EP2084980B1 - Rembourrage de la coiffe interne d'un casque de sécurité - Google Patents

Rembourrage de la coiffe interne d'un casque de sécurité Download PDF

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Publication number
EP2084980B1
EP2084980B1 EP09151520A EP09151520A EP2084980B1 EP 2084980 B1 EP2084980 B1 EP 2084980B1 EP 09151520 A EP09151520 A EP 09151520A EP 09151520 A EP09151520 A EP 09151520A EP 2084980 B1 EP2084980 B1 EP 2084980B1
Authority
EP
European Patent Office
Prior art keywords
padding
helmet
rigid shell
inner cap
semi
Prior art date
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Active
Application number
EP09151520A
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German (de)
English (en)
Other versions
EP2084980A2 (fr
EP2084980A3 (fr
Inventor
Piero Malpezzi
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.)
Individual
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Individual
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Filing date
Publication date
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Publication of EP2084980A2 publication Critical patent/EP2084980A2/fr
Publication of EP2084980A3 publication Critical patent/EP2084980A3/fr
Application granted granted Critical
Publication of EP2084980B1 publication Critical patent/EP2084980B1/fr
Active legal-status Critical Current
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Classifications

    • 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
    • A42B3/12—Cushioning devices

Definitions

  • This invention relates to a padding of the inner cap of a safety helmet.
  • the padding according to this invention is suitable for various types of safety helmets, both for civilian and military use; for example, it may be inserted, in either a fixed or removable manner, inside an aeronautical or infantry helmet, an automobile, motorcycle or bicycle helmet, a helmet for firemen, building site workers or for sports purposes, etc.
  • the helmet is a protective structure worn on a person's head, and rests mainly on the neurocranium, or skull, and, in certain cases, partially on the splanchnocranium, or facial skeleton.
  • the helmet comprises an inner cap and an outer rigid shell, which is generally connected to a strap that tightens beneath the chin.
  • the outer shell transmits the pressure wave to the skull or to the face of the person through the inner cap.
  • the function of the inner cap is to mitigate and uniformly distribute the load to the head of the person wearing the helmet.
  • the inner cap comprises a soft padding, which comes into contact with the head, and a semi-rigid shell, generally made of polystyrene, placed between the padding and the outer rigid shell.
  • the padding made of resilient material, for example sponge rubber, must fit closely to the head of the person wearing the helmet, so that the helmet may not easily slip off. At the same time, the padding must be comfortable for the wearer and, if necessary, permit adequate aeration.
  • a first shortcoming is due to the fact that they exert a pressure on the temporal and iliabular areas of the head which disturbs the proprioceptive and exteroceptive functions.
  • FR 2786670 discloses a helmet comprising a hardshell that encases a central core and custioning areas having differing densities, such that during an impact the deformation varies with the area of the head that is covered.
  • the posture of the body and the reciprocal position of the neck and the trunk are maintained by means of a complex relationship between sensory information and commands to the motor muscles.
  • the processing, coordination and integration of the sensory information takes place by means of a "position control system" which assigns complete control of the movements to the brain.
  • the head When the human body is subjected to a frontal or lateral acceleration, the head, due to the effect of the acceleration, tends to extend either backwards or sideways along the axis of the first cervical vertebra.
  • Golgi tendon organs react to an excess of muscular tension, producing a relaxation of the muscle.
  • the compression of the temporal area and masseteric area by the helmet causes the activation of the Golgi tendon organs which, as mentioned above, cause an inhibitory effect with relative involuntary relaxation of the muscles.
  • This relaxation does not, therefore, enable the teeth to be clenched with the necessary force, and this causes a negative reflex on the neck muscles which cannot contract in an optimum manner.
  • a second shortcoming of the prior art helmets is due to the fact that, during the growing age, a prolonged pressure on the temporal area may influence or alter the person's growth, with possible deformations of the jaw.
  • the aim of this invention is to provide a padding of the inner cap of a safety helmet which overcomes the above-mentioned shortcomings.
  • the above-mentioned aim is achieved by providing a padding of the inner cap of a safety helmet comprising the characteristics shown in one or more of the attached claims.
  • numeral 1 denotes a safety helmet, comprising an inner cap 2 and an outer rigid shell 3.
  • the helmet 1 shown is, in particular, an automobile or motorcycle helmet, but, more generally, it could be any helmet for civilian or military purposes.
  • the inner cap 2 is formed of a soft padding 4, which comes into contact with the head, and a semi-rigid shell 5, placed between the padding 4 and the outer rigid shell 3.
  • the padding 4 which may be fixed in place, that is, permanently attached to the helmet 1, or removable, is shaped in such a way that, when worn, it rests and presses only on certain parts of the neurocranium and the splanchnocranium.
  • the padding 4 has material removed, respectively, in its areas 6 corresponding to the temporal muscles MT, in its areas 7 corresponding to the masseter muscles MM and in its area 8 corresponding to the nape N.
  • the padding 4 is shaped so that it comes into contact with the frontal, parietal and occipital areas, with the cheek and the cheek bone, and selectively excludes contact with the temporal area, the masseteric area and the nape.
  • the material is removed from one side of the padding 4 to the other, that is, it consists of an effective absence of material, but, alternatively, it could concern only a surface layer of the padding 4, that is, according to an embodiment not illustrated, it could extend only to a partial depth, with a thickness less than the thickness of the padding 4.
  • the areas 6, 7 and 8 are covered and closed by the semi-rigid shell 5, which, like the rest of the outer rigid shell 3, is advantageously free of openings, at least in its areas corresponding to areas 6, 7 and 8.
  • the removal of material made at the temporal muscles MT is defined by respective through holes 9 having a substantially trapezoidal shape, whilst that made at the masseter muscles MM and nape N is defined by respective moving back of the perimeter boundaries, that is, the padding 4 has a reduced extension in order not to cover the masseter muscles MM and the nape N.
  • the holes 9 have a different shape compared with those of figure 3 , in particular they have an elongated, substantially elliptical shape.
  • the padding is removable, it may be advantageously customised, both in terms of the size and the shape and the extension of the above-mentioned removal of material.
  • the padding could be transferred from one helmet to another, or it could replace the traditional one already present in the helmet.

Landscapes

  • Helmets And Other Head Coverings (AREA)

Claims (10)

  1. Rembourrage de la coiffe interne d'un casque de sécurité, le casque (1) comprenant une coque rigide externe (3) et la coiffe interne (2) comprenant une coque semi-rigide (5) placée entre le rembourrage (4) et la coque rigide externe (3), le rembourrage (4) se caractérisant en ce que le matériel (9) s'enlève respectivement de ses logements (6) correspondant aux muscles temporaux (MT), les logements (6) correspondant aux muscles temporaux (MT) étant recouverts, dans le casque (1), par la coque semi-rigide (5).
  2. Rembourrage selon la revendication 1, caractérisé en ce que le matériel (9) s'enlève respectivement de ses logements (7) correspondant aux muscles masséters (MM), les logements (7) correspondant aux muscles masséters (MM) étant recouverts, dans le casque (1), par la coque semi-rigide (5).
  3. Rembourrage selon les revendications 1 ou 2, caractérisé en ce que le matériel s'enlève respectivement de son logement (8) correspondant à la nuque (N), le logement (8) correspondant à la nuque (N) étant recouvert, dans le casque (1), par la coque semi-rigide (5).
  4. Rembourrage selon une quelconque des revendications précédentes 1 à 3, caractérisé en ce que le matériel s'enlève d'un côté du rembourrage (4) à l'autre, le matériel enlevé étant fermé, dans le casque (1), par la coque semi-rigide (5).
  5. Rembourrage selon la revendication 1, caractérisé en ce que le matériel retiré au niveau des muscles temporaux (MT) est délimité par des trous traversants respectifs (9), les trous traversants (9) étant fermés, dans le casque (1), par la coque semi-rigide (5).
  6. Rembourrage selon la revendication 5, caractérisé en ce que les trous traversants (9) ont une forme essentiellement trapézoïdale.
  7. Rembourrage selon la revendication 5, caractérisé en ce que les trous traversants (9) ont une forme allongée.
  8. Rembourrage selon la revendication 7, caractérisé en ce que les trous traversants (9) ont une forme essentiellement elliptique.
  9. Casque de sécurité, comprenant une coiffe interne (2) et une coque rigide externe (3), la coiffe interne (2) comprenant un rembourrage souple (4), qui entre en contact avec la tête, et une coque semi-rigide (5) placée entre le rembourrage (4) et la coque rigide externe (3), le casque (1) se caractérisant en ce que le rembourrage (4) est fait selon l'une quelconque des revendications précédentes 1 à 8.
  10. Casque selon la revendication 9, caractérisé en ce que le rembourrage (4) peut s'enlever du casque (1).
EP09151520A 2008-01-30 2009-01-28 Rembourrage de la coiffe interne d'un casque de sécurité Active EP2084980B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000063A ITBO20080063A1 (it) 2008-01-30 2008-01-30 Imbottitura della calotta interna di un casco protettivo del capo.

Publications (3)

Publication Number Publication Date
EP2084980A2 EP2084980A2 (fr) 2009-08-05
EP2084980A3 EP2084980A3 (fr) 2010-05-26
EP2084980B1 true EP2084980B1 (fr) 2011-03-23

Family

ID=40289949

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09151520A Active EP2084980B1 (fr) 2008-01-30 2009-01-28 Rembourrage de la coiffe interne d'un casque de sécurité

Country Status (5)

Country Link
EP (1) EP2084980B1 (fr)
AT (1) ATE502533T1 (fr)
DE (1) DE602009000922D1 (fr)
ES (1) ES2365067T3 (fr)
IT (1) ITBO20080063A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3462763A (en) * 1967-10-03 1969-08-26 Richard C Schneider Impact absorbing protective headgear
WO2000033689A1 (fr) * 1998-12-07 2000-06-15 Catalin Obreja Casque de protection
FR2786670B1 (fr) * 1998-12-07 2002-05-03 Catalin Obreja Coque externe pour casques de protection cranio-cerebrale
US7958573B2 (en) * 2006-01-19 2011-06-14 Gentex Corporation Size adjustable safety and comfort liner for a helmet

Also Published As

Publication number Publication date
EP2084980A2 (fr) 2009-08-05
ITBO20080063A1 (it) 2009-07-31
DE602009000922D1 (de) 2011-05-05
ATE502533T1 (de) 2011-04-15
ES2365067T3 (es) 2011-09-21
EP2084980A3 (fr) 2010-05-26

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