EP3434127B1 - Sporthelm mit verstärkten belüftungs- und antibeschlagseigenschaften - Google Patents

Sporthelm mit verstärkten belüftungs- und antibeschlagseigenschaften Download PDF

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Publication number
EP3434127B1
EP3434127B1 EP18184979.5A EP18184979A EP3434127B1 EP 3434127 B1 EP3434127 B1 EP 3434127B1 EP 18184979 A EP18184979 A EP 18184979A EP 3434127 B1 EP3434127 B1 EP 3434127B1
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EP
European Patent Office
Prior art keywords
circuit
sports helmet
cap
shell
helmet according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18184979.5A
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English (en)
French (fr)
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EP3434127A1 (de
Inventor
Frédéric Michel
Christophe Chedal-Anglay
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.)
Skis Rossignol SA
Club Rossignol SA
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Rossignol SA
Club Rossignol SA
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Publication of EP3434127A1 publication Critical patent/EP3434127A1/de
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    • 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
    • A42B3/28—Ventilating arrangements
    • A42B3/281—Air ducting systems
    • A42B3/283—Air inlets or outlets, with or without closure shutters
    • 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
    • A42B3/10—Linings
    • 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
    • A42B3/18—Face protection devices
    • A42B3/22—Visors
    • A42B3/24—Visors with means for avoiding fogging or misting
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42C—MANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATS
    • A42C5/00—Fittings or trimmings for hats, e.g. hat-bands
    • A42C5/04—Ventilating arrangements for head coverings
    • 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
    • A42B3/18—Face protection devices
    • A42B3/185—Securing goggles or spectacles on helmet shells

Definitions

  • the invention relates to a sports helmet with enhanced ventilation and demisting capacities.
  • the invention relates more particularly to a helmet for board sports and, in particular, winter sports such as downhill or ski touring, cross-country skiing, surfing or sledding.
  • the helmet of the invention can also be used for the practice of cycling, bicycle touring or mountain biking.
  • the protective helmets used for the practice of sliding sports and, in particular, winter sports, are intended to protect the skull of the sportsman in the event of a fall or impact against obstacles.
  • helmets Given the relatively low temperatures prevailing in snow-covered areas and / or at altitude, helmets also have thermal insulation properties against the cold outside environment.
  • helmets In order to effectively perform these different functions, traditional helmets include a rigid outer shell containing an absorbent and thermally insulating inner shell.
  • these helmets are generally provided with means ensuring the escape of the hot air produced at the level of the head due to the physical efforts of the user.
  • These evacuation means comprise an aeration circuit opening to the outside on the upper face of the helmet via conduits delimited between slots made through the rigid outer shell and the inner shell.
  • Certain helmets are equipped with an adjustable closure system of the ventilation circuit which allows the user to adjust the temperature inside his helmet according to the circumstances, by displacement, for example by translation, of a shutter.
  • the shutter system consists of a plate disposed between the inner shell and the outer shell and which is capable of being moved by the user in translation by a maneuvering lug, accessible from the outside. helmet, to close the ventilation circuit slots.
  • the masks generally have an upper edge which is lined with a strip of porous foam and / or orifices communicating with the outside in order to limit the phenomena of condensation inside the mask.
  • a helmet and a mask favors the appearance of fogging (water vapor) inside the mask, in particular because the lower edge of the helmet tends to hinder the evacuation of fog.
  • some helmets are equipped with integrated means facilitating the demisting of the mask.
  • demisting means comprise a ventilation circuit housed in the helmet and communicating with the interior volume of the mask via the foam strip or the orifices.
  • the communication is established by suction outlets, arranged on the lower edge of the inner cap opposite the upper edge of the mask and opening to the outside on the front face of the helmet via channels and ejection openings formed on its outer shell.
  • Such helmets are described, in particular, in patents US 2011/0167541 and US 5915537 .
  • the means for removing hot air and the defogging means provided on existing helmets are generally independent. Indeed, the helmet ventilation circuit and the mask ventilation circuit are designed so that they are necessarily separate and can only be isolated from each other on known helmets.
  • the patent application WO 2016/157046 Al describes such a helmet having means for evacuating hot air and independent demisting means.
  • the object of the present invention is to optimize the ventilation and demisting capacities of the helmets by coupling the circuits specific to these functions so that the respective flow rates of the hot air discharge and ejection flows from the water vapor are significantly increased by synergistic effect.
  • a sports helmet according to independent claim 1 comprising an outer shell and an inner shell, said shell and said shell delimiting between them, on the one hand, a circuit d ventilation intended for the evacuation of hot air, delimited between slots provided, respectively, through the inner shell and the outer shell and, on the other hand, a ventilation circuit intended for the demisting of an independent vision device, delimited between suction vents provided on the part frontal of the helmet and of the ejection vents provided on the outer shell, said helmet further comprising an adjustable shutter making it possible to modify the air flow rate of the aeration circuit and of the ventilation circuit in a reversible manner.
  • the shutter connects the ventilation circuit to the ventilation circuit.
  • the shutter comprises a longitudinal opening.
  • the shutter comprises a maneuvering stud which projects through the outer shell.
  • the adjustable shutter comprises an axial tongue provided with a longitudinal opening and connected, on both sides, to two arms each carrying a flap forming a valve between the aeration circuit and the ventilation circuit .
  • the aeration circuit comprises, on the cap, a central cavity and at least two lateral cavities, said cavities receiving said adjustable shutter and communicating with said slots.
  • the ventilation circuit comprises at least two lateral channels formed on the cap between the suction outlets and said side cavities of the ventilation circuit with which they communicate via a duct.
  • the axial tongue slides in the central cavity while the flaps pivot in the lateral cavities by movement of the arms under the action of the tongue, between a position of isolation of the ventilation and ventilation circuits respectively and a communication position in which the lateral channels of the ventilation circuit open, via the conduit, into the lateral cavities of the ventilation circuit.
  • the exhaust vents of the ventilation circuit communicate with said channels upstream of said duct.
  • the channels of the ventilation circuit have a narrowed section from upstream to downstream.
  • the arms have a curvilinear profile and slide in circular guide grooves formed between the central cavity and the lateral cavities of the cap.
  • the flaps are produced on connecting rods connected to said arms and fixed in a rotary manner in said lateral cavities.
  • the shutter is made in a single piece consisting of the tongue, flexible arms and links carrying the flaps.
  • the ventilation circuit comprises, on the one hand, at least one axial slot of the cap coming opposite with at at least one axial slot of the shell and, on the other hand, at least two lateral slots of the shell extending in offset with respect to at least two corresponding slots of the shell.
  • the upper face of the rods forms a hatch for closing the slots in the shell.
  • the ventilation circuit comprises at least two front suction openings on the shell and at least two corresponding ejection openings on the shell which extend offset towards the rear of the helmet.
  • the invention makes it possible to modify and regulate the flow rate of the aeration and ventilation circuits by means of a single shutter integrated into the helmet.
  • the ventilation and ventilation flow rates are significantly higher, which makes it possible to obtain both better temperature regulation inside the helmet as well as faster and more demisting. effective mask.
  • the figure 1 is an exploded perspective view of an embodiment of a helmet according to the invention intended for the practice of alpine skiing and used here with a mask M.
  • This helmet is symmetrical with respect to a median longitudinal axis.
  • the components of the helmet asymmetrically such as, for example, the ventilation and ventilation circuits and orifices, if only for aesthetic reasons.
  • This helmet comprises a cap 1, the concave internal profile of which substantially matches the skull and which, for reasons of comfort and safety, is made of a shock-absorbing material (for example, a foam material of the expanded polystyrene type PSE or expanded polypropylene PPE).
  • the helmet can also include a comfort lining, generally made of flexible foam or textile, and positioned between the user's head and the cap.
  • This helmet also includes a rigid outer shell 2 produced with a material of greater hardness in order to form a shield against impact.
  • the material which forms the shell is a thermoplastic material such as PVC, ABS, or polycarbonate, obtained by injection.
  • the plastic material forming the shell can be loaded with fibers, for example glass, carbon or kevlar, or any other type of fiber, possibly natural.
  • the helmet is traditionally provided with a set of adjustable links (not shown) ensuring its positioning and its maintenance on the head of the user.
  • the helmet can be provided, on its front edge, with a visor B, as in the embodiment illustrated by the figure 1 .
  • the inner shell 1 and the outer shell 2 are joined to one another (for example, by gluing, or any other technique for securing a cap with a shell) by delimiting between them, on the one hand, an aeration circuit A and, on the other hand, a ventilation circuit V.
  • the ventilation circuit A is intended to improve comfort by ensuring the evacuation of the hot air trapped around the skull of the user.
  • This ventilation circuit A includes two sets of through slots.
  • a first set of slots consists of at least one upper slot and, here, three upper slots 11a formed through the wall of the cap 1 and coming opposite with at least one upper slot and, here, three upper slots 21a formed through the outer shell 2, as illustrated by the figures 1 and 3 .
  • a second set of slots consists of at least two lower slots 11b arranged laterally and symmetrically on each side of the helmet, through the wall of the cap 1 and coming opposite with at least two corresponding lower slots 21b formed through the outer shell 2, as illustrated by figures 1 and 3 .
  • the air passages delimited by the slots in the present figures could have different and varied profiles, to take the form of recesses or orifices, for example, with rounded contours or in parallelepiped.
  • This ventilation circuit A further comprises, on the cap 1, an upper central cavity 12 in which open the upper slots 11a, and at least two lower lateral cavities 13 into which the lower slots 11b open.
  • the ventilation circuit V is, for its part, intended for demisting the mask M by ensuring the escape of the condensed water vapor and trapped in the mask M.
  • the ventilation circuit V remains operational and effective if the user wears glasses, sunglasses, or a retractable visor possibly integrated into the helmet or mounted outside the shell.
  • the ventilation circuit V is delimited between at least one suction mouth and, preferably as in the embodiment shown, two vents 10 formed on the front edge or, more generally, on the front part of the inner cap 1 (under the visor B, if any) and at least one, and here two, corresponding ejection vents 20 formed on the outer shell 2 and extending offset towards the rear of the helmet.
  • the mouths 10 can be provided on a protective piece attached to the front edge of the cap, or possibly made in the outer shell itself.
  • the ventilation circuit V further comprises at least two lateral channels 15 formed on the cap 1 between the suction outlets 10 and the lateral cavities 13 of the ventilation circuit A with which they are capable of being connected and of communicating via a conduit 16 forming an airlock for the passage of air.
  • the ejection vents 20 of the ventilation circuit V communicate with the channels 15 upstream of the duct 16.
  • the suction vents 10 of the helmet are positioned in the immediate vicinity of the upper edge of the mask.
  • This upper edge is, in general, lined with a porous foam (not shown) and, where appropriate, communication openings with the outside intended to dissipate the condensation in the mask and which then come to be placed opposite the helmet suction ports 10.
  • the lateral cavities 13 and the channels 15 are covered by the wall of the outer shell 2, as illustrated by the figure 1 .
  • a variant not shown would consist in reversing this structure by providing the lateral cavities and the channels in the wall of the hull instead of that of the cap.
  • the shell 2 is provided with complementary orifices 22 facing the mouths 10 of the cap 1 on the lateral flanks of the visor B, when it exists, as illustrated in the variants of the figures 1 and 3 .
  • the hot air present in the upper part of the helmet is entrained towards the outside thanks to the laminar air flows generated by the speed which create, via the slots 21a, 21b, a depression in the internal ventilation circuit A of the helmet, as illustrated by the arrows in dotted lines shown in the drawings.
  • these laminar flows create, at the gills 20, a depression in the ventilation circuit V which allows the extraction of the water vapor from the mask M via the mouths 10 and the gills 20, as illustrated by the arrows in solid lines appearing on the drawings.
  • the lower slots 21a, 21b and the vents 20 are oriented on the helmet in the longitudinal direction and have bevelled edges, as illustrated by the drawings.
  • the respective air exhausts from the aeration circuit A and the ventilation circuit V are substantially perpendicular, as visible on the figure 1 .
  • the channels 15 of the ventilation circuit V have a narrowed section from upstream to downstream, as illustrated by the figure 1 , which promotes the suction of air and its acceleration in the channels 15, in order to optimize the rate of extraction of the mist from the mask M from the mouths 10.
  • the helmet is provided with an adjustable shutter 3 allowing the user, both reversibly, to modify and adjust the output flow of hot air from the ventilation circuit A, and so the temperature inside the helmet, and modify and adjust the air flow in the ventilation circuit V to thereby modify the demisting capacity.
  • the adjustable shutter 3 makes it possible to connect the ventilation circuit A to the ventilation circuit V thereby modifying the demisting capacity.
  • the adjustable shutter 3 comprises, for this purpose, an axial tongue 31 provided with a longitudinal opening 30 and an operating stud 35 which projects through the outer shell 2.
  • the opening 30 is capable of coming, by translation of the tongue 31, opposite the upper slots 11a of the cap 1 and the upper slots 21a of the shell 2 to open the ventilation circuit A.
  • the tongue 31 rests on a longitudinal flat 12a forming a slide formed on the edge of the central cavity 12, as illustrated by the figure 2 .
  • the longitudinal ends of the flat 12a of the central cavity 12 form stops for the sliding of the tongue 31.
  • small pins could protrude around the slot upper central 11a and engage in corresponding holes made on the axial tongue 31 to wedge it in the middle position in the cavity 12.
  • the shutter would be supported by the shell in the wall of which would be made holes cooperating with the pins of the shutter.
  • the tongue 31 is connected, on both sides, to two flexible arms 32 each carrying a flap 33 forming a valve between the aeration circuit A and the ventilation circuit V.
  • the two arms 32 are housed and integrated in a sliding manner in two circular grooves 14 for guiding, formed between the central cavity 12 and the lateral cavities 13 of the cap 1, as illustrated by the Figures 5A, 5B .
  • the shutter 3 does not have an axial tongue.
  • the lateral arms 32 actuating the flaps 33 would thus be connected to one another via a connecting and operating element or left independent by being each provided with their own operating element.
  • the ventilation circuit A does not have a central exhaust orifice and the exhaust of the hot air takes place only through the lower slots 11b, 21b and the lateral cavities 13.
  • the lateral cavities 13 have, at their front periphery, a first flat 13a on which rests and slides a support tab for the flap 33.
  • each link 34 has a curved profile and carries a lug (not shown) forming a pivot which is rotatably engaged in the cap, in a corresponding orifice formed on a second flat 13b located at the periphery rear of the lateral cavity 13.
  • the rods 34 have an upper face 34b which extends under the shell 2 by matching its internal wall, and at a distance from the bottom of the lateral cavities 13.
  • the flaps 33 extend, in turn, transversely to the external wall of the cap 1 and to the internal wall of the shell 2 and therefore substantially perpendicular to the upper face 34b of the rods 34.
  • the shutter 3 is integrated and wedged vertically between the shell 2 and the shell 1 during assembly of the helmet. Provision is therefore made for its general envelope to conform to the outer profile of the cap without having any additional thickness, with the exception of the stud 35 for actuating the shutter 3.
  • the axial tongue 31 is housed entirely in the central cavity 12 and the flaps 33 are integrated in the two lateral cavities 13 of the shell 1. The assembly of the shell carrying the shutter with the shell is thus facilitated.
  • the two arms 32 ensuring the connection between the tongue 31 and the flaps 33 are symmetrical and have a curvilinear profile bent forward. They are made here with a small thickness of material and therefore have an elastic deformation capacity.
  • the shutter is preferably made by molding a single piece of plastic.
  • This material can, for example, be a thermoplastic material such as a polyamide or a polyurethane.
  • the material of the shutter could be a plastic loaded with fibers, or possibly a metallic material.
  • the axial tongue 31 is capable of sliding forward and backward in the central cavity 12 of the cap 1 between its two longitudinal ends.
  • the translation of the axial tongue 31 causes the curvilinear sliding of the arms 32 in the grooves 14 and the pivoting of the rods 34 and, consequently, that of the flaps 33 in the lateral cavities 13.
  • the pivoting of the flaps 33 takes place between a position of isolation of the two circuits, respectively, of ventilation A and ventilation V, and a position of communication between these circuits.
  • the stroke of the central tongue 31 allows the shutter to be positioned in any intermediate open position.
  • the displacement of the flaps 33 in the cavity 13 is accompanied by a tangential displacement of the upper face 34b of the rods 34.
  • the upper face 34b of the rods 34 has an orifice capable of coming opposite the slots 21b of the shell 2 to allow a limited escape of the hot air trapped in the upper part of the helmet and therefore minimum opening of the ventilation circuit A.
  • the lateral channels 15 of the ventilation circuit V then open, via the conduits 16, into the lateral cavities 13 of the ventilation circuit A.
  • the channels 15 then communicate with the outside both via the gills 20 and the slots 21b.
  • the extreme communication position ( figure 5B ) also corresponds to the maximum opening of the ventilation circuit A since the upper slots 11a, 21a and the lower slots 11b, 21b of the shell and of the shell open to the outside.
  • the ventilation circuits V and ventilation A can be independent and isolated from each other, for example, by a transverse wall formed in the lateral cavity 13 or carried by the shutter 3. The air arriving from the ventilation circuit V can then escape through the slots 21b which would also serve for the exhaust of the ventilation circuit A.
  • the helmet can be manufactured according to a process called "in-mold".
  • This manufacturing process consists in molding the helmet by fusing the outer shell with the inner shell in the same mold.
  • the shell is obtained by injection molding and the shell is overmolded inside the shell.
  • the advantage of this process is to lighten the structure of the helmet while strengthening its shock absorption capacity.
  • the cap is made in two parts to integrate the shutter: a first part of the cap, of thin thickness, is molded on the shell. Another part of the cap, produced in a second mold and carrying the shutter, can be added from inside the helmet. The shutter then moves between two layers of cap.
  • the shell is made in two parts: a first shell part is then molded and the shell is molded over or vice versa.
  • the cap then carries the lateral cavities and the channels.

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  • Helmets And Other Head Coverings (AREA)

Claims (15)

  1. Sporthelm mit einer Außenschale (2) und einer Innenauskleidung (1), wobei die Schale und die Innenauskleidung
    einerseits einen Entlüftungskreislauf (A) zum Ableiten warmer Luft abgrenzen, der von jeweils durch die Innenschale (1) und die Außenschale (2) führende Schlitze (11a, 11b, 21a, 21b) abgegrenzt wird, und andererseits einen Belüftungskreislauf (V) zur Entfernung von Beschlag eines unabhängigen Sehapparates (M), der von den am vorderen Teil des Helms ausgebildeten Ansaugöffnungen (10) und den an der Außenschale (2) ausgebildeten Ausstoßöffnungen (20) abgegrenzt wird, dadurch gekennzeichnet, dass der Helm des Weiteren einen verstellbaren Verschluss (3) umfasst, an dem der Luftdurchsatz des Entlüftungskreislaufs (A) und des Belüftungskreislaufs (V) reversibel verstellt werden kann.
  2. Sporthelm nach Anspruch 1, dadurch gekennzeichnet, dass der Verschluss (3) den Entlüftungskreislauf (A) mit dem Belüftungskreislauf (V) verbindet.
  3. Sporthelm nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Verschluss (3) eine längliche Öffnung (30) umfasst.
  4. Sporthelm nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Verschluss (3) einen Betätigungsstift (35) umfasst, der durch die Außenschale (2) nach außen ragt.
  5. Sporthelm nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der verstellbare Verschluss (3) eine axiale Lasche (31) umfasst, die an beiden Seiten mit zwei Armen (32) verbunden ist, die jeweils eine Klappe (33) tragen, die ein Ventil zwischen dem Entlüftungskreislauf (A) und dem Belüftungskreislauf (V) bildet.
  6. Sporthelm nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Entlüftungskreislauf (A) auf der Innenauskleidung (1) einen mittigen Hohlraum (12) und mindestens zwei seitliche Hohlräume (13) umfasst, wobei die Hohlräume den verstellbaren Verschluss (3) aufnehmen und mit den Schlitzen (11a, 11b, 21a, 21b) in Verbindung stehen.
  7. Sporthelm nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Belüftungskreislauf (V) mindestens zwei seitliche Kanäle (15) umfasst, die auf der Innenauskleidung (1) zwischen den Ansaugöffnungen (10) und den seitlichen Hohlräumen (13) des Entlüftungskreislaufs (A) ausgebildet sind, mit denen sie über eine Durchführung (16) in Verbindung stehen.
  8. Sporthelm nach den Ansprüchen 5 bis 7, dadurch gekennzeichnet, dass die axiale Lasche (31) so gestaltet ist, dass sie im mittigen Hohlraum (12) entlang gleitet, während die Klappen (33) so gestaltet sind, dass sie in den seitlichen Hohlräumen (13) durch Verschiebung der Arme (32) unter Einwirkung der Lasche (31) zwischen einer Position der Isolierung des Entlüftungskreislaufs (A) bzw. des Belüftungskreislaufs (V) und einer Verbindungsposition, in der die seitlichen Kanäle (15) des Belüftungskreislaufs (V) über die Durchführung (16) zu den seitlichen Hohlräumen (13) des Entlüftungskreislaufs (A) führen, schwenken können.
  9. Sporthelm nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass die Ausstoßöffnungen (20) des Belüftungskreises (V) mit den Kanälen (15) stromaufwärts der Durchführung (16) in Verbindung stehen.
  10. Sporthelm nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass die genannten Kanäle (15) des Belüftungskreislaufs (V) einen Querschnitt aufweisen, der sich von stromaufwärts nach stromabwärts verengt.
  11. Sporthelm nach einem der Ansprüche 5 bis 10, dadurch gekennzeichnet, dass die Arme (32) ein gebogenes Profil haben und so gestaltet sind, dass sie in kreisförmigen Führungsnuten (14), die zwischen dem mittigen Hohlraum (12) und den seitlichen Hohlräumen (13) der Innenauskleidung (1) ausgebildet sind, entlang gleiten.
  12. Sporthelm nach einem der Ansprüche 5 bis 11, dadurch gekennzeichnet, dass die Klappen (33) auf Verbindungsmitteln (34) hergestellt sind, die mit den Armen verbunden und in den seitlichen Hohlräumen (13) drehbar befestigt sind.
  13. Sporthelm nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Entlüftungskreislauf (A) einerseits mindestens einen oberen Schlitz (lia) der Innenauskleidung (1) umfasst, der sich gegenüber mindestens einem oberen Schlitz (21a) der Außenschale (2) erstreckt, und andererseits mindestens zwei seitliche untere Schlitze (11b) der Innenauskleidung (1), die sich gegenüber mindestens zwei entsprechenden Schlitzen (21b) der Außenschale (2) erstrecken.
  14. Sporthelm nach den Ansprüchen 12 und 13, dadurch gekennzeichnet, dass die Oberseite (34b) der Verbindungsmittel (34) eine Klappe zum Schließen der Schlitze (21b) der Schale (2) bildet.
  15. Sporthelm nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Belüftungskreislauf (V) mindestens zwei frontale Ansaugöffnungen (10) an der Innenauskleidung (1) und mindestens zwei entsprechende Ausstoßöffnungen (20) an der Außenschale (2) umfasst, die sich versetzt zur Rückseite des Helms hin erstrecken.
EP18184979.5A 2017-07-26 2018-07-23 Sporthelm mit verstärkten belüftungs- und antibeschlagseigenschaften Active EP3434127B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1757102A FR3069418B1 (fr) 2017-07-26 2017-07-26 Casque de sport a capacites d’aeration et de desembuage renforcees

Publications (2)

Publication Number Publication Date
EP3434127A1 EP3434127A1 (de) 2019-01-30
EP3434127B1 true EP3434127B1 (de) 2020-04-01

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US (1) US20190029356A1 (de)
EP (1) EP3434127B1 (de)
FR (1) FR3069418B1 (de)

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EP3277116B1 (de) * 2015-03-30 2021-01-27 Dainese S.p.A. Schutzhelm

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EP3434127A1 (de) 2019-01-30
FR3069418B1 (fr) 2019-11-29
FR3069418A1 (fr) 2019-02-01
US20190029356A1 (en) 2019-01-31

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