessin et dans lequel :
- la
figure 1 est une vue en coupe du casque selon un premier mode de réalisation de l'invention, - la
figure 2 est une vue en coupe partielle d'un casque selon un troisième mode de réalisation, - la
figure 3 est une vue en perspective de l'enveloppe selon le premier mode de réalisation de l'invention, - la
figure 4 est une vue en perspective d'une enveloppe selon un deuxième mode de réalisation de l'invention, - la
figure 5 est une vue montrant l'étape de chauffage du casque, - la
figure 6 est une vue montrant l'étape de mise en forme de l'enveloppe selon l'invention, - la
figure 7 est une vue en perspective d'une fausse-tête utilisée dans l'étape de mise en forme de l'enveloppe et / ou de chauffage selon l'invention.
- the
figure 1 is a sectional view of the helmet according to a first embodiment of the invention, - the
figure 2 is a partial sectional view of a helmet according to a third embodiment, - the
figure 3 is a perspective view of the envelope according to the first embodiment of the invention, - the
figure 4 is a perspective view of an envelope according to a second embodiment of the invention, - the
figure 5 is a view showing the step of heating the helmet, - the
figure 6 is a view showing the shaping step of the envelope according to the invention, - the
figure 7 is a perspective view of a headform used in the shaping step of the envelope and / or heating according to the invention.
La
On notera que la réalisation des moyens de protection n'est qu'un parmi d'autre sans qu'il s'agisse d'une limitation de la portée de l'invention. En effet on pourra tout aussi bien prévoir des moyens de protection réalisés par assemblage collé, clipsé, agrafé....d'une coque rigide et d'une calotte amortissante.It will be noted that the realization of the means of protection is only one among others without it being a limitation of the scope of the invention. Indeed we can equally provide protection means made by glued assembly, clipped, stapled .... of a rigid shell and a damping cap.
Afin d'améliorer le confort de l'utilisateur, le casque 1 est pourvu de moyens de confort qu'on appelle également coiffe interne 5. Cette dernière est réalisée, de façon connue, à l'aide de coussin(s) de mousse pouvant être associé à des tissus.In order to improve the comfort of the user, the
Les matériaux utilisés pour la coiffe interne sont généralement des mousses ayant une densité comprise entre 15 et 40 kg/m3, de préférence comprise entre 20 et 30 kg/m3.The materials used for the inner cap are generally foams having a density of between 15 and 40 kg / m 3 , preferably between 20 and 30 kg / m 3 .
Conformément à l'invention, le casque 1 comprend des moyens de personnalisation, lesquels permettent une adaptation du volume intérieur du casque à la forme du crâne de l'utilisateur. Ces moyens de personnalisation comprennent une enveloppe 6 placée entre les moyens de protection 4 et les moyens de confort 5.According to the invention, the
La
Dans le premier mode de réalisation, l'enveloppe est une structure qui enveloppe la totalité du crâne, elle est continue. L'épaisseur de l'enveloppe peut comprendre des zones dans lesquelles, son épaisseur est différente, plus fine ou plus épaisse. Ainsi, on dispose de zones de l'enveloppe plus ou moins sensibles à la déformation.In the first embodiment, the envelope is a structure that envelops the entire skull, it is continuous. The thickness of the envelope may include areas in which its thickness is different, thinner or thicker. Thus, there are areas of the envelope more or less sensitive to deformation.
La
Les ouvertures 15 peuvent judicieusement être placées aux endroits où le crâne humain supporte le moins le contact avec le casque.The
L'enveloppe 6 décrite à la
Conformément à l'invention, l'enveloppe 6 décrite aux
Le composé thermoplastique servant à la réalisation de l'enveloppe est un composé polymère de type polycarbonate, polyuréthane ou polypropylène auquel on ajoute un additif. Tous ces polymères présentent à température ambiante une tenue compatible avec leur utilisation dans un casque.The thermoplastic compound used for producing the envelope is a polymeric compound of polycarbonate, polyurethane or polypropylene type to which an additive is added. All these polymers exhibit at room temperature an outfit compatible with their use in a helmet.
Lorsqu'ils sont utilisés seuls, ces composés polymère ont des points de ramollissement relativement élevés. Le point de ramollissement est défini comme la température à partir de laquelle la matière est malléable. La température du point de ramollissement est inférieure de quelques dizaines de degrés de la température de transformation. Quelques exemples de température de transformation: polycarbonate (285°C - 300°C), polyuréthane (210°C - 230°C), polypropylène (220°C - 230°C).When used alone, these polymeric compounds have relatively high softening points. The softening point is defined as the temperature from which the material is malleable. The temperature of the softening point is a few tens of degrees lower than the transformation temperature. Some examples of processing temperature: polycarbonate (285 ° C - 300 ° C), polyurethane (210 ° C - 230 ° C), polypropylene (220 ° C - 230 ° C).
On choisit l'additif de telle façon qu'il fasse baisser considérablement le point de ramollissement du composé.The additive is selected such that it considerably lowers the softening point of the compound.
On a obtenu de bons résultats avec un additif connu sous le nom de caprolactone ou caprolactane, et notamment avec un produit connu sous la dénomination commerciale "CAPA 6500. Il s'agit d'un polyester linéaire à haut poids moléculaire dérivé de monomère caprolactone. D'autres polymères à base de caprolactone pourraient également convenir.Good results have been obtained with an additive known as caprolactone or caprolactane, and especially with a product known under the trade name "CAPA 6500. It is a high molecular weight linear polyester derived from caprolactone monomer. Other caprolactone-based polymers may also be suitable.
Cet additif a une température de fusion dans une zone de 60 à 80°C. Mélangé à la matière de base dans une proportion comprise entre 30 et 90%, de préférence entre 50 et 80%, il abaisse la température de ramollissement de la matière de base, notamment du composé polymère, sans altérer de façon significative les propriétés mécaniques de l'enveloppe, en particulier sa rigidité, et son esthétique dans les conditions normales d'utilisation du casque.This additive has a melting temperature in an area of 60 to 80 ° C. Mixed with the base material in a proportion of between 30 and 90%, preferably between 50 and 80%, it lowers the softening temperature of the base material, in particular of the polymer compound, without significantly altering the mechanical properties of the the envelope, in particular its rigidity, and its aesthetics in the normal conditions of use of the helmet.
D'autres additifs peuvent aussi convenir pourvu qu'ils soient miscibles avec la matière de base lors de leur injection, qu'ils aient une température de fusion basse, de préférence inférieure à 100°C, et que leur présence dans la matière de base abaisse de façon significative sa température de ramollissement.Other additives may also be suitable provided that they are miscible with the base material during their injection, they have a low melting temperature, preferably below 100 ° C, and their presence in the base material significantly lowers its softening temperature.
Comme on peut le voir à la
Avantageusement, la mise en place de l'enveloppe dans la calotte 3 est telle qu'un espace libre 7 est maintenu entre la superficie de l'enveloppe et la superficie intérieure de la calotte 3.Advantageously, the introduction of the envelope in the cap 3 is such that a
L'espace libre 7 permet à l'enveloppe de se déformer de façon à augmenter localement le volume intérieur du casque. On prévoit un espace libre 7 faisant entre 1 et 5 mm, de préférence 3 mm.The
Dans le premier mode de réalisation, l'espace libre 7 est laissé vide. Dans un troisième mode de réalisation de l'invention, l'espace libre 7 est comblé par une mousse à faible densité, par exemple à densité inférieure à 20 kg/m3. La présence de la mousse à faible densité garantit une meilleure tenue de l'enveloppe tout en n'en gênant pas la déformation lors du processus de personnalisation du casque.In the first embodiment, the
On pourra également prévoir que différentes zones de la superficie de l'espace libre soient comblées par des mousses de densité légèrement différentes. Ainsi dans les zones où le soutien est nécessaire, une mousse plus dense, et offrant plus de soutien serait mise en place.It may also be provided that different areas of the area of the free space are filled with slightly different density foams. So in areas where support is needed, a denser, more supportive foam would be put in place.
Un troisième mode de réalisation est décrit à la
Bien entendu, les plots sont répartis sur la surface intérieure de la calotte 3 dans les régions où l'on a remarqué peu, ou pas, de variation de forme du crâne dans la population des utilisateurs.Of course, the studs are distributed on the inner surface of the cap 3 in the regions where there is little or no notice of shape variation of the skull in the user population.
Une variante non décrite de ce mode de réalisation consiste à avoir des plots 8 amovibles qui peuvent être déplacés à la demande sur la surface intérieure de la calotte 3.An undescribed variant of this embodiment is to have removable pads 8 which can be moved on demand on the inner surface of the cap 3.
Le casque comprend également des moyens de confort consistant en une coiffe interne 5 fixée à l'intérieur de l'enveloppe 6. La coiffe interne 5 est fixée de façon amovible grâce à des bandes auto-agrippantes 16.The helmet also comprises means of comfort consisting of an
Conformément à l'invention, la méthode de personnalisation du volume intérieur du casque pour l'adapter à la morphologie d'un utilisateur comprend les étapes suivantes.According to the invention, the method of personalizing the interior volume of the helmet to adapt to the morphology of a user comprises the following steps.
L'utilisateur choisit un casque à sa taille, l'enfile sur sa tête puis note les zones de la surface intérieure de celui-ci qui posent problème à son confort. Par exemple, les zones où une pression trop importante est exercée sur son crâne.The user chooses a helmet at its size, puts it on his head and notes the areas of the inner surface thereof that pose a problem to his comfort. For example, areas where too much pressure is exerted on his skull.
Une fois qu'ont été définies les zones pour lesquelles une augmentation du volume est nécessaire, la coiffe interne est retirée (lorsque c'est possible), puis le casque est chauffé à une température comprise entre 50°C et 80°C. La
Le moyen de chauffage pourra également être choisi parmi d'autres dispositifs connus tels que four électrique, dispositif à lampe infra-rouge. Ce dernier offrant l'avantage de la rapidité de chauffage.The heating means may also be selected from other known devices such as electric furnace, infra-red lamp device. The latter offers the advantage of rapid heating.
Enfin, on replace la coiffe interne (lorsqu'elle a été retirée), puis on met en place le casque sur la tête en position d'utilisation, c'est-à-dire jugulaire 11 fermée comme cela est visible à la
Dans une méthode alternative de personnalisation du volume du casque, on utilise une fausse-tête 12 pour réaliser la déformation de l'enveloppe 6 lorsque cette dernière est chauffée.In an alternative method of customizing the volume of the helmet, using a
Un exemple de fausse-tête 12 est décrit à la
Chaque élément réglable 13 est un pavé pouvant être déplacé radialement grâce à un moyen de réglage, par exemple une vis 14.Each
Dans la méthode alternative de personnalisation, la fausse-tête est utilisée dès que l'utilisateur a défini les zones de l'intérieur du casque pour lesquelles il désire une augmentation de volume.In the alternative method of personalization, the headset is used as soon as the user has defined the areas of the inside of the helmet for which he wants an increase in volume.
Alors il peut régler la fausse-tête en conséquence, puis y poser le casque chauffé afin que les zones définies puissent être déformées par les éléments réglables 13.Then he can adjust the headset accordingly, then put on the heated helmet so that the defined areas can be deformed by the
Dans une autre version, la fausse-tête comprend les moyens de chauffage. Dans cette version, après avoir défini les zones pour lesquelles il désire une augmentation de volume, l'utilisateur pose le casque sur la fausse-tête, laquelle est équipée de moyens de chauffage qui amènent l'enveloppe 6 à une température proche de son point de ramollissement. Ceux des éléments réglables 13 qui sont réglés de façon à faire saillie depuis la surface extérieure de la fausse-tête vont alors exercer une pression sur l'enveloppe pour la déformer.In another version, the headset includes the heating means. In this version, after having defined the areas for which it desires an increase in volume, the user puts the helmet on the headset, which is equipped with heating means which bring the
Claims (8)
- Helmet (1) comprising protective means (4) for protecting the head of a user and comfort means (5) placed between the head of the user and the said protective means (4), also comprising personalization means placed between the said protective means (4) and the said comfort means (5), the said means consisting of a casing (6) that is thermoplastic, heat thermoformable, and made of a polymer of the polycarbonate, polyurethane or polypropylene type in which an additive is added in order to reduce the softening temperature thereof, characterized in that the said additive is a caprolactone and in that a free space (7) is arranged between the said casing (6) and the said protective means (4) for protecting the head, this space (7) having a thickness of between 2 and 5 mm, preferably approximately equal to 3 mm.
- Helmet (1) according to Claim 1, characterized in that the proportion of the additive in the material of the casing (6) is between 30 and 90% additive, preferably between 50 and 80%.
- Helmet (1) according to one of Claims 1 and 2, characterized in that the free space (7) arranged between the protective means (4) for protecting the head and the casing (6) is filled by a foam of very light density, preferably less than 20 kg/m3.
- Helmet (1) according to one of Claims 1 to 3, characterized in that pads (8) protruding from the shock-resistant skull covering (3) traverse the free space (7) and come into contact with the casing (6).
- Method for personalizing the inner volume of a helmet (1) in order to adapt it to the morphology of a user, the said helmet (1) comprising protective means (4) for protecting the head of a user, the said protective means comprising an outer surface and an inner surface; comfort means (5) placed between the head of the user and the said inner surface and personalization means placed between the said protective means and the said comfort means, the said personalization means consisting of a thermoplastic casing (6), a free space with a thickness of between 2 and 5 mm being arranged between the said casing (6) and the said protective means (4) for protecting the head, the said method comprising the following steps:- definition of the inner zones of the helmet for which the morphology of the user requires an increase in the volume,- heating of the casing (6) to a temperature of less than 80°C,- placement in the heated casing (6) of a dummy head (12), the said dummy head (12) being able to be adapted and modified in order to follow as closely as possible the shape of the head of the said user.
- Method for personalizing the inner volume of a helmet (1) according to Claim 5, characterized in that the heating is carried out by one of the following means:- heating means (17) of the hot-air blower type, heating means of the oven type or heating means of the infrared lamp type.
- Method for personalizing the inner volume of a helmet (1) according to one of Claims 5 and 6, characterized in that the comfort means (5) are removed before the heating phase and the latter are replaced before the insertion of the dummy head (12).
- Method for personalizing the inner volume of a helmet (1) according to Claim 5, characterized in that the heating means (17) consist of a heating device incorporated into the dummy head (12).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0802303A FR2930408B1 (en) | 2008-04-24 | 2008-04-24 | HELMET WITH MEDIUM OF PERSONALIZATION FOR VARIATION OF THE INTERNAL VOLUME |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2111768A1 EP2111768A1 (en) | 2009-10-28 |
EP2111768B1 true EP2111768B1 (en) | 2011-12-21 |
Family
ID=40076803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09005343A Not-in-force EP2111768B1 (en) | 2008-04-24 | 2009-04-15 | Helmet with personalisation means allowing the internal volume to be changed |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090265840A1 (en) |
EP (1) | EP2111768B1 (en) |
AT (1) | ATE537720T1 (en) |
DK (1) | DK2111768T3 (en) |
FR (1) | FR2930408B1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120255096A1 (en) * | 2011-04-11 | 2012-10-11 | Wesley Corporation | Protective sports equipment and methods of making same |
FR3009167B1 (en) * | 2013-08-05 | 2016-01-01 | Salomon Sas | HELMET |
EP2853168B1 (en) * | 2013-09-26 | 2016-09-21 | Strategic Sports Limited | Helmet with pivotable shield |
US11033796B2 (en) * | 2016-07-20 | 2021-06-15 | Riddell, Inc. | System and methods for designing and manufacturing a bespoke protective sports helmet |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3161293A (en) * | 1963-05-13 | 1964-12-15 | My Double Company Inc | Hat stand |
IT941581B (en) * | 1971-01-28 | 1973-03-10 | Grifoni R | MANNEQUIN HEAD TO DRY WIGS |
US4019505A (en) * | 1974-09-30 | 1977-04-26 | Norman S. Blodgett | Method of forming an orthopedic cast |
US4239106A (en) * | 1979-01-11 | 1980-12-16 | Gentex Corporation | Individually fitted helmet and method of and apparatus for making the same |
US4345338A (en) * | 1979-10-05 | 1982-08-24 | Gentex Corporation | Custom-fitted helmet and method of making same |
US4412358A (en) * | 1980-03-24 | 1983-11-01 | Gentex Corporation | Individually fitted helmet liner and method of making same |
US4432099A (en) * | 1982-07-09 | 1984-02-21 | Gentex Corporation | Individually fitted helmet liner |
BE905981A (en) * | 1986-12-19 | 1987-06-19 | Ponnet Tom | Polycaprolactone-polyurethane blends - are elastic when hot and used e.g. for orthopaedic and medical use |
US5151315A (en) * | 1986-10-08 | 1992-09-29 | Ponnet Tom P M G | Composite material for medical or paramedical particularly orthopaedic use and method for manufacturing it |
US5056162A (en) * | 1990-06-07 | 1991-10-15 | Kaiser Aerospace & Electronics Corporation | Form-fitting, energy-absorbing material and method for making the same |
DE10020300A1 (en) | 2000-04-26 | 2001-10-31 | Plim Cooperation Ltd | Adjustable helmet, particularly for cyclist, has at least one longitudinal rail arranged over top and two end pieces, one being fitted over face and one back of head |
US20040250340A1 (en) * | 2003-02-05 | 2004-12-16 | Dennis Piper | Protective headguard |
US7089602B2 (en) * | 2003-06-30 | 2006-08-15 | Srikrishna Talluri | Multi-layered, impact absorbing, modular helmet |
US6883181B2 (en) * | 2003-07-08 | 2005-04-26 | Gentex Corporation | Adjustable padset for protective helmet |
NO323512B1 (en) * | 2004-04-07 | 2007-06-04 | Crescendo As | Stop mold for making a helmet lining. |
US20060059605A1 (en) * | 2004-09-22 | 2006-03-23 | Xenith Athletics, Inc. | Layered construction of protective headgear with one or more compressible layers of thermoplastic elastomer material |
FR2888729B1 (en) | 2005-02-04 | 2007-10-19 | Skimeter Sarl | REMOVABLE PADDING MODULE FOR PROTECTIVE HELMETS AND HELMETS EQUIPPED WITH SUCH A PADDING MODULE |
US7802320B2 (en) * | 2005-06-30 | 2010-09-28 | Morgan Don E | Helmet padding |
-
2008
- 2008-04-24 FR FR0802303A patent/FR2930408B1/en not_active Expired - Fee Related
-
2009
- 2009-04-15 AT AT09005343T patent/ATE537720T1/en active
- 2009-04-15 EP EP09005343A patent/EP2111768B1/en not_active Not-in-force
- 2009-04-15 DK DK09005343.0T patent/DK2111768T3/en active
- 2009-04-23 US US12/428,993 patent/US20090265840A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
FR2930408A1 (en) | 2009-10-30 |
US20090265840A1 (en) | 2009-10-29 |
ATE537720T1 (en) | 2012-01-15 |
EP2111768A1 (en) | 2009-10-28 |
DK2111768T3 (en) | 2012-04-16 |
FR2930408B1 (en) | 2011-02-11 |
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