EP1541047A1 - Modular helmet - Google Patents

Modular helmet Download PDF

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Publication number
EP1541047A1
EP1541047A1 EP04028172A EP04028172A EP1541047A1 EP 1541047 A1 EP1541047 A1 EP 1541047A1 EP 04028172 A EP04028172 A EP 04028172A EP 04028172 A EP04028172 A EP 04028172A EP 1541047 A1 EP1541047 A1 EP 1541047A1
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EP
European Patent Office
Prior art keywords
helmet
shell
arch
helmet according
helmets
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.)
Withdrawn
Application number
EP04028172A
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German (de)
French (fr)
Inventor
Pierre Desarmaux
Hervé Favre-Felix
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.)
Salomon SAS
Original Assignee
Salomon SAS
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Filing date
Publication date
Application filed by Salomon SAS filed Critical Salomon SAS
Publication of EP1541047A1 publication Critical patent/EP1541047A1/en
Withdrawn legal-status Critical Current

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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
    • A42B3/326—Helmets with movable or separable chin or jaw guard
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/16—Ear protection devices
    • 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

Definitions

  • the present invention relates to helmets for protecting the head of a user for sports practices.
  • the invention relates to helmets for skiing, snowboarding, cycling, skateboarding, rollerblading, kayaking.
  • Such helmets are mandatory in sports practices such as mountain bike, ski racing, speed skating or roller skating called “aggressive”.
  • sports practices such as mountain bike, ski racing, speed skating or roller skating called “aggressive”.
  • the use of such headphones is also highly recommended for recreational cycling and skiing.
  • a first of these techniques is that widely used for the manufacture of moped helmets and motorcycles and for some ski helmets.
  • a rigid shell or cap and relatively thin, is produced by injection (PC, ABS) or by any other suitable means (for example by stratifying different layers of fabric impregnated with resin).
  • This hull is then filled with elements of comfort and / or damping comprising a sub-cap of expanded polystyrene (EPS), foams, fabrics.
  • EPS expanded polystyrene
  • such a helmet can cover the entire skull of the user, but also the ears, or even the jaw of the user.
  • this technique it is easy to achieve mass production and costs reasonable one-piece hulls that have a wrap maximum of the head. Indeed after injection of the hull, even when this one is very enveloping, it keeps a certain deformability allowing the release.
  • the disadvantage of this technique is that the helmets as well realized are rather heavy. But the weight of a helmet is a criterion determining not only for the competition but also for leisure practices where the user will have the impression that his or her helmet is heavy, the less he will want to wear it.
  • in-mold that is to say, "in the mold”.
  • the helmet is made in the same mold.
  • the helmet is equipped a chinstrap, possibly a comfort lining and others accessories.
  • the outer skin of the helmet called “microshell”.
  • This skin may for example be a leaf of polycarbonate.
  • This sheet is thermoformed to take the final form of the outer surface of the helmet.
  • This sheet is thin ( ⁇ 1 mm in general). After deburring and cutting, it is placed in the mold with a material of polystyrene type. The heat and the steam introduced into the mold trigger the expansion of polystyrene until it occupies all the mold volume, and binds to the polycarbonate sheet.
  • helmet At demolding, helmet consists of a thick overmolded expanded polystyrene shell on an outer skin. Such a helmet has no flexibility and it is why, unless you use expensive molds, you do not make that technical than light helmets whose enveloping surface does not does not include the ear coverage area. For example, if we approximates the enveloping surface of a helmet to a sphere, it is said that this technique avoids having an enveloping surface that does not can be contained in a half-sphere. In practice, we use rather this technique for summer helmets whose hull does not include parts protecting the ears.
  • a means used for the decoration of a helmet is to place in the mold several leaves, each of different color. After the passage in the mold and the expansion of the polystyrene, the helmet will present portions of its outer surface of different colors.
  • This technique of decoration also has its limits in terms of the quality of the finish because, given the imprecision of the positioning of the leaves in the mold, it is necessary to provide a large clearance (several millimeters) between the two leaves. On the finished product, expanded polystyrene will remain visible between the two colored leaves and the border between the two leaves will be irregular.
  • the objective of the present invention is to provide a helmet whose manufacturing is devoid of the aforementioned drawbacks.
  • the objective of the invention is also to provide a range of helmets intended for different uses but whose manufacture and development is less expensive.
  • the objective of the invention is also to provide a helmet that can to be used in different sports practices.
  • a helmet that has a rigid shell made of an expanded polystyrene material molded onto a skin outside and comprising a rigid arch which has an arch headband applied to said shell and both ends of which are equipped of ear covering devices.
  • a helmet that comprises a shell and a plurality of additional elements, each provided for the use of the helmet during a sporting practice particular or special atmospheric conditions.
  • the rigid shell is obtained according to the so-called technology "in-mold", which allows the realization of a relatively lighter hull than in the case of a traditional construction of a rigid injected shell.
  • FIG 1 depicts a helmet that includes a shell 2 obtained by the in-mold technology. This one is made of an expanded polystyrene cap overmolded on an outer skin 3.
  • the outer skin 3 also called “microshell”, is pierced with ears 6 placed in correspondence with openings in the polystyrene cap. These ears 6 allow fresh air intake inside the helmet.
  • the hull has a throat 4 which crosses its outer surface from side to side from the temporal area left to the right temporal zone (visible in Figure 1). This throat 4 which constitutes a slight recess of the outer surface of the helmet is provided to receive the bow 7.
  • the helmet is retained on the head of the user, thanks to a chinstrap 5 consisting of a set of straps flexible comprising on each of the sides of the helmet a jugular strap before 8, a rear chinstrap 9 that join together to form the jugular proper.
  • a chinstrap 5 consisting of a set of straps flexible comprising on each of the sides of the helmet a jugular strap before 8, a rear chinstrap 9 that join together to form the jugular proper.
  • the internal cladding of the helmet is not visible in this figure and will be described later.
  • Figure 2 depicts the same helmet as Figure 1, which has been arch 7.
  • the arch 7 is embedded in the groove 4 and is fixed on the shell.
  • At both ends of the arch are fixed two cover devices 10. Only the one on the right is visible in figure 2. They are consisting of foam cushions covered with a fabric.
  • Fixing the hoop to the hull can of course be done by any appropriate means permanent or not.
  • a fastener that can be detached and replaced by the user himself, for example by using screws associated with inserts or snaps to allow the user to wear his headphones with or without ear covering devices.
  • FIG. 3 describes a helmet whose hull is identical to that of the Figure 1.
  • a headband 11 is embedded in the groove 4. This arch is described independently and in perspective in Figure 4. It is consisting of a band 12 which extends at its ends by wings 13.
  • the strip 12 and the wings 13 constitute a single piece made by injection of a plastic material.
  • FIG. 5 shows a sectional view of the helmet shown in Figure 3.
  • the shell 2 consists of a polystyrene cap 15 covered with the 3. It should be noted that for the sake of clarity of the drawing, the thicknesses of the different pieces are not to scale. So the skin outer 3 actually has a thickness generally less than 1 millimeter.
  • the bow-ear 11 belt the hull. His headband 12 is applied against the outer skin 3 and is attached to it by any means appropriate, permanent or not. Beyond the band 12, the arch extends in two wings 13 which are substantially oriented towards the inside of the volume helmet to ensure a more snug wrapping of the head and particular of the region of the ears.
  • the band 12 and the wings 13 are part in one and the same room. On these wings 13 are fixed the devices of ear covering 10. When assembling the hoop 11 on the hull 2, the bow is deformed elastically so as to move the wings 13 towards outside.
  • the helmet is on the other hand provided with an inner lining 14 which is disposed inside the shell 2 so as to be in contact with the head of the carrier.
  • the dressing provides a comfort function and a function of keep the helmet on the head. It is formed of foam elements fabric-wrapped and is disposed fixedly or removably within the shell for example by means of Velcro strips.
  • FIG. 6 describes another helmet whose shell 2 is identical to that helmets previously described so far.
  • This shell 2 is associated with a chinstrap 16 whose band is embedded in the throat 4 arranged on the outer skin 3 of the shell.
  • the chinstring 16 is stuck on the outer skin 3.
  • the chinstrap 16 is described independently and in perspective at Figure 7. It comprises a band 12, two wings 13 and a chin strap 17.
  • the chin guard 17 protects the jaw and face in the practices most risky sports such as mountain biking downhill.
  • wing level 13 are fixed ear covering devices consisting of a foam cushion wrapped with fabric.
  • the cushion has substantially an annular shape so that a cavity giving the ear more ease be created and also not to interfere with the hearing.
  • the wings 13 are, on the other hand on the other hand, pierced with a plurality of holes to facilitate hearing.
  • the hoop-chin guard 16 is a monoblock piece obtained by injection. To be able to be put in place it is necessary to deform it elastically by spreading the wings apart from each other. In case the material chosen to achieve the hoop-chin guard would not be sufficiently elastically deformable, one can imagine a separation in two pieces of the headband 12.
  • the hoop-mentioned 16 is equipped with means of retaining the strap of a vision mask (not shown). These means have the form a hook 22 that prevents the strap of a mask from sliding upwards on the outer surface of the helmet.
  • the purchase of a single helmet shell such as the one of FIG. 1 and a plurality of arches 7, 11, 16 will allow it to multiple uses and multiple practices, provided that the different hoops 7, 11, 16 are releasably secured to the user to exchange them. So for a little dangerous sport practiced by time hot, the helmet is used without hoop, use leisure skiing will be done with the single arch 7 which guarantees the thermal protection of the ears while that the practice of ski racing will be done with the bow-ear 11 or even with the chinstrap 16.
  • FIGs 8, 9 and 10 describe a range of three helmets according to a alternative embodiment of the invention.
  • the hull 2 includes a single block of expanded polystyrene overmolded on two sheets of polycarbonate.
  • the first sheet 18 covers the top of the skull and is C1 color.
  • the second sheet 19 covers the nape and is C2 colored.
  • the simple hoop 7, at both ends of which are fixed cover devices 10 is placed on the shell so as to cover the edge of each two sheets 18 and 19 at the separation between them. So the separation between the different colors is clear and precise in the extent where it is made by the edges of the band 12.
  • Figure 9 shows the helmet equipped with a bow-ear 11
  • This one includes a strip 12 similar to that of the single bow 7 of the helmet described in Figure 8, which extends at both ends by wings 13.
  • the hull 2 has a first color C1 above the strip 12 and a second color C2 below it.
  • Figure 10 shows an integral helmet made on the basis of a hull identical to that of the helmets of Figures 8 and 9.
  • the shell 2 also receives a visor 20.
  • FIGS 11, 12 and 13 show a range of three helmets according to another alternative embodiment of the invention.
  • the helmets include a shell 2 obtained by the "in-mold” technology and a hoop 7, 11, 16 made of a rigid material.
  • the simple hoop 7 comprises a band 12 which right through the back of the helmet, fastening means of 10 ear covering devices and frontal extensions 21 which along the front edge of the hull 2.
  • the ear bow 11 in addition to the strip 12, the front extensions 21 and the 10 ear covering devices, the ear bow 11 includes two wings 13 which are extensions of the band made of the same material as this one.
  • FIG. 13 shows a full face helmet.
  • the chinstrap 16 includes a headband 12 attached to the rear portion of the hull 2. In the extension of the strip 12 are on each side, the wings 13, then the chin rest 17. From each of the wings 13 and along the edges front of the hull 2 are placed the front extensions 21 which are join at the top of the front edges to form the visor 20. Good heard, ear covering devices 10 are placed under the 13.
  • the chinrest 17 is also equipped with a interior comfort pad in the form of foam pads wrapped in tissue. Given the complexity of the chinstrap 16, he will be able to be better to make this one into several parts, which will be assembled separately on the hull 2.

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Helmets And Other Head Coverings (AREA)

Abstract

A helmet for protecting a head of a user, comprises a shell (2) comprising a body and an outer skin affixed to the body; and an arch device (16) comprising a headband (12) with two ends positioned on the shell, and ear-covering parts connected to respective ones of the two ends of the headband. Independent claims are also included for: (1) a line of helmets for protecting the head of a user, comprising helmets as above adapted to a different sporting activity, having identical shells, and arch device having a different construction based upon the different sporting activities; and (2) a helmet assembly for protecting the head of a user, comprising a single shell as above, and arch devices having different constructions adapted for interchangeable use with the single shell during different sporting activities. Each arch device comprises a headband that can be releasably positioned on the single shell to facilitate replacement of the arch device with another.

Description

La présente invention concerne les casques de protection de la tête d'un utilisateur pour les pratiques sportives. En particulier l'invention concerne les casques prévus pour le ski, le snowboard, le cyclisme, le skateboard, le roller, le kayak.The present invention relates to helmets for protecting the head of a user for sports practices. In particular the invention relates to helmets for skiing, snowboarding, cycling, skateboarding, rollerblading, kayaking.

De tels casques sont obligatoires dans des pratiques sportives telles que le vélo tout terrain, le ski de compétition, le patinage de vitesse ou le patinage à roulettes dit "aggressive". De plus, l'utilisation de tels casques est également vivement conseillée pour des pratiques loisir de vélo et de ski.Such helmets are mandatory in sports practices such as mountain bike, ski racing, speed skating or roller skating called "aggressive". In addition, the use of such headphones is also highly recommended for recreational cycling and skiing.

De façon connue, différentes techniques de fabrication sont utilisées pour la réalisation de tels casques. Une première de ces techniques est celle largement utilisée pour la fabrication de casques de cyclomoteurs et de motocyclettes et pour certains casques de ski. Une coque ou calotte rigide et relativement peu épaisse, est réalisée par injection (PC, ABS) ou par tout autre moyen approprié (par exemple par stratification de différentes couches de tissu imprégnées de résine). Cette coque est ensuite garnie par des éléments de confort et / ou d'amortissement comprenant une sous calotte de polystyrène expansé (EPS), des mousses, des tissus. Cette technique permet de faire des casques au contour très enveloppant.In known manner, different manufacturing techniques are used for the realization of such helmets. A first of these techniques is that widely used for the manufacture of moped helmets and motorcycles and for some ski helmets. A rigid shell or cap and relatively thin, is produced by injection (PC, ABS) or by any other suitable means (for example by stratifying different layers of fabric impregnated with resin). This hull is then filled with elements of comfort and / or damping comprising a sub-cap of expanded polystyrene (EPS), foams, fabrics. This technique allows to make helmets with a very enveloping contour.

Typiquement un tel casque pourra recouvrir tout le crâne de l'utilisateur, mais également les oreilles, voire la mâchoire de l'utilisateur. Par cette technique, il est facile de réaliser en grande série et à des coûts raisonnables des coques en une seule pièce qui ont un enveloppement maximal de la tête. En effet après injection de la coque, même lorsque celle-ci est très enveloppante, elle garde une certaine déformabilité permettant le démoulage. L'inconvénient de cette technique est que les casques ainsi réalisés sont plutôt lourds. Or le poids d'un casque est un critère déterminant non seulement pour la compétition mais également pour les pratiques loisir où plus l'utilisateur aura l'impression que son casque est lourd, moins il aura envie de le porter.Typically such a helmet can cover the entire skull of the user, but also the ears, or even the jaw of the user. By this technique, it is easy to achieve mass production and costs reasonable one-piece hulls that have a wrap maximum of the head. Indeed after injection of the hull, even when this one is very enveloping, it keeps a certain deformability allowing the release. The disadvantage of this technique is that the helmets as well realized are rather heavy. But the weight of a helmet is a criterion determining not only for the competition but also for leisure practices where the user will have the impression that his or her helmet is heavy, the less he will want to wear it.

Une autre technique de fabrication est appelée en anglais "in-mold", c'est-à-dire "dans le moule". Dans cette technique, l'essentiel du casque est réalisé dans un même moule. A la sortie de ce moule, le casque est équipé d'une jugulaire, éventuellement d'une doublure de confort et d'autres accessoires. En pratique, on prépare indépendamment la peau extérieure du casque appelée "microshell". Cette peau peut par exemple être une feuille de polycarbonate. Cette feuille est thermoformée pour prendre la forme finale de la surface extérieure du casque. Cette feuille est fine (≤ à 1 mm en général). Après ébavurage et découpe, elle est placée dans le moule avec un matériau de type polystyrène. La chaleur et la vapeur introduites dans le moule déclenchent l'expansion du polystyrène jusqu'à ce qu'il occupe tout le volume du moule, et se lie à la feuille de polycarbonate. Au démoulage, le casque est constitué d'une épaisse coque de polystyrène expansé surmoulée sur une peau extérieure. Un tel casque ne présente aucune flexibilité et c'est pourquoi, à moins d'utiliser des moules coûteux, on ne fabrique par cette technique que des casques légers dont la superficie enveloppante ne comprend pas la zone de couverture des oreilles. Par exemple si on approxime la superficie enveloppante d'un casque à une sphère, on dit que l'on évite avec cette technique d'avoir une superficie enveloppante qui ne peut être contenue dans une demi-sphère. En pratique, on utilise plutôt cette technique pour des casques d'été dont la coque ne comprend pas de parties protégeant les oreilles.Another manufacturing technique is called in-mold, that is to say, "in the mold". In this technique, most of the helmet is made in the same mold. At the exit of this mold, the helmet is equipped a chinstrap, possibly a comfort lining and others accessories. In practice, the outer skin of the helmet called "microshell". This skin may for example be a leaf of polycarbonate. This sheet is thermoformed to take the final form of the outer surface of the helmet. This sheet is thin (≤ 1 mm in general). After deburring and cutting, it is placed in the mold with a material of polystyrene type. The heat and the steam introduced into the mold trigger the expansion of polystyrene until it occupies all the mold volume, and binds to the polycarbonate sheet. At demolding, helmet consists of a thick overmolded expanded polystyrene shell on an outer skin. Such a helmet has no flexibility and it is why, unless you use expensive molds, you do not make that technical than light helmets whose enveloping surface does not does not include the ear coverage area. For example, if we approximates the enveloping surface of a helmet to a sphere, it is said that this technique avoids having an enveloping surface that does not can be contained in a half-sphere. In practice, we use rather this technique for summer helmets whose hull does not include parts protecting the ears.

Un autre inconvénient de la technologie dite "in-mold" est qu'il n'est pas possible de garantir un positionnement précis des décorations. La décoration se fait à plat sur la feuille qui sera thermoformée puis placée dans le moule avec le polystyrène. Lors du thermoformage et lors de la phase d'expansion du polystyrène, il est très difficile de conserver intact les lignes de la décoration si bien qu'une ligne voulue droite sera voilée sur le casque final.Another disadvantage of so-called "in-mold" technology is that it is not possible to guarantee a precise positioning of the decorations. The decoration is flat on the sheet that will be thermoformed and placed in the mold with polystyrene. During thermoforming and during the expansion phase polystyrene, it is very difficult to keep intact the lines of the decoration so much that a wanted straight line will be veiled on the final helmet.

Un moyen utilisé pour la décoration d'un casque consiste à placer dans le moule plusieurs feuilles, chacune de couleur différente. Après le passage dans le moule et l'expansion du polystyrène, le casque présentera des portions de sa surface extérieure de différentes couleurs. Cette technique de décoration présente également ses limites en terme de qualité de la finition car, compte-tenu de l'imprécision du positionnement des feuilles dans le moule, il est nécessaire de prévoir un jeu important (plusieurs millimètres) entre les deux feuilles. Sur le produit fini, le polystyrène expansé restera visible entre les deux feuilles de couleur et la frontière entre les deux feuilles sera irrégulière.A means used for the decoration of a helmet is to place in the mold several leaves, each of different color. After the passage in the mold and the expansion of the polystyrene, the helmet will present portions of its outer surface of different colors. This technique of decoration also has its limits in terms of the quality of the finish because, given the imprecision of the positioning of the leaves in the mold, it is necessary to provide a large clearance (several millimeters) between the two leaves. On the finished product, expanded polystyrene will remain visible between the two colored leaves and the border between the two leaves will be irregular.

L'objectif de la présente invention est de prévoir un casque dont la fabrication est dépourvue des inconvénients précédemment cités.The objective of the present invention is to provide a helmet whose manufacturing is devoid of the aforementioned drawbacks.

L'objectif de l'invention est également de prévoir une gamme de casques prévue pour des utilisations différentes, mais dont la fabrication et le développement est moins onéreux.The objective of the invention is also to provide a range of helmets intended for different uses but whose manufacture and development is less expensive.

L'objectif de l'invention est également de prévoir un casque qui puisse être utilisé dans différents pratiques sportives.The objective of the invention is also to provide a helmet that can to be used in different sports practices.

Ces objectifs sont résolus par un casque qui comporte une coque rigide faite d'un matériau de type polystyrène expansé surmoulé sur une peau extérieure et comprenant un arceau rigide lequel arceau comporte un bandeau appliqué sur ladite coque et dont les deux extrémités sont équipées de dispositifs de recouvrement d'oreilles.These objectives are solved by a helmet that has a rigid shell made of an expanded polystyrene material molded onto a skin outside and comprising a rigid arch which has an arch headband applied to said shell and both ends of which are equipped of ear covering devices.

Ces objectifs sont aussi résolus par le fait que différents casques d'une gamme de casques ont en commun une même coque à laquelle on associe un élément supplémentaire différenciateur, un arceau.These objectives are also solved by the fact that different helmets range of helmets have in common the same shell to which we associate an additional element differentiator, a hoop.

Ces objectifs sont également résolus par la fourniture d'un casque qui comprend une coque ainsi qu'une pluralité d'éléments supplémentaires, chacun prévu pour l'utilisation du casque lors d'une pratique sportive particulière ou bien de conditions atmosphériques particulières.These goals are also solved by providing a helmet that comprises a shell and a plurality of additional elements, each provided for the use of the helmet during a sporting practice particular or special atmospheric conditions.

Avantageusement, la coque rigide est obtenue selon la technologie dite "in-mold", ce qui permet la réalisation d'une coque relativement plus légère que dans le cas d'une construction traditionnelle d'une coque rigide injectée.Advantageously, the rigid shell is obtained according to the so-called technology "in-mold", which allows the realization of a relatively lighter hull than in the case of a traditional construction of a rigid injected shell.

D'autres avantages apparaítront à la lecture de la description associée au dessin qui suit et dans lequel :

  • la figure 1 est une vue latérale de la coque d'un casque selon l'invention,
  • la figure 2 est une vue latérale selon un premier mode de réalisation de l'invention,
  • la figure 3 est une vue latérale selon un deuxième mode de réalisation de l'invention,
  • la figure 4 est une vue en perspective de l'arceau du casque de la figure 3,
  • la figure 5 est une vue en coupe du casque de la figure 3,
  • la figure 6 est une vue latérale d'un casque selon un troisième mode de réalisation de l'invention,
  • la figure 7 est une vue en perspective de l'arceau du casque de la figure 6,
  • les figures 8 à 13 sont des variantes d'exécution des différents modes de réalisation de l'invention.
Other advantages will appear on reading the description associated with the drawing which follows and in which:
  • FIG. 1 is a side view of the shell of a helmet according to the invention,
  • FIG. 2 is a side view according to a first embodiment of the invention,
  • FIG. 3 is a side view according to a second embodiment of the invention,
  • FIG. 4 is a perspective view of the arch of the helmet of FIG. 3,
  • FIG. 5 is a sectional view of the helmet of FIG. 3,
  • FIG. 6 is a side view of a helmet according to a third embodiment of the invention,
  • FIG. 7 is a perspective view of the arch of the helmet of FIG. 6,
  • Figures 8 to 13 are alternative embodiments of the various embodiments of the invention.

La figure 1 décrit un casque qui comprend une coque 2 obtenue par la technologie in-mold. Celle-ci est faite d'une calotte en polystyrène expansé surmoulé sur une peau extérieure 3. La peau extérieure 3 appelée également "microshell", est percée d'ouies 6 placées en correspondance avec des ouvertures ménagées dans la calotte de polystyrène. Ces ouies 6 permettent l'entrée d'air frais à l'intérieur du casque. La coque présente une gorge 4 qui parcourt sa surface extérieure de part en part depuis la zone temporale gauche jusqu'à la zone temporale droite (visible sur la figure 1). Cette gorge 4 qui constitue un léger renfoncement de la surface extérieure du casque est prévue pour recevoir l'arceau 7. Le casque est retenu sur la tête de l'utilisateur, grâce à une jugulaire 5 constituée d'un ensemble de sangles souples comprenant sur chacun des côtés du casque une sangle jugulaire avant 8, une sangle jugulaire arrière 9 qui se rejoignent pour former la jugulaire à proprement parlé. L'habillage interne du casque n'est pas visible sur cette figure et sera décrit plus loin.Figure 1 depicts a helmet that includes a shell 2 obtained by the in-mold technology. This one is made of an expanded polystyrene cap overmolded on an outer skin 3. The outer skin 3 also called "microshell", is pierced with ears 6 placed in correspondence with openings in the polystyrene cap. These ears 6 allow fresh air intake inside the helmet. The hull has a throat 4 which crosses its outer surface from side to side from the temporal area left to the right temporal zone (visible in Figure 1). This throat 4 which constitutes a slight recess of the outer surface of the helmet is provided to receive the bow 7. The helmet is retained on the head of the user, thanks to a chinstrap 5 consisting of a set of straps flexible comprising on each of the sides of the helmet a jugular strap before 8, a rear chinstrap 9 that join together to form the jugular proper. The internal cladding of the helmet is not visible in this figure and will be described later.

La figure 2 décrit le même casque qu'à la figure 1 auquel on a fixé un arceau 7. L'arceau 7 est encastré dans la gorge 4 et il est fixé sur la coque. Aux deux extrémités de l'arceau sont fixés deux dispositifs de recouvrement d'oreilles 10. Seul celui de droite est visible sur la figure 2. Ils sont constitués de coussins de mousse recouvert d'un tissu.Figure 2 depicts the same helmet as Figure 1, which has been arch 7. The arch 7 is embedded in the groove 4 and is fixed on the shell. At both ends of the arch are fixed two cover devices 10. Only the one on the right is visible in figure 2. They are consisting of foam cushions covered with a fabric.

La fixation de l'arceau à la coque peut bien entendu se faire par tout moyen approprié permanents ou non. On peut, par exemple, utiliser de la colle ou des rivets plastique associés à des inserts. On peut également envisager une fixation pouvant être détachée et remise en place par l'utilisateur lui-même, par exemple en utilisant des vis associés à des inserts ou des boutons pression afin de permettre à l'utilisateur de porter son casque avec ou sans les dispositifs de recouvrement d'oreilles.Fixing the hoop to the hull can of course be done by any appropriate means permanent or not. For example, we can use glue or plastic rivets associated with inserts. We can also consider a fastener that can be detached and replaced by the user himself, for example by using screws associated with inserts or snaps to allow the user to wear his headphones with or without ear covering devices.

La figure 3 décrit un casque dont la coque est identique à celle du casque de la figure 1. Un arceau-oreille 11 est encastré dans la gorge 4. Cet arceau est décrit indépendamment et en perspective à la figure 4. Il est constitué d'un bandeau 12 qui se prolonge à ses extrémités par des ailes 13. Le bandeau 12 et les ailes 13 constituent une seule et même pièce réalisée par injection d'une matière plastique.FIG. 3 describes a helmet whose hull is identical to that of the Figure 1. A headband 11 is embedded in the groove 4. This arch is described independently and in perspective in Figure 4. It is consisting of a band 12 which extends at its ends by wings 13. The strip 12 and the wings 13 constitute a single piece made by injection of a plastic material.

Cette dernière caractéristique n'est pas limitative et on pourrait très bien prévoir de réaliser cette pièce en plusieurs éléments qui seraient assemblés avant le montage sur la coque ou après celui-ci. Pour répondre à des considérations esthétiques, on pourra également réaliser cette pièce par injection bicolore. Enfin dans un soucis d'allègement et de performance la stratification du tissu de verre ou de carbone sera préférée à l'injection plastique.This last characteristic is not limiting and one could very well plan to realize this piece in several elements that would be assembled before mounting on or after the hull. To answer to aesthetic considerations, we can also make this piece by two-tone injection. Finally in a concern of lightening and performance the lamination of glass or carbon fabric will be preferred over injection plastic.

La figure 5 montre une vue en coupe du casque présenté à la figure 3. La coque 2 est constituée d'une calotte de polystyrène 15 recouvert de la peau extérieure 3. Il est à noter que pour des raisons de clarté du dessin, les épaisseurs des différentes pièces ne sont pas à l'échelle. Ainsi la peau extérieure 3 n'a en réalité qu'une épaisseur en général inférieure à 1 millimètre. L'arceau-oreille 11 ceinture la coque. Son bandeau 12 est appliqué contre la peau extérieure 3 et est fixée à elle par tout moyen approprié, permanent ou non. Au-delà du bandeau 12, l'arceau se prolonge en deux ailes 13 qui sont sensiblement orientées vers l'intérieur du volume du casque de façon à assurer un enveloppement plus ajusté de la tête et en particulier de la région des oreilles. Le bandeau 12 et les ailes 13 font partie d'une seule et même pièce. Sur ces ailes 13 sont fixés les dispositifs de recouvrement d'oreilles 10. Lors de l'assemblage de l'arceau 11 sur la coque 2, on déforme l'arceau élastiquement de façon à écarter les ailes 13 vers l'extérieur.Figure 5 shows a sectional view of the helmet shown in Figure 3. The shell 2 consists of a polystyrene cap 15 covered with the 3. It should be noted that for the sake of clarity of the drawing, the thicknesses of the different pieces are not to scale. So the skin outer 3 actually has a thickness generally less than 1 millimeter. The bow-ear 11 belt the hull. His headband 12 is applied against the outer skin 3 and is attached to it by any means appropriate, permanent or not. Beyond the band 12, the arch extends in two wings 13 which are substantially oriented towards the inside of the volume helmet to ensure a more snug wrapping of the head and particular of the region of the ears. The band 12 and the wings 13 are part in one and the same room. On these wings 13 are fixed the devices of ear covering 10. When assembling the hoop 11 on the hull 2, the bow is deformed elastically so as to move the wings 13 towards outside.

Le casque est d'autre part pourvu d'un habillage intérieur 14 qui est disposé à l'intérieur de la coque 2 de sorte à être en contact avec la tête du porteur. L'habillage assure une fonction de confort et une fonction de maintien en place du casque sur la tête. Il est formé d'éléments de mousse gainés de tissu et il est disposé de façon fixe ou amovible à l'intérieur de la coque par exemple au moyen de bandes auto-agrippantes.The helmet is on the other hand provided with an inner lining 14 which is disposed inside the shell 2 so as to be in contact with the head of the carrier. The dressing provides a comfort function and a function of keep the helmet on the head. It is formed of foam elements fabric-wrapped and is disposed fixedly or removably within the shell for example by means of Velcro strips.

La figure 6 décrit un autre casque dont la coque 2 est identique à celle des casques précédemment décrits jusqu'ici. Cette coque 2 est associée à un arceau-mentonnière 16 dont le bandeau vient s'encastrer dans la gorge 4 ménagée sur la peau extérieure 3 de la coque. L'arceau-mentonnière 16 est collé sur la peau extérieure 3.FIG. 6 describes another helmet whose shell 2 is identical to that helmets previously described so far. This shell 2 is associated with a chinstrap 16 whose band is embedded in the throat 4 arranged on the outer skin 3 of the shell. The chinstring 16 is stuck on the outer skin 3.

L'arceau-mentonnière 16 est décrit indépendamment et en perspective à la figure 7. Il comprend un bandeau 12, deux ailes 13 et une mentonnière 17. La mentonnière 17 protège la mâchoire et le visage dans les pratiques sportives les plus à risques telles que le vélo tout terrain de descente. Au niveau des ailes 13, sont fixés des dispositifs de recouvrement d'oreilles constitués d'un coussin de mousse gainé de tissu. Le coussin a sensiblement une forme annulaire de façon qu'une cavité donnant à l'oreille plus d'aisance soit créé et également pour ne pas gêner l'audition. Les ailes 13 sont, d'autre part, percées d'une pluralité de trous pour faciliter l'audition.The chinstrap 16 is described independently and in perspective at Figure 7. It comprises a band 12, two wings 13 and a chin strap 17. The chin guard 17 protects the jaw and face in the practices most risky sports such as mountain biking downhill. At wing level 13, are fixed ear covering devices consisting of a foam cushion wrapped with fabric. The cushion has substantially an annular shape so that a cavity giving the ear more ease be created and also not to interfere with the hearing. The wings 13 are, on the other hand on the other hand, pierced with a plurality of holes to facilitate hearing.

L'arceau-mentonnière 16 est une pièce monobloc obtenue par injection. Pour pouvoir être mise en place il est nécessaire de la déformer élastiquement en écartant les ailes l'une de l'autre. Dans le cas où le matériau choisi pour réaliser l'arceau-mentonnière ne serait pas suffisamment déformable élastiquement, on peut imaginer une séparation en deux morceaux du bandeau 12.The hoop-chin guard 16 is a monoblock piece obtained by injection. To be able to be put in place it is necessary to deform it elastically by spreading the wings apart from each other. In case the material chosen to achieve the hoop-chin guard would not be sufficiently elastically deformable, one can imagine a separation in two pieces of the headband 12.

A l'arrière, l'arceau-mentionnière 16 est équipé de moyens de retenue de la sangle d'un masque de vision (non représenté). Ces moyens ont la forme d'un crochet 22 qui empêche la sangle d'un masque de glisser vers le haut sur la surface extérieure du casque.At the rear, the hoop-mentioned 16 is equipped with means of retaining the strap of a vision mask (not shown). These means have the form a hook 22 that prevents the strap of a mask from sliding upwards on the outer surface of the helmet.

Pour un fabricant de casque, les coûts de développement et de fabrication d'une gamme comportant quatre casques correspondent aux casques des figures 1, 2, 3 et 6 et étant chacun prévu pour une pratique et / ou une utilisation particulière, seront considérablement réduits car la coque, organe principal de chacun de ces casques, est identique.For a helmet manufacturer, the costs of developing and manufacture of a range comprising four helmets corresponding to helmets of Figures 1, 2, 3 and 6 and each being provided for practice and / or a particular use, will be considerably reduced because the hull, main body of each of these helmets, is identical.

Pour un utilisateur, l'achat d'une seule coque de casque telle que celle de la figure 1 et d'une pluralité d'arceaux 7, 11, 16 va lui permettre de multiples utilisations et de multiples pratiques, à condition que les différents arceaux 7, 11, 16 soient fixés de manière libérable permettant à l'utilisateur de les échanger. Ainsi pour un sport peu dangereux pratiqué par temps chaud, le casque est utilisé sans arceau, une utilisation ski loisir se fera avec l'arceau simple 7 qui garantit la protection thermique des oreilles tandis que les pratiques ski de compétition se feront avec l'arceau-oreille 11 voire même avec l'arceau-mentonnière 16.For a user, the purchase of a single helmet shell such as the one of FIG. 1 and a plurality of arches 7, 11, 16 will allow it to multiple uses and multiple practices, provided that the different hoops 7, 11, 16 are releasably secured to the user to exchange them. So for a little dangerous sport practiced by time hot, the helmet is used without hoop, use leisure skiing will be done with the single arch 7 which guarantees the thermal protection of the ears while that the practice of ski racing will be done with the bow-ear 11 or even with the chinstrap 16.

Les figures 8, 9 et 10 décrivent une gamme de trois casques selon une variante d'exécution de l'invention. La coque 2 comprend un seul bloc de polystyrène expansé surmoulé sur deux feuilles de polycarbonate. La première feuille 18 recouvre le haut du crâne et est de couleur C1. La deuxième feuille 19 recouvre la nuque et est de couleur C2. L'arceau simple 7, aux deux extrémités duquel sont fixés des dispositifs de recouvrement d'oreilles 10 est placé sur la coque de façon à recouvrir le bord de chacune des deux feuilles 18 et 19 au niveau de la séparation entre celles-ci. Ainsi la séparation entre les différentes couleurs est nette et précise dans la mesure où elle est faite par les arêtes du bandeau 12.Figures 8, 9 and 10 describe a range of three helmets according to a alternative embodiment of the invention. The hull 2 includes a single block of expanded polystyrene overmolded on two sheets of polycarbonate. The first sheet 18 covers the top of the skull and is C1 color. The second sheet 19 covers the nape and is C2 colored. The simple hoop 7, at both ends of which are fixed cover devices 10 is placed on the shell so as to cover the edge of each two sheets 18 and 19 at the separation between them. So the separation between the different colors is clear and precise in the extent where it is made by the edges of the band 12.

La figure 9 montre le casque équipé d'un arceau-oreille 11 Celui-ci comprend un bandeau 12 similaire à celui de l'arceau simple 7 du casque décrit à la figure 8, qui se prolonge à ses deux extrémités par des ailes 13. Sous les ailes 13, sont fixés des dispositifs de recouvrement d'oreilles 10 comprenant des coussins de mousse. La coque 2 a une première couleur C1 au-dessus du bandeau 12 et une deuxième couleur C2 au-dessous de celui-ci.Figure 9 shows the helmet equipped with a bow-ear 11 This one includes a strip 12 similar to that of the single bow 7 of the helmet described in Figure 8, which extends at both ends by wings 13. Under the wings 13, are fixed ear covering devices 10 comprising foam cushions. The hull 2 has a first color C1 above the strip 12 and a second color C2 below it.

La figure 10 montre un casque intégral réalisé sur la base d'une coque identique à celle des casques des figures 8 et 9. En plus de l'arceaumentonnière 16, la coque 2 reçoit également une visière 20.Figure 10 shows an integral helmet made on the basis of a hull identical to that of the helmets of Figures 8 and 9. In addition to the arceaumentonniere 16, the shell 2 also receives a visor 20.

Les figures 11, 12 et 13 montrent une gamme de trois casques selon une autre variante d'exécution de l'invention. Sans qu'il soit besoin de le rappeler dans les détails, les casques comprennent une coque 2 obtenue par la technologie "in-mold" et un arceau 7, 11, 16 fait d'une matière rigide.Figures 11, 12 and 13 show a range of three helmets according to another alternative embodiment of the invention. Without it being necessary remember in detail, the helmets include a shell 2 obtained by the "in-mold" technology and a hoop 7, 11, 16 made of a rigid material.

A la figure 11, l'arceau-simple 7 comprend un bandeau 12 qui ceinture de part en part la partie arrière du casque, des moyens d'attache des dispositifs de recouvrement d'oreilles 10 et des extensions frontales 21 qui longent le bord frontal de la coque 2.In FIG. 11, the simple hoop 7 comprises a band 12 which right through the back of the helmet, fastening means of 10 ear covering devices and frontal extensions 21 which along the front edge of the hull 2.

A la figure 12, outre le bandeau 12, les extensions frontales 21 et les dispositifs de recouvrement d'oreilles 10, l'arceau-oreille 11 comprend deux ailes 13 qui sont des extensions du bandeau fait du même matériau que celui-ci.In FIG. 12, in addition to the strip 12, the front extensions 21 and the 10 ear covering devices, the ear bow 11 includes two wings 13 which are extensions of the band made of the same material as this one.

La figure 13 montre un casque intégral. L'arceau-mentonnière 16 comprend un bandeau 12 fixé sur la partie arrière de la coque 2. Dans le prolongement du bandeau 12 se trouvent sur chacun des côtés, les ailes 13, puis la mentonnière 17. A partir de chacune des ailes 13 et le long des bords frontaux de la coque 2 se placent les extensions frontales 21 qui se rejoignent au sommet des bords frontaux pour former la visière 20. Bien entendu, des dispositifs de recouvrement d'oreilles 10 sont placés sous les ailes 13. D'autre part, la mentonnière 17 est également équipée d'une garniture intérieur de confort sous forme de pads de mousse gainés de tissus. Compte-tenu de la complexité de l'arceau-mentonnière 16, il pourra être préférable de réaliser celui-ci en plusieurs parties, lesquelles seront assemblées séparément sur la coque 2.Figure 13 shows a full face helmet. The chinstrap 16 includes a headband 12 attached to the rear portion of the hull 2. In the extension of the strip 12 are on each side, the wings 13, then the chin rest 17. From each of the wings 13 and along the edges front of the hull 2 are placed the front extensions 21 which are join at the top of the front edges to form the visor 20. Good heard, ear covering devices 10 are placed under the 13. On the other hand, the chinrest 17 is also equipped with a interior comfort pad in the form of foam pads wrapped in tissue. Given the complexity of the chinstrap 16, he will be able to be better to make this one into several parts, which will be assembled separately on the hull 2.

L'invention ne se limite pas aux quelques modes de réalisation décrits ci-dessus à titre d'exemple. The invention is not limited to the few embodiments described above as an example.

NOMENCLATURENOMENCLATURE

  • 1- casque1- helmet
  • 2- coque2- hull
  • 3- peau extérieure3- outer skin
  • 4- gorge4- throat
  • 5- jugulaire5- jugular
  • 6- ouies6- ounces
  • 7- arceau simple7- simple hoop
  • 8- sangle jugulaire avant8- front chin strap
  • 9- sangle jugulaire arrière9- back strap
  • 10- dispositif de recouvrement d'oreille10- ear covering device
  • 11- arceau-oreille11- arch-ear
  • 12- bandeau12- headband
  • 13- ailes13- wings
  • 14- habillage intérieur14- interior trim
  • 15- calotte de polystyrène expansé15- expanded polystyrene cap
  • 16- arceau-mentonnière16- chinstrap
  • 17- mentonnière17- chin rest
  • 18- première feuille18- first sheet
  • 19- deuxième feuille19- second sheet
  • 20- visière20- visor
  • 21- extension frontale21- frontal extension
  • 22- crochet22- hook

    • Claims (11)

    Casque pour la protection de la tête comportant une coque rigide (2) faite d'un matériau de type polystyrène expansé surmoulé sur une peau extérieure (3) et comprenant un arceau rigide (7, 11, 16), lequel arceau comprend un bandeau (12) appliqué sur ladite coque (2) et dont les deux extrémités sont équipées chacune d'un dispositif de recouvrement d'oreilles (10).Helmet for protection of the head having a rigid shell (2) made of an expanded polystyrene material molded onto a skin outer member (3) and comprising a rigid arch (7, 11, 16), which arch comprises a band (12) applied to said shell (2) and both of which ends are each equipped with an ear covering device (10). Casque selon la revendication 1, caractérisé en ce que les dispositifs de recouvrement d'oreilles (10) comprennent un coussin de mousse gainé de tissu.Helmet according to claim 1, characterized in that the ear covering devices (10) comprise a foam cushion of fabric. Casque selon la revendication 1, caractérisé en ce que l'arceau (11) comprend deux ailes (13) qui recouvrent lesdits dispositifs de recouvrement d'oreilles (10) et qui prolongent le bandeau (12).Helmet according to claim 1, characterized in that the bow (11) comprises two wings (13) which cover said ear covering devices (10) and which extend the strip (12). Casque selon la revendication 3, caractérisé en ce que l'arceau (16) comprend une mentonnière (17) qui prolonge et unit entre elles les deux ailes (13).Helmet according to claim 3, characterized in that the bow (16) comprises a chin guard (17) which extends and unites the two wings (13) between them. Casque selon l'une des revendications précédentes, caractérisé en ce que l'arceau (7, 11, 16) comporte des extensions (21) longeant le bord frontal du casque.Helmet according to one of the preceding claims, characterized in that the bow (7, 11, 16) has extensions (21) along the front edge of the helmet. Casque selon la revendication 5, caractérisé en ce que lesdites extensions (21) se rejoignent et forment une visière (20).Helmet according to claim 5, characterized in that said extensions (21) meet and form a visor (20). Casque selon l'une des revendications précédentes, caractérisé en ce que l'arceau est obtenu par injection ou stratification.Helmet according to one of the preceding claims, characterized in that the arch is obtained by injection or lamination. Casque selon l'une des revendications précédentes, caractérisé en ce que l'arceau (7,11, 16) est collé sur la coque.Helmet according to one of the preceding claims, characterized in that the arch (7, 11, 16) is glued to the shell. Casque selon l'une des revendications précédentes, caractérisé en ce que l'arceau (7, 11, 16) est fixé de façon libérable à la coque (2).Helmet according to one of the preceding claims, characterized in that the bow (7, 11, 16) is releasably secured to the shell (2). Casque selon l'une des revendications précédentes, caractérisé en ce que la surface extérieure de la coque (2) présente une gorge (4) dans laquelle s'encastre l'arceau (7, 11, 16).Helmet according to one of the preceding claims, characterized in that the outer surface of the shell (2) has a groove (4) in which the arch (7, 11, 16) fits. Casque selon l'une des revendications précédentes, caractérisé en ce que la peau extérieure (3) comprend deux feuilles de couleur différente.Helmet according to one of the preceding claims, characterized in that the outer skin (3) comprises two sheets of different colors.
    EP04028172A 2003-12-08 2004-11-26 Modular helmet Withdrawn EP1541047A1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR0314352A FR2863149B1 (en) 2003-12-08 2003-12-08 MODULAR HELMET
    FR0314352 2003-12-08

    Publications (1)

    Publication Number Publication Date
    EP1541047A1 true EP1541047A1 (en) 2005-06-15

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    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP04028172A Withdrawn EP1541047A1 (en) 2003-12-08 2004-11-26 Modular helmet

    Country Status (3)

    Country Link
    US (1) US7243378B2 (en)
    EP (1) EP1541047A1 (en)
    FR (1) FR2863149B1 (en)

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    Also Published As

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    FR2863149A1 (en) 2005-06-10
    US7243378B2 (en) 2007-07-17
    FR2863149B1 (en) 2006-10-06
    US20050120467A1 (en) 2005-06-09

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