EP2844098A1 - Protective helmet for mechanical, electrical and thermal stress protection, for electricians - Google Patents

Protective helmet for mechanical, electrical and thermal stress protection, for electricians

Info

Publication number
EP2844098A1
EP2844098A1 EP12726154.3A EP12726154A EP2844098A1 EP 2844098 A1 EP2844098 A1 EP 2844098A1 EP 12726154 A EP12726154 A EP 12726154A EP 2844098 A1 EP2844098 A1 EP 2844098A1
Authority
EP
European Patent Office
Prior art keywords
face shield
flexible flap
outer shell
helmet
shell
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.)
Granted
Application number
EP12726154.3A
Other languages
German (de)
French (fr)
Other versions
EP2844098B1 (en
Inventor
Nicolas HILLION
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.)
Catu SAS
Original Assignee
Catu SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Catu SAS filed Critical Catu SAS
Priority to PL12726154.3T priority Critical patent/PL2844098T3/en
Publication of EP2844098A1 publication Critical patent/EP2844098A1/en
Application granted granted Critical
Publication of EP2844098B1 publication Critical patent/EP2844098B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A42B3/18—Face protection devices
    • 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
    • A42B3/105—Linings with additional protection for the neck
    • 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
    • A42B3/225—Visors with full face protection, e.g. for industrial safety applications

Definitions

  • the invention relates to the general field of protection of electricians and in particular the protective helmets intended to be worn by them.
  • the face shield is irremovable and movable relative to the outer and inner shells. This face shield admits a retracted position in which the screen is partially introduced into a space inside the helmet, which space is defined between the outer shell and the inner shell; as well as a working position in which the screen protrudes from this internal space.
  • the outer and inner shells are configured to protect mechanically and the head of the wearer of the helmet and the part of the neck arranged between the bottom of the head and the upper back (in other words the back of the neck), while the face shield is configured to protect against possible flames and or molten metal projections the wearer's face (ie the face) when this screen is in its deployed configuration.
  • Such protective helmets are highly appreciated because they make it possible to respond in a simple manner to specific, or even standardized, protection criteria for the wearer, in particular as regards mechanical protection and electrical protection.
  • the invention aims to provide a similar protective helmet with improved protection performance, while being particularly simple, convenient and economical both for its use and its manufacture.
  • the invention thus has, in a first aspect, a protective helmet intended to be worn by an electrician, comprising an outer shell, a face shield integrated in said helmet, which face shield is secured to said outer shell so as to be immovable and movable with respect to said outer shell, which face shield further admits a retracted position in which said face shield is introduced at least partially within an internal space of said helmet, which inner space is delimited by said outer shell , and a working position in which said face shield protrudes from said internal space; characterized in that it further comprises a flexible flap integrated in said helmet, which flexible flap is secured to said face shield so as to be irremovable and is movable relative to said face shield, which flexible flap further admits a retracted configuration in which said flexible flap covers at least partially a face of said face shield as well as a work configuration in which said flexible flap is deployed and extends said face shield.
  • the protective helmet according to the invention is particularly effective since in addition to protecting the wearer of the helmet at the level of his head and the back of his neck through the outer shell, as well as on his face, or his face (in other words the front of his head, from the forehead to the chin), thanks to the face shield, this helmet protects thanks to the soft flap the part of the wearer's body going from below the chin to at least the top bust, this part of the body including at least partially the sides of the neck.
  • the helmet according to the invention these performances are particularly convenient and economical to obtain since it is here a bib which is flexible, therefore easily manipulated by the wearer to position correctly in its deployed configuration, and which is further secured immovably directly to the face shield (itself being immovably attached to the outer shell), which flexible flap thus forms an extension of this face shield, while being distinct from the latter (since the flap is flexible while the screen is rigid, even semi-rigid).
  • the helmet according to the invention is particularly safe and easy to use since it forms a unitary piece provided with three irremovable elements of mechanical, electrical and thermal protection, namely the outer shell, the face shield and the bib flexible (these elements are therefore integrated into the helmet); which face shield and which flexible flap are however movable to adopt different positions and configurations, respectively of the screen and the flap, for the protection of the front of the body of the wearer (from the front to the top of the bust).
  • the outer shell, the face shield and the soft flap are further configured so that the passage from one to the other of the positions of the face shield and from one to the other of the configurations of the Soft bib is particularly simple and convenient for the wearer.
  • Said flexible flap is made of a textile material configured to withstand fire
  • said flexible flap is configured to fit said face of said face shield that said floppy flap covers in its retracted configuration
  • said face shield has an inner free edge and an outer free edge opposite to said inner free edge, which internal free edge is in the vicinity of said outer shell both in the retracted and working positions of said face shield, while said free edge external is in the vicinity of said outer shell in said retracted position of said face shield and is remote from said outer shell in said working position of said face shield, and said flexible flap is attached to said outer free edge of said face shield;
  • said flexible flap is secured along a major portion of said outer free edge of said face shield by rivets;
  • said face shield has at least one coating layer configured to withstand infrared rays; said face shield further has a first lateral end and a second lateral end opposite said first lateral end, and is articulated with respect to said outer shell at each of said first and second lateral ends;
  • said outer shell and said inner shell are each made of plastic material molded in one piece and said inner shell is mechanically secured to said outer shell;
  • FIG. 1 shows, schematically in perspective, a protective helmet according to the invention, here in a so-called working state, in other words, whose face screen is in the working position and whose flexible flap is deployed configuration;
  • FIG. 2 is a sectional view along a median plane of the helmet shown in Figure 1, here in a state of rest, ie with the face shield which is in the retracted position and the flexible flap which is in retracted configuration ;
  • FIG. 3 is a side view, in plan, of the helmet illustrated in Figure 1, in the said rest state and the outer shell is partially torn off;
  • FIG. 4 is a side view, in plan, of the helmet illustrated in Figure 1, in an intermediate state showing the transition from the state of rest to the working state; and FIG. 5 is a view similar to FIG. 4, the helmet being in the so-called working state as illustrated in FIG.
  • Figures 1 and 2 illustrate a protective helmet 1 for electrician, respectively in a said working state and in a state said rest.
  • Figure 1 illustrates a protective helmet 1 provided to equip, in other words be worn by an electrician.
  • this protective helmet 1 is configured to protect mechanically, electrically and thermally, and more precisely against the thermal hazards of electric arcs, its wearer when the latter intervenes on electrical equipment and in particular on live bare conductor parts.
  • the carrier in other words the electrician, therefore needs to be protected mechanically, electrically and against thermal hazards due to arcing.
  • This thermal protection means benefiting from resistance to the energy released by the electric arcs.
  • This protection whether mechanical, electrical and / or thermal, is specific and even generally standardized.
  • the protective helmet 1 comprises an outer shell 2 made of plastic, which outer shell 2 is provided with a front zone 8, a rear zone 7 opposite to the front zone 8, a first side 12 and a second side 13 opposite the first side 12.
  • This outer shell 2 delimits an internal space 10 to the helmet 1, which inner space 10 is provided to accommodate a portion of the wearer's head, in particular the portion of the head located between the front to the back of the neck.
  • the protective helmet 1 is furthermore provided with an inner shell 9 (FIG. 2) made of plastic material and mechanically fastened with the outer shell 2.
  • This inner shell 9 is thus formed in the inner space 10 of the helmet 1 and is arranged so that it defines, with the outer shell 2, an inter-shell space 11 formed between these shells 2 and 9.
  • the protective helmet 1 is further provided with a two-part holding strap 5, respectively a relatively short first portion 25 which is secured to the second side 13 of the outer shell 2 and a second portion 26, longer than the first part 25, which is secured to the first side 12 of the outer shell 2.
  • Each of the first and second parts 25, 26 of the strap 5 is secured to the outer shell 2 by means of a securing member here formed by a bolt 6 having a screw and nut assembly, each of the two bolts 6 being fixed on the outer shell 2 through a hole in the latter, respectively on its first side 12 and on its second side 13.
  • this is a ring strap, that is to say that the respective first and second parts 25, 26 of this strap 5 are each provided at their free end with a clamping loop , D-shaped
  • This holding strap 5 is of course intended to hold the protective helmet 1 on its carrier, together with the outer and inner shells 2, 9 since the latter are on the top of the wearer's head then that the holding strap 5 is intended to be disposed under the chin of this carrier.
  • the protective helmet 1 is further provided with a face shield 3 and a flexible flap 4 secured to this face shield 3.
  • the facial screen 3 is here made of tinted plastic to protect the wearer from infrared rays emitted during any arcs or flames.
  • This face shield 3 therefore has at least one layer of coating configured to withstand infrared rays 29 and thus to protect the wearer of the helmet 1 such infrared rays.
  • This facial screen 3 has a generally curved shape substantially similar to the general shape of the front zone 8 of the outer shell 2, between the first side 12 and second side 13 of this outer shell 2.
  • This face shield 3 thus has a central zone defined by an outer edge 14, an inner edge 15 opposite to the outer edge 14 and two lateral ends, respectively a first lateral end 27 and a second lateral end 28 opposite to the first lateral end 27. .
  • This face shield also has an outer face 16 and an inner face 18 opposite to the outer face 16.
  • the inner face 18 of this face shield 3 is the face configured to be directly opposite the face of the wearer of the helmet 1, that is to say his face, as explained below.
  • the face shield 3 is further provided, at its first and second lateral ends 27 and 28, with a notch 17 for mounting the face shield 3 on the outer shell 2 and for guiding this screen 3 compared to the latter.
  • This face shield 3 is mounted in the internal space 10 to the helmet 1, and in particular at least partially in the inter-hull space 11 defined between the outer and inner shells 2 and 9.
  • This face shield 3 is secured to the outer shell 2 at the first and second lateral ends 27 and 28 of this face shield 3, by means of the bolts 6 arranged respectively on the first and second sides 12 and 13 of this outer shell 2, as indicated above.
  • the face shield 3 is therefore secured to the outer shell 2 so as to be irremovable, that is to say integral to the helmet 1, but it is mounted movable relative to the outer shell 2.
  • This face shield 3 is articulated with respect to the outer shell 2, at its first and second lateral ends 27 and 28 and has two positions, namely a retracted position corresponding to the rest state of the helmet 1, illustrated in FIG. 2, and a working position corresponding to the so-called working state of this helmet 1, illustrated in FIG. 1; as shown below in more detail.
  • the flexible flap 4 is in turn made of a textile material, here a treated cotton and configured to withstand fire.
  • This flexible flap 4 is provided to protect the part of the wearer being essentially between his chin and the top of the bust.
  • This flexible flap 4 thus has a particular shape and dimensions to protect this part of the body of the wearer the thermal aggressions caused by the electric arcs, and therefore, this flexible flap 4 also allows to protect this part of the body of the wearer against flames and splashes of molten metal.
  • the flexible flap 4 is secured by a securing portion 23 to the face shield 3 by being secured by rivets 24 along a major part of the outer free edge 14 of this face shield 3.
  • This flexible flap 4 is thus irremovable, in other words integrated into the helmet 1 through the face shield 3, but is movable relative to this face shield 3. Indeed, this flexible flap 4 has a first edge 19 and a second edge 20 opposite the first edge 19, which second edge 20 is also called free edge; so that it is by its first edge 19 and in particular by the securing portion 23 formed in the vicinity of the first edge 19 that the flexible flap 4 is riveted to the face shield 3 at the outer edge 14 of this latest.
  • a plurality of rivets 24 allows this securing of the flexible flap to the facial screen 3.
  • the flexible flap further has an inner face 21 and an outer face 22 opposite to this inner face 21; which inner face 21 is configured to be directly facing or even in contact with the part of the wearer's body located between his chin and the top of the bust.
  • the flexible flap 4 has a general shape complementary to that of the face shield 3, this shape being mainly due to its attachment to this face screen 3 and to the generally curved shape that it has in the vicinity of its second edge 20.
  • the configuration of the flexible flap 4 with respect to the face shield 3 and the material of this flexible flap 4 allow the latter to admit different configurations, namely a first so-called retracted configuration corresponding to the rest state of the helmet 1, illustrated in Figure 2; and a second so-called work configuration corresponding to the so-called working state of the helmet 1, illustrated in FIG. 1; as explained below in more detail.
  • the flexible flap 4 is thus arranged irremovably with respect to the latter and more generally with respect to the outer shell 2; which flexible flap 4 is then described as being integrated in the protective helmet 1, just like the face shield 3.
  • the front 34 of the head 31 of the carrier 30 will be defined as being representative of the face, in other words of the face, which front 34 of the head 31 is opposed to the rear 36 of this head 31, which head 31 also has a top (not shown).
  • Figure 3 illustrates the protective helmet 1 in its so-called rest state. In this state, the face shield 3 is in its retracted position and the flexible flap 4 is in its retracted configuration.
  • the outer shell 2 protects essentially mechanically and electrically the top and the rear 36 of the head 31 of the carrier.
  • the face 34, the front 38 of the neck 32 and the top 39 of the bust 33 is not protected in this state of rest of the helmet 1, where normally the electrician does not intervene on an electrical equipment under voltage.
  • the flexible flap 4 In the retracted configuration of the flexible flap 4, the latter is folded around its securing portion 23, so that its outer face 22 at least partially covers the outer face 16 of the face shield 3.
  • the shape of the flexible flap 4, which is here curved in the vicinity of its second edge 20, and the fire-resistant fabric in which this flexible flap 4 is made allow the latter to follow the curved shape of the outer face 16 of the face shield 3. In this retracted configuration, it is therefore the inner face 21 of the flexible flap 4 which is facing an inner face (not shown) to the outer shell 2.
  • Figure 4 illustrates an intermediate state of the protective helmet 1 showing the transition from its state of rest (Figure 3) to its working state ( Figure 5).
  • the face shield 3 is in the working position while the flexible flap 4 is always in retracted configuration.
  • the face shield 3 is articulated with respect to the outer shell 2, so as to exit almost completely, but not completely, this face screen 3 from the interspace 11.
  • the internal free edge 15 of the face shield 3 is always in the vicinity of the inter-shell space 11, or even always inside the latter, while the outer free edge 14 of this screen facial 3 is meanwhile remote from the inter-shell space 11 and even from the internal space 10 to the helmet 1.
  • the face shield 3 is directly facing the face 34 of the carrier 30, which face 34 extends substantially from the top of the forehead to the chin.
  • Figure 5 illustrates the protective helmet 1 in its working state, as in Figure 1.
  • the flexible flap 4 then discovers the outer face 16 of the face shield 3 and it is now the outer face 22 of this flexible flap 4 which is directed outwardly (that is, which is visible by an observer looking the wearer having the protective helmet in his working state).
  • the flexible flap 4 has a general shape substantially similar to that of the face shield 3, except that this flap 4 is not rigid but flexible and therefore it can have a shape only approximately curved , both in the direction defined between its first edge 9 and its second edge 20, as in the direction defined between the first and second sides 12 and 13 of the outer shell 2 and passing through this flexible flap 4.
  • the latter is arranged next to the body portion of the carrier 30 located between the chin, in other words the bottom of its face 34, and the top 39 of the bust 33, including the front 38 and at least partially the sides of the neck 32.
  • This flexible flap 4 is particularly easy to handle by the wearer 30 of the protective helmet 1.
  • This flexible flap 4 thus protects the wearer from thermal attack due to electric arcs, flames and molten metal splashes, beyond the face shield 3 without however hindering the movements of the wearer, due to the flexibility of this bib 4.
  • the protective helmet 1 described above thus offers a particularly complete protection of the areas of the head and the top of the bust of the wearer may be subjected to stress and / or mechanical, electrical and / or thermal attacks during his interventions on electrical equipment , while being particularly simple and convenient to use, in other words to pass from one to the other of the configurations of this flexible flap 4, and from one to the other of the positions of this face shield 3; and while being particularly safe since it is here a protective helmet 1 whose protective elements, namely the outer shell 2, the inner shell 9, the face shield 3 and the flexible flap 4 are integrated to the protective helmet 1.
  • the flexible flap 4 is first folded around its securing portion 23 to cover at least partially the outer face of the facial screen 3 and then the facial screen 3 is hinged so as to be almost completely reintroduced, together with this flexible flap 4, in the inter-hull space 1.
  • the protective helmet does not have an inner shell and does not have an inter-shell space and the assembly formed by the face shield and the flexible flap, respectively in the retracted position and in the retracted configuration, is directly inserted into the internal space to the helmet;
  • the protective helmet has no outer shell and inner, but rather has a first shell similar to the outer shell visible in the figures and a second shell secured to the first shell and extending to the right of the latter; the first shell thus forms an outer half-shell and an inner half-shell, while the second shell forms another outer half-shell;
  • the face shield has no anti-infrared coating layer and the face shield has no tint or other types of colors;
  • the flexible flap is made of unnatural fibers and processed rather than natural fibers, such as cotton;
  • the securing of the flexible flap on the face shield is not made using rivets, it is rather a adhesion for example self-adhesive or an adhesion with hooks, for example Velcro® type, even a system configured as a zipper, or more generally with other mechanical means than rivets, for example screws;
  • the securing organs of the face shield to the outer shell are different bolts, it is rather rods with circlips or screw alone, even quarter-turn bayonet type systems; and or
  • the protective helmet is devoid of a holding strap or has a strap of a type different from the loops having a D-shape and, for example, it is a mechanical system with a locking hook such as those used for example to buckle seat belts in vehicles.

Landscapes

  • Helmets And Other Head Coverings (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention concerns a protective helmet designed to be worn by an electrician, comprising: an outer shell (2); a face shield (3) integral with said helmet (1), said face shield is irremovably secured to said outer shell and is mobile relative to said outer shell, and allows a stowed position in which it is at least partially inserted into an inner space of said helmet (1) which is defined by said outer shell, and a working position in which it projects from said inner space; and a flexible flap (4) integral with said helmet, which is irremovably secured to said face shield, and mobile relative to said face shield, and which further allows a retracted configuration in which it at least partially covers a surface (16) of said face shield and a working configuration in which it is deployed and extends said face shield.

Description

Casque de protection mécanique, électrique et contre les agressions thermiques, pour électriciens  Helmet of mechanical protection, electrical and against the thermal aggressions, for electricians
L'invention concerne le domaine général de la protection des électriciens et en particulier les casques de protection prévus pour être portés par ces derniers. The invention relates to the general field of protection of electricians and in particular the protective helmets intended to be worn by them.
On connaît déjà de tels casques de protection réalisés en matière plastique et pourvus d'une coque externe, d'une coque interne et d'un écran facial intégré au casque.  Already known such protective helmets made of plastic and provided with an outer shell, an inner shell and a face shield integrated helmet.
L'écran facial est inamovible et mobile par rapport aux coques externe et interne. Cet écran facial admet une position escamotée dans laquelle l'écran est partiellement introduit dans un espace interne au casque, lequel espace est défini entre la coque externe et la coque interne ; ainsi qu'une position de travail dans laquelle l'écran saille de cet espace interne.  The face shield is irremovable and movable relative to the outer and inner shells. This face shield admits a retracted position in which the screen is partially introduced into a space inside the helmet, which space is defined between the outer shell and the inner shell; as well as a working position in which the screen protrudes from this internal space.
Lorsqu'un électricien porteur de ce casque agit au voisinage d'appareillages électriques sous tension ou à proximité de pièces conductrices nues sous tension de ces appareillages, par exemple des câbles ou des barres électriques, les coques externe et interne sont configurées pour protéger mécaniquement et électriquement la tête du porteur du casque ainsi que la partie du cou disposée entre le bas de la tête et le haut du dos (autrement dit l'arrière du cou), tandis que l'écran facial est configuré pour protéger d'éventuelles flammes et/ou de projections de métal en fusion le visage du porteur (autrement dit la face) lorsque cet écran se trouve dans sa configuration déployée.  When an electrician carrying this headset acts in the vicinity of live electrical equipment or in the vicinity of bare live conductor parts of these devices, for example cables or electrical bars, the outer and inner shells are configured to protect mechanically and the head of the wearer of the helmet and the part of the neck arranged between the bottom of the head and the upper back (in other words the back of the neck), while the face shield is configured to protect against possible flames and or molten metal projections the wearer's face (ie the face) when this screen is in its deployed configuration.
De tels casques de protection sont très appréciés car ils permettent de répondre de manière simple à des critères spécifiques, voire normalisés, de protection du porteur, notamment en matière de protection mécanique et de protection électrique.  Such protective helmets are highly appreciated because they make it possible to respond in a simple manner to specific, or even standardized, protection criteria for the wearer, in particular as regards mechanical protection and electrical protection.
L'invention vise à fournir un casque de protection du même genre mais aux performances de protection améliorées, tout en étant particulièrement simple, commode et économique tant à son utilisation qu'à sa fabrication. L'invention a ainsi pour objet, sous un premier aspect, un casque de protection prévu pour être porté par un électricien, comportant une coque externe, un écran facial intégré audit casque, lequel écran facial est assujetti à ladite coque externe de manière à être inamovible et est mobile par rapport ladite coque externe, lequel écran facial admet en outre une position escamotée dans laquelle ledit écran facial est introduit au moins partiellement à l'intérieur d'un espace interne audit casque, lequel espace interne est délimité par ladite coque externe, et une position de travail dans laquelle ledit écran facial saille dudit espace interne ; caractérisé en ce qu'il comporte en outre une bavette souple intégrée audit casque, laquelle bavette souple est assujettie audit écran facial de manière à être inamovible et est mobile par rapport audit écran facial, laquelle bavette souple admet en outre une configuration rétractée dans laquelle ladite bavette souple recouvre au moins partiellement une face dudit écran facial ainsi qu'une configuration de travail dans laquelle ladite bavette souple est déployée et prolonge ledit écran facial. The invention aims to provide a similar protective helmet with improved protection performance, while being particularly simple, convenient and economical both for its use and its manufacture. The invention thus has, in a first aspect, a protective helmet intended to be worn by an electrician, comprising an outer shell, a face shield integrated in said helmet, which face shield is secured to said outer shell so as to be immovable and movable with respect to said outer shell, which face shield further admits a retracted position in which said face shield is introduced at least partially within an internal space of said helmet, which inner space is delimited by said outer shell , and a working position in which said face shield protrudes from said internal space; characterized in that it further comprises a flexible flap integrated in said helmet, which flexible flap is secured to said face shield so as to be irremovable and is movable relative to said face shield, which flexible flap further admits a retracted configuration in which said flexible flap covers at least partially a face of said face shield as well as a work configuration in which said flexible flap is deployed and extends said face shield.
Le casque de protection selon l'invention est particulièrement performant puisqu'en plus de protéger le porteur du casque au niveau de sa tête et de l'arrière de son cou grâce à la coque externe, ainsi qu'au niveau de sa face, ou son visage (autrement dit l'avant de sa tête, du front au menton), grâce à l'écran facial, ce casque protège grâce à la bavette souple la partie du corps du porteur allant du dessous du menton au moins jusqu'en haut du buste, cette partie du corps incluant au moins partiellement les côtés du cou.  The protective helmet according to the invention is particularly effective since in addition to protecting the wearer of the helmet at the level of his head and the back of his neck through the outer shell, as well as on his face, or his face (in other words the front of his head, from the forehead to the chin), thanks to the face shield, this helmet protects thanks to the soft flap the part of the wearer's body going from below the chin to at least the top bust, this part of the body including at least partially the sides of the neck.
Grâce au casque selon l'invention, ces performances sont particulièrement commodes et économiques à obtenir puisqu'il s'agit ici d'une bavette qui est souple, donc aisément manipulable par le porteur pour la positionner correctement dans sa configuration déployée, et qui est en outre assujettie de manière inamovible directement à l'écran facial (lui-même étant assujetti de manière inamovible à la coque externe), laquelle bavette souple forme ainsi un prolongement de cet écran facial, tout en étant distincte de ce dernier (puisque la bavette est souple alors que l'écran est rigide, voire semi- rigide). En outre, le casque selon l'invention est particulièrement sûr et facile d'utilisation puisqu'il forme une pièce unitaire pourvue de trois éléments inamovibles de protection mécanique, électrique et thermique, à savoir la coque externe, l'écran facial et la bavette souple (ces éléments sont donc intégrés au casque) ; lequel écran facial et laquelle bavette souple sont toutefois mobiles pour adopter différentes positions et configurations, respectivement de l'écran et de la bavette, pour la protection de l'avant du corps du porteur (du front au haut du buste). Thanks to the helmet according to the invention, these performances are particularly convenient and economical to obtain since it is here a bib which is flexible, therefore easily manipulated by the wearer to position correctly in its deployed configuration, and which is further secured immovably directly to the face shield (itself being immovably attached to the outer shell), which flexible flap thus forms an extension of this face shield, while being distinct from the latter (since the flap is flexible while the screen is rigid, even semi-rigid). In addition, the helmet according to the invention is particularly safe and easy to use since it forms a unitary piece provided with three irremovable elements of mechanical, electrical and thermal protection, namely the outer shell, the face shield and the bib flexible (these elements are therefore integrated into the helmet); which face shield and which flexible flap are however movable to adopt different positions and configurations, respectively of the screen and the flap, for the protection of the front of the body of the wearer (from the front to the top of the bust).
La coque externe, l'écran facial et la bavette souple sont en outre configurés de telle sorte que le passage de l'une à l'autre des positions de l'écran facial et de l'une à l'autre des configurations de la bavette souple est particulièrement simple et commode pour le porteur.  The outer shell, the face shield and the soft flap are further configured so that the passage from one to the other of the positions of the face shield and from one to the other of the configurations of the Soft bib is particularly simple and convenient for the wearer.
Selon des caractéristiques préférées, simples, commodes et économiques du casque de protection selon l'invention :  According to preferred, simple, convenient and economical characteristics of the protective helmet according to the invention:
- ladite bavette souple est réalisée en une matière textile configurée pour résister au feu ;  - Said flexible flap is made of a textile material configured to withstand fire;
ladite bavette souple est configurée pour épouser ladite face dudit écran facial que ladite bavette souple recouvre dans sa configuration rétractée ;  said flexible flap is configured to fit said face of said face shield that said floppy flap covers in its retracted configuration;
- ledit écran facial présente un bord libre interne et un bord libre externe opposé audit bord libre interne, lequel bord libre interne est au voisinage de ladite coque externe à la fois dans les positions escamotée et de travail dudit écran facial, tandis que ledit bord libre externe est au voisinage de ladite coque externe dans ladite position escamotée dudit écran facial et est à distance de ladite coque externe dans ladite position de travail dudit écran facial, et ladite bavette souple est fixée sur ledit bord libre externe dudit écran facial ;  said face shield has an inner free edge and an outer free edge opposite to said inner free edge, which internal free edge is in the vicinity of said outer shell both in the retracted and working positions of said face shield, while said free edge external is in the vicinity of said outer shell in said retracted position of said face shield and is remote from said outer shell in said working position of said face shield, and said flexible flap is attached to said outer free edge of said face shield;
ladite bavette souple est fixée le long d'une majeure partie dudit bord libre externe dudit écran facial par des rivets ;  said flexible flap is secured along a major portion of said outer free edge of said face shield by rivets;
- ledit écran facial présente au moins une couche de revêtement configuré pour résister aux rayons infrarouges ; ledit écran facial présente en outre une première extrémité latérale et une deuxième extrémité latérale opposée à ladite première extrémité latérale, et est articulé par rapport à ladite coque externe au niveau de chacune desdites première et deuxième extrémités latérales ; said face shield has at least one coating layer configured to withstand infrared rays; said face shield further has a first lateral end and a second lateral end opposite said first lateral end, and is articulated with respect to said outer shell at each of said first and second lateral ends;
- il comporte en outre une coque interne disposée dans ledit espace interne et fixée à ladite coque externe, lesquelles coques externe et interne définissent entre elles un espace inter-coques dans lequel est au moins partiellement introduit ledit écran facial et ladite bavette souple lorsque ces derniers sont respectivement en position escamotée et en configuration rétractée ;  - It further comprises an inner shell disposed in said inner space and fixed to said outer shell, which outer and inner shells define between them an inter-shells space in which is at least partially introduced said face shield and said flexible flap when the latter are respectively in the retracted position and retracted configuration;
ladite coque externe et ladite coque interne sont chacune réalisée en matière plastique moulée d'une seule pièce et ladite coque interne est assujettie mécaniquement à ladite coque externe ; et/ou  said outer shell and said inner shell are each made of plastic material molded in one piece and said inner shell is mechanically secured to said outer shell; and or
il comporte en outre une sangle de maintien en deux parties, chacune des deux dites parties étant assujettie à ladite coque externe.  it further comprises a holding strap in two parts, each of said two parts being secured to said outer shell.
On va maintenant poursuivre l'exposé de l'invention par la description d'un exemple de réalisation, donnée ci-après à titre illustratif et non limitatif, en référence aux dessins annexés sur lesquels :  We will now continue the description of the invention by the description of an exemplary embodiment, given below by way of illustration and not limitation, with reference to the accompanying drawings in which:
- la figure 1 représente, schématiquement en perspective, un casque de protection conforme à l'invention, ici dans un état dit de travail, autrement dit dont l'écran facial est en position de travail et dont la bavette souple est en configuration déployée ;  - Figure 1 shows, schematically in perspective, a protective helmet according to the invention, here in a so-called working state, in other words, whose face screen is in the working position and whose flexible flap is deployed configuration;
- la figure 2 est une vue en coupe selon un plan médian du casque illustré sur la figure 1 , ici dans un état dit de repos, autrement dit avec l'écran facial qui est en position escamotée et la bavette souple qui est en configuration rétractée ;  - Figure 2 is a sectional view along a median plane of the helmet shown in Figure 1, here in a state of rest, ie with the face shield which is in the retracted position and the flexible flap which is in retracted configuration ;
- la figure 3 est une vue de côté, en plan, du casque illustré sur la figure 1 , dans l'état dit de repos et dont la coque externe est partiellement arrachée ;  - Figure 3 is a side view, in plan, of the helmet illustrated in Figure 1, in the said rest state and the outer shell is partially torn off;
- la figure 4 est une vue de côté, en plan, du casque illustré sur la figure 1 , dans un état intermédiaire montrant le passage de l'état de repos à l'état de travail ; et - la figure 5 est une vue similaire à la figure 4, le casque étant dans l'état dit de travail comme illustré sur la figure 1. - Figure 4 is a side view, in plan, of the helmet illustrated in Figure 1, in an intermediate state showing the transition from the state of rest to the working state; and FIG. 5 is a view similar to FIG. 4, the helmet being in the so-called working state as illustrated in FIG.
Les figures 1 et 2 illustrent un casque de protection 1 pour électricien, respectivement dans un état dit de travail et dans un état dit de repos.  Figures 1 and 2 illustrate a protective helmet 1 for electrician, respectively in a said working state and in a state said rest.
Dans l'état de repos (figure 2), le porteur du casque 1 , autrement dit l'électricien, n'est essentiellement protégé que mécaniquement et électriquement alors que dans l'état de travail (figurel), le porteur est en outre ici protégé contre les agressions thermiques, comme expliqué ci-après.  In the state of rest (FIG. 2), the wearer of the helmet 1, in other words the electrician, is essentially protected only mechanically and electrically, whereas in the working state (figurel) the wearer is also here protected against thermal attack, as explained below.
La figure 1 illustre un casque de protection 1 prévu pour équiper, autrement dit être porté, par un électricien. En particulier, ce casque de protection 1 est configuré pour protéger mécaniquement, électriquement et thermiquement, et plus précisément contre les dangers thermiques d'arcs électriques, son porteur lorsque ce dernier intervient sur des appareillages électriques et en particulier sur pièces conductrices nues sous tension.  Figure 1 illustrates a protective helmet 1 provided to equip, in other words be worn by an electrician. In particular, this protective helmet 1 is configured to protect mechanically, electrically and thermally, and more precisely against the thermal hazards of electric arcs, its wearer when the latter intervenes on electrical equipment and in particular on live bare conductor parts.
Ces interventions sont particulièrement dangereuses puisqu'elles ont lieu par exemple sur des câbles électriques sous tension, aériens, souterrains ou au sol. Les risques d'électrocution et les risques de brûlure sont présents du fait d'éventuels arcs électriques à la déconnexion et à la reconnexion de ces câbles électriques.  These interventions are particularly dangerous since they take place for example on live, overhead, underground or ground electrical cables. The risks of electrocution and the risk of burn are present due to possible arcing at the disconnection and reconnection of these electric cables.
Le porteur, autrement dit l'électricien, nécessite donc d'être protégé mécaniquement, électriquement et contre les dangers thermiques dues aux arcs électriques. On entend par cette protection thermique le fait de bénéficier d'une résistance à l'énergie dégagée par les arcs électriques. Cette protection, qu'elle soit mécanique, électrique et/ou thermique, est spécifique et même généralement normalisée.  The carrier, in other words the electrician, therefore needs to be protected mechanically, electrically and against thermal hazards due to arcing. This thermal protection means benefiting from resistance to the energy released by the electric arcs. This protection, whether mechanical, electrical and / or thermal, is specific and even generally standardized.
Il est donc nécessaire que l'électricien, porteur du casque de protection 1 , soit protégé aussi bien au niveau de sa tête, de l'arrière du cou, de sa face, autrement dit du visage, incluant notamment les yeux, et de la partie du corps allant du menton au haut du buste, incluant donc l'avant et au moins partiellement les côtés du cou. Le casque de protection 1 comporte une coque externe 2 réalisée en matière plastique, laquelle coque externe 2 est pourvue d'une zone avant 8, d'une zone arrière 7 opposée à la zone avant 8, d'un premier côté 12 et d'un deuxième côté 13 opposé au premier côté 12. It is therefore necessary for the electrician, wearing the protective helmet 1, to be protected both at the level of his head, the back of the neck, his face, in other words the face, including the eyes, and the part of the body from the chin to the top of the bust, thus including the front and at least partially the sides of the neck. The protective helmet 1 comprises an outer shell 2 made of plastic, which outer shell 2 is provided with a front zone 8, a rear zone 7 opposite to the front zone 8, a first side 12 and a second side 13 opposite the first side 12.
Cette coque externe 2 délimite un espace interne 10 au casque 1 , lequel espace interne 10 est prévu pour accueillir une partie de la tête du porteur, en particulier la partie de la tête située entre le front jusqu'à l'arrière du cou.  This outer shell 2 delimits an internal space 10 to the helmet 1, which inner space 10 is provided to accommodate a portion of the wearer's head, in particular the portion of the head located between the front to the back of the neck.
Le casque de protection 1 est en outre pourvu d'une coque interne 9 (figure 2) réalisée en matière plastique et assujettie mécaniquement avec la coque externe 2.  The protective helmet 1 is furthermore provided with an inner shell 9 (FIG. 2) made of plastic material and mechanically fastened with the outer shell 2.
Cette coque interne 9 est donc ménagée dans l'espace interne 10 au casque 1 et est disposée de telle sorte qu'elle définit, avec la coque externe 2, un espace inter-coques 11 ménagé entre ces coques 2 et 9.  This inner shell 9 is thus formed in the inner space 10 of the helmet 1 and is arranged so that it defines, with the outer shell 2, an inter-shell space 11 formed between these shells 2 and 9.
Le casque de protection 1 est en outre pourvu d'une sangle de maintien 5 en deux parties, respectivement une première partie 25 relativement courte qui est assujettie au deuxième côté 13 de la coque externe 2 et une deuxième partie 26, plus longue que la première partie 25, qui est assujettie au premier côté 12 de la coque externe 2.  The protective helmet 1 is further provided with a two-part holding strap 5, respectively a relatively short first portion 25 which is secured to the second side 13 of the outer shell 2 and a second portion 26, longer than the first part 25, which is secured to the first side 12 of the outer shell 2.
Chacune des première et deuxième parties 25, 26 de la sangle 5 est assujettie à la coque externe 2 par l'intermédiaire d'un organe d'assujettissement formé ici par un boulon 6 comportant un ensemble vis et écrou, chacun des deux boulons 6 étant fixé sur la coque externe 2 au travers d'un trou ménagé dans cette dernière, respectivement sur son premier côté 12 et sur son deuxième côté 13.  Each of the first and second parts 25, 26 of the strap 5 is secured to the outer shell 2 by means of a securing member here formed by a bolt 6 having a screw and nut assembly, each of the two bolts 6 being fixed on the outer shell 2 through a hole in the latter, respectively on its first side 12 and on its second side 13.
On observera qu'il s'agit ici d'une sangle à anneaux, c'est-à-dire que les première et deuxième partie respectives 25, 26 de cette sangle 5 sont pourvues chacune à leur extrémité libre d'une boucle de serrage, en forme de D.  It will be observed that this is a ring strap, that is to say that the respective first and second parts 25, 26 of this strap 5 are each provided at their free end with a clamping loop , D-shaped
Cette sangle de maintien 5 est prévue bien entendu pour maintenir le casque de protection 1 sur son porteur, ensemble avec les coques externe et interne 2, 9 puisque ces dernières sont sur le haut de la tête du porteur alors que la sangle de maintien 5 est prévue pour être disposée sous le menton de ce porteur. This holding strap 5 is of course intended to hold the protective helmet 1 on its carrier, together with the outer and inner shells 2, 9 since the latter are on the top of the wearer's head then that the holding strap 5 is intended to be disposed under the chin of this carrier.
Le casque de protection 1 est en outre pourvu d'un écran facial 3 et d'une bavette souple 4 assujettie à cet écran facial 3.  The protective helmet 1 is further provided with a face shield 3 and a flexible flap 4 secured to this face shield 3.
L'écran facial 3 est ici réalisé en matière plastique teintée pour protéger le porteur de rayons infrarouges émis lors d'éventuels arcs électriques ou flammes. Cet écran facial 3 présente donc au moins une couche de revêtement configuré pour résister aux rayons infrarouges 29 et donc pour protéger le porteur du casque 1 de tels rayons infrarouges.  The facial screen 3 is here made of tinted plastic to protect the wearer from infrared rays emitted during any arcs or flames. This face shield 3 therefore has at least one layer of coating configured to withstand infrared rays 29 and thus to protect the wearer of the helmet 1 such infrared rays.
Cet écran facial 3 présente une forme générale incurvée sensiblement similaire à la forme générale de la zone avant 8 de la coque externe 2, entre les premier côté 12 et deuxième côté 13 de cette coque externe 2.  This facial screen 3 has a generally curved shape substantially similar to the general shape of the front zone 8 of the outer shell 2, between the first side 12 and second side 13 of this outer shell 2.
Cet écran facial 3 présente donc une zone centrale délimitée par un bord externe 14, un bord interne 15 opposé au bord externe 14 et par deux extrémités latérales, respectivement une première extrémité latérale 27 et une deuxième extrémité latérale 28 opposée à la première extrémité latérale 27.  This face shield 3 thus has a central zone defined by an outer edge 14, an inner edge 15 opposite to the outer edge 14 and two lateral ends, respectively a first lateral end 27 and a second lateral end 28 opposite to the first lateral end 27. .
Cet écran facial présente en outre une face externe 16 ainsi qu'une face interne 18 opposée à la face externe 16.  This face shield also has an outer face 16 and an inner face 18 opposite to the outer face 16.
La face interne 18 de cet écran facial 3 est la face configurée pour être directement en regard de la face du porteur du casque 1 , autrement dit de son visage, comme expliqué ci-après.  The inner face 18 of this face shield 3 is the face configured to be directly opposite the face of the wearer of the helmet 1, that is to say his face, as explained below.
On observera que l'écran facial 3 est en outre pourvu, au niveau de de ses première et deuxième extrémités latérales 27 et 28, d'une encoche 17 de montage de l'écran facial 3 sur la coque externe 2 et de guidage de cet écran 3 par rapport à cette dernière.  It will be observed that the face shield 3 is further provided, at its first and second lateral ends 27 and 28, with a notch 17 for mounting the face shield 3 on the outer shell 2 and for guiding this screen 3 compared to the latter.
Cet écran facial 3 est monté dans l'espace interne 10 au casque 1 , et en particulier au moins partiellement dans l'espace inter-coques 11 défini entre les coques externe 2 et interne 9.  This face shield 3 is mounted in the internal space 10 to the helmet 1, and in particular at least partially in the inter-hull space 11 defined between the outer and inner shells 2 and 9.
Cet écran facial 3 est assujetti à la coque externe 2 au niveau des première et deuxième extrémités latérales 27 et 28 de cet écran facial 3, par l'intermédiaire des boulons 6 disposés quant à eux respectivement sur les premier et deuxième côtés 12 et 13 de cette coque externe 2, comme indiqué ci-dessus. This face shield 3 is secured to the outer shell 2 at the first and second lateral ends 27 and 28 of this face shield 3, by means of the bolts 6 arranged respectively on the first and second sides 12 and 13 of this outer shell 2, as indicated above.
L'écran facial 3 est par conséquent assujetti à la coque externe 2 de manière à être inamovible, autrement dit intégrée au casque 1 , mais il est monté mobile par rapport à cette coque externe 2.  The face shield 3 is therefore secured to the outer shell 2 so as to be irremovable, that is to say integral to the helmet 1, but it is mounted movable relative to the outer shell 2.
Cet écran facial 3 est donc articulé par rapport à la coque externe 2, au niveau de ses première et deuxième extrémités latérales 27 et 28 et admet deux positions, à savoir une position escamotée correspondant à l'état dit de repos du casque 1 , illustré sur la figure 2, et une position de travail correspondant à l'état dit de travail de ce casque 1 , illustré sur la figure 1 ; comme indiqué ci-après plus en détail.  This face shield 3 is articulated with respect to the outer shell 2, at its first and second lateral ends 27 and 28 and has two positions, namely a retracted position corresponding to the rest state of the helmet 1, illustrated in FIG. 2, and a working position corresponding to the so-called working state of this helmet 1, illustrated in FIG. 1; as shown below in more detail.
On observera que, à la fois dans la position escamotée et dans la position de travail de l'écran facial 3, son bord libre interne 15 est au voisinage de la coque externe 2, à l'intérieur de l'espace inter-coques 11 ; tandis que son bord libre externe 14 est au voisinage de la coque externe 2 seulement dans la position escamotée de cet écran facial 3 (dans l'espace interne 10 au casque 1), et est à distance de cette coque externe 2 dans la position de travail de l'écran facial 3.  It will be observed that, both in the retracted position and in the working position of the face shield 3, its internal free edge 15 is in the vicinity of the outer shell 2, inside the inter-shell space 11 ; while its outer free edge 14 is in the vicinity of the outer shell 2 only in the retracted position of this face shield 3 (in the inner space 10 to the helmet 1), and is remote from this outer shell 2 in the position of facial screen work 3.
La bavette souple 4 est quant à elle réalisée en une matière textile, ici un coton traité et configuré pour résister au feu. Cette bavette souple 4 est prévue pour protéger la partie du porteur se trouvant essentiellement entre son menton et le haut du buste. Cette bavette souple 4 présente donc une forme et des dimensions particulières permettant de protéger cette partie du corps du porteur les agressions thermiques causées par les arcs électriques, et par conséquent, cette bavette souple 4 permet en outre de protéger cette partie du corps du porteur contre les flammes et les projections de métal en fusion.  The flexible flap 4 is in turn made of a textile material, here a treated cotton and configured to withstand fire. This flexible flap 4 is provided to protect the part of the wearer being essentially between his chin and the top of the bust. This flexible flap 4 thus has a particular shape and dimensions to protect this part of the body of the wearer the thermal aggressions caused by the electric arcs, and therefore, this flexible flap 4 also allows to protect this part of the body of the wearer against flames and splashes of molten metal.
La bavette souple 4 est assujettie par une portion d'assujettissement 23 à l'écran facial 3 en étant fixée grâce à des rivets 24 le long d'une majeure partie du bord libre externe 14 de cet écran facial 3.  The flexible flap 4 is secured by a securing portion 23 to the face shield 3 by being secured by rivets 24 along a major part of the outer free edge 14 of this face shield 3.
Cette bavette souple 4 est ainsi inamovible, autrement dit intégrée au casque 1 par l'intermédiaire de l'écran facial 3, mais est mobile par rapport à cet écran facial 3. En effet, cette bavette souple 4 présente un premier bord 19 et un second bord 20 opposé au premier bord 19, lequel second bord 20 est aussi appelé bord libre ; de sorte que c'est par son premier bord 19 et en particulier par la portion d'assujettissement 23 ménagée au voisinage de ce premier bord 19 que la bavette souple 4 est rivetée sur l'écran facial 3 au niveau du bord externe 14 de ce dernier. This flexible flap 4 is thus irremovable, in other words integrated into the helmet 1 through the face shield 3, but is movable relative to this face shield 3. Indeed, this flexible flap 4 has a first edge 19 and a second edge 20 opposite the first edge 19, which second edge 20 is also called free edge; so that it is by its first edge 19 and in particular by the securing portion 23 formed in the vicinity of the first edge 19 that the flexible flap 4 is riveted to the face shield 3 at the outer edge 14 of this latest.
Ici, une pluralité de rivets 24 permet cet assujettissement de la bavette souple à l'écran facial 3.  Here, a plurality of rivets 24 allows this securing of the flexible flap to the facial screen 3.
On observera que la bavette souple présente en outre une face interne 21 ainsi qu'une face externe 22 opposée à cette face interne 21 ; laquelle face interne 21 est configurée pour se trouver directement en regard, voire au contact, de la partie du corps du porteur située entre son menton et le haut du buste.  It will be observed that the flexible flap further has an inner face 21 and an outer face 22 opposite to this inner face 21; which inner face 21 is configured to be directly facing or even in contact with the part of the wearer's body located between his chin and the top of the bust.
La bavette souple 4 présente une forme générale complémentaire de celle de l'écran facial 3, cette forme étant due principalement à sa fixation sur cet écran facial 3 et à la forme générale incurvée qu'elle présente au voisinage de son second bord 20.  The flexible flap 4 has a general shape complementary to that of the face shield 3, this shape being mainly due to its attachment to this face screen 3 and to the generally curved shape that it has in the vicinity of its second edge 20.
La configuration de la bavette souple 4 par rapport à l'écran facial 3 et la matière de cette bavette souple 4 permettent à cette dernière d'admettre différentes configurations, à savoir une première configuration dite rétractée correspondant à l'état dit de repos du casque 1 , illustré sur la figure 2 ; ainsi qu'une deuxième configuration dite de travail correspondant à l'état dit de travail du casque 1 , illustré sur la figure 1 ; comme expliqué ci-après plus en détail.  The configuration of the flexible flap 4 with respect to the face shield 3 and the material of this flexible flap 4 allow the latter to admit different configurations, namely a first so-called retracted configuration corresponding to the rest state of the helmet 1, illustrated in Figure 2; and a second so-called work configuration corresponding to the so-called working state of the helmet 1, illustrated in FIG. 1; as explained below in more detail.
On observera que par son assujettissement à l'écran facial 3, la bavette souple 4 est ainsi disposée de manière inamovible par rapport à ce dernier et plus généralement par rapport à la coque externe 2 ; laquelle bavette souple 4 est alors décrite comme étant intégrée au casque de protection 1 , tout comme l'écran facial 3.  It will be observed that by its subjection to the facial screen 3, the flexible flap 4 is thus arranged irremovably with respect to the latter and more generally with respect to the outer shell 2; which flexible flap 4 is then described as being integrated in the protective helmet 1, just like the face shield 3.
On va maintenant décrire plus en détail l'agencement de la coque externe 2, de l'écran facial 3 et de la bavette souple 4, les uns par rapport aux autres et par rapport à un porteur 30, dans les états de repos et de travail du casque 1 , ainsi que dans l'état intermédiaire correspondant au passage de l'un à l'autre de ces états, en référence aux figures 3 à 5. We will now describe in more detail the arrangement of the outer shell 2, the face shield 3 and the flexible flap 4, relative to each other and with respect to a carrier 30, in the states of rest and work of the headset 1, and in the intermediate state corresponding to the transition from one to the other of these states, with reference to FIGS. 3 to 5.
Le porteur 30, autrement dit l'électricien, est pourvu d'une tête 31 , d'un cou 32, et d'un buste 33.  The carrier 30, in other words the electrician, is provided with a head 31, a neck 32, and a bust 33.
On définira l'avant 34 de la tête 31 du porteur 30 comme étant représentatif de la face, autrement dit du visage, lequel avant 34 de la tête 31 est opposé à l'arrière 36 de cette tête 31 , laquelle tête 31 présente en outre un dessus (non représenté). On définira également l'arrière 37 du cou 32 et l'avant 38 opposé à l'arrière 37. En outre, seul le haut 39 du buste 33 est ici représenté.  The front 34 of the head 31 of the carrier 30 will be defined as being representative of the face, in other words of the face, which front 34 of the head 31 is opposed to the rear 36 of this head 31, which head 31 also has a top (not shown). We will also define the rear 37 of the neck 32 and the front 38 opposite the rear 37. In addition, only the top 39 of the bust 33 is shown here.
La figure 3 illustre le casque de protection 1 dans son état dit de repos. Dans cet état, l'écran facial 3 est dans sa position escamotée et la bavette souple 4 est dans sa configuration rétractée.  Figure 3 illustrates the protective helmet 1 in its so-called rest state. In this state, the face shield 3 is in its retracted position and the flexible flap 4 is in its retracted configuration.
Ici, la coque externe 2 protège essentiellement mécaniquement et électriquement le dessus et l'arrière 36 de la tête 31 du porteur. Autrement dit, la face 34, l'avant 38 du cou 32 ainsi que le haut 39 du buste 33 n'est pas protégé dans cet état de repos du casque 1 , où normalement l'électricien n'intervient pas sur un appareillage électrique sous tension.  Here, the outer shell 2 protects essentially mechanically and electrically the top and the rear 36 of the head 31 of the carrier. In other words, the face 34, the front 38 of the neck 32 and the top 39 of the bust 33 is not protected in this state of rest of the helmet 1, where normally the electrician does not intervene on an electrical equipment under voltage.
Dans la position escamotée de l'écran facial 3, ce dernier est introduit presque complètement dans l'espace inter-coques 11 , avec son bord libre interne 15 qui se trouve dans cet espace inter-coques 11 et son bord libre externe 14 qui se trouve au voisinage de cet espace inter-coques 11.  In the retracted position of the face shield 3, the latter is introduced almost completely into the inter-shell space 11, with its internal free edge 15 which is in this inter-shell space 11 and its outer free edge 14 which found in the vicinity of this intershell space 11.
Dans la configuration rétractée de la bavette souple 4, cette dernière est repliée autour de sa portion s'assujettissement 23, de sorte que sa face externe 22 recouvre au moins partiellement la face externe 16 de l'écran facial 3.  In the retracted configuration of the flexible flap 4, the latter is folded around its securing portion 23, so that its outer face 22 at least partially covers the outer face 16 of the face shield 3.
La forme de la bavette souple 4, qui est ici incurvée au voisinage de son second bord 20, et le tissu anti-feu dans lequel est réalisée cette bavette souple 4 permettent à cette dernière d'épouser la forme incurvée de la face externe 16 de l'écran facial 3. Dans cette configuration rétractée, c'est donc la face interne 21 de la bavette souple 4 qui se trouve au regard d'une face interne (non représentée) à la coque externe 2. The shape of the flexible flap 4, which is here curved in the vicinity of its second edge 20, and the fire-resistant fabric in which this flexible flap 4 is made allow the latter to follow the curved shape of the outer face 16 of the face shield 3. In this retracted configuration, it is therefore the inner face 21 of the flexible flap 4 which is facing an inner face (not shown) to the outer shell 2.
On observera également que puisque la bavette souple 4 est retournée sur l'écran facial 3, cette dernière est par conséquent au moins partiellement introduite dans l'espace inter-coques 11.  It will also be observed that since the flexible flap 4 is returned to the face shield 3, the latter is therefore at least partially introduced into the inter-hull space 11.
La figure 4 illustre un état intermédiaire du casque de protection 1 montrant le passage de son état de repos (figure 3) à son état de travail (figure 5).  Figure 4 illustrates an intermediate state of the protective helmet 1 showing the transition from its state of rest (Figure 3) to its working state (Figure 5).
Dans cet état intermédiaire du casque de protection 1 , l'écran facial 3 se trouve en position de travail tandis que la bavette souple 4 se trouve toujours en configuration rétractée.  In this intermediate state of the protective helmet 1, the face shield 3 is in the working position while the flexible flap 4 is always in retracted configuration.
Pour passer de la position escamotée à la position de travail, l'écran facial 3 est articulé par rapport à la coque externe 2, de sorte à sortir presque intégralement, mais pas complètement, cet écran facial 3 de l'espace intercoques 11.  To move from the retracted position to the working position, the face shield 3 is articulated with respect to the outer shell 2, so as to exit almost completely, but not completely, this face screen 3 from the interspace 11.
Dans cette position de travail, le bord libre interne 15 de l'écran facial 3 est toujours au voisinage de l'espace inter-coques 11 , voire toujours à l'intérieur de ce dernier, tandis que le bord libre externe 14 de cet écran facial 3 est quant à lui à distance de l'espace inter-coques 11 et même de l'espace interne 10 au casque 1.  In this working position, the internal free edge 15 of the face shield 3 is always in the vicinity of the inter-shell space 11, or even always inside the latter, while the outer free edge 14 of this screen facial 3 is meanwhile remote from the inter-shell space 11 and even from the internal space 10 to the helmet 1.
Dans cette position de travail, l'écran facial 3 se trouve directement en regard de la face 34 du porteur 30, laquelle face 34 s'étend sensiblement du haut du front au menton.  In this working position, the face shield 3 is directly facing the face 34 of the carrier 30, which face 34 extends substantially from the top of the forehead to the chin.
Bien entendu, dans cet état intermédiaire du casque de protection 1 , aucune action n'est possible de la part du porteur 30 de ce casque 1 , puisque sa vision est obstruée par la bavette souple 4 qui recouvre toujours la face externe 16 de cet écran facial 3.  Of course, in this intermediate state of the protective helmet 1, no action is possible from the wearer 30 of the helmet 1, since his vision is obstructed by the flexible flap 4 which always covers the outer face 16 of this screen facial 3.
La figure 5 illustre le casque de protection 1 dans son état de travail, tout comme sur la figure 1.  Figure 5 illustrates the protective helmet 1 in its working state, as in Figure 1.
Dans cet état de travail, la coque externe 2 ainsi que l'écran facial 3 sont positionnés de la même manière que dans l'état intermédiaire, mais ici, la bavette souple 4 est désormais en configuration de travail plutôt que d'être en configuration escamotée. In this working state, the outer shell 2 and the face shield 3 are positioned in the same way as in the intermediate state, but here the flexible bib 4 is now in working configuration rather than being in a retracted configuration.
Cela signifie que la bavette souple 4 est déployée, autrement dit qu'elle est dépliée autour de sa portion d'assujettissement 23, et qu'elle prolonge ainsi l'écran facial 3.  This means that the flexible flap 4 is deployed, that is to say that it is unfolded around its securing portion 23, and thus extends the face shield 3.
On observera que la bavette souple 4 découvre alors la face externe 16 de l'écran facial 3 et c'est désormais la face externe 22 de cette bavette souple 4 qui est dirigée vers l'extérieur (autrement dit qui est visible par un observateur regardant le porteur ayant le casque de protection dans son état de travail).  It will be observed that the flexible flap 4 then discovers the outer face 16 of the face shield 3 and it is now the outer face 22 of this flexible flap 4 which is directed outwardly (that is, which is visible by an observer looking the wearer having the protective helmet in his working state).
On observera que la bavette souple 4 présente une forme générale sensiblement similaire à celle de l'écran facial 3, si ce n'est que cette bavette 4 n'est pas rigide mais souple et donc qu'elle peut avoir une forme seulement approximativement incurvée, autant dans la direction définie entre son premier bord 9 et son second bord 20, que dans la direction définie entre les premiers et deuxièmes côtés 12 et 13 de la coque externe 2 et passant par cette bavette souple 4.  It will be observed that the flexible flap 4 has a general shape substantially similar to that of the face shield 3, except that this flap 4 is not rigid but flexible and therefore it can have a shape only approximately curved , both in the direction defined between its first edge 9 and its second edge 20, as in the direction defined between the first and second sides 12 and 13 of the outer shell 2 and passing through this flexible flap 4.
Dans cette configuration de travail de la bavette souple 4, cette dernière est donc disposée en regard de la partie du corps du porteur 30 se trouvant entre le menton, autrement dit le bas de sa face 34, et le haut 39 du buste 33, incluant l'avant 38 et au moins partiellement les côtés du cou 32.  In this working configuration of the flexible flap 4, the latter is arranged next to the body portion of the carrier 30 located between the chin, in other words the bottom of its face 34, and the top 39 of the bust 33, including the front 38 and at least partially the sides of the neck 32.
Cette bavette souple 4 est particulièrement facile à manipuler par le porteur 30 du casque de protection 1.  This flexible flap 4 is particularly easy to handle by the wearer 30 of the protective helmet 1.
Cette bavette souple 4 permet donc de protéger le porteur des agressions thermiques dues aux arc électriques, aux flammes et aux projections de métal en fusion, au-delà de l'écran facial 3 sans toutefois gêner les mouvements du porteur, du fait de la souplesse de cette bavette 4.  This flexible flap 4 thus protects the wearer from thermal attack due to electric arcs, flames and molten metal splashes, beyond the face shield 3 without however hindering the movements of the wearer, due to the flexibility of this bib 4.
Le casque de protection 1 décrit ci-dessus offre donc une protection particulièrement complète des zones de la tête et du haut du buste du porteur pouvant subir des contraintes et/ou agressions mécaniques, électriques et/ou thermiques lors de ses interventions sur des appareillages électriques, tout en étant particulièrement simple et commode à utiliser, autrement dit à faire passer de l'une à l'autre des configurations de cette bavette souple 4, et de l'une à l'autre des positions de cet écran facial 3 ; et tout en étant particulièrement sûr puisqu'il s'agit ici d'un casque de protection 1 dont les éléments de protection, à savoir la coque externe 2, la coque interne 9, l'écran facial 3 et la bavette souple 4 sont intégrés au casque de protection 1. The protective helmet 1 described above thus offers a particularly complete protection of the areas of the head and the top of the bust of the wearer may be subjected to stress and / or mechanical, electrical and / or thermal attacks during his interventions on electrical equipment , while being particularly simple and convenient to use, in other words to pass from one to the other of the configurations of this flexible flap 4, and from one to the other of the positions of this face shield 3; and while being particularly safe since it is here a protective helmet 1 whose protective elements, namely the outer shell 2, the inner shell 9, the face shield 3 and the flexible flap 4 are integrated to the protective helmet 1.
On observera que pour amener le casque de protection 1 à son état de repos, partant de son état de travail, la bavette souple 4 est tout d'abord pliée autour de sa portion d'assujettissement 23 pour recouvrir au moins partiellement la face externe de l'écran facial 3 et qu'ensuite, l'écran facial 3 est articulé de sorte à être presque complètement réintroduit, ensemble avec cette bavette souple 4, dans l'espace inter-coques 1 .  It will be observed that to bring the protective helmet 1 to its state of rest, starting from its working state, the flexible flap 4 is first folded around its securing portion 23 to cover at least partially the outer face of the facial screen 3 and then the facial screen 3 is hinged so as to be almost completely reintroduced, together with this flexible flap 4, in the inter-hull space 1.
Il s'agit donc des étapes inverses à celle décrites ci-dessus en référence aux figures 3 à 5.  It is therefore the reverse stages to that described above with reference to FIGS. 3 to 5.
Dans des variantes non illustrées :  In non-illustrated variants:
- le casque de protection est dépourvu de coque interne et ne présente pas d'espace inter-coques et l'ensemble formé par l'écran facial et la bavette souple, respectivement en position escamotée et en configuration rétractée, est directement introduit dans l'espace interne au casque ;  the protective helmet does not have an inner shell and does not have an inter-shell space and the assembly formed by the face shield and the flexible flap, respectively in the retracted position and in the retracted configuration, is directly inserted into the internal space to the helmet;
- le casque de protection est dépourvu de coques externe et interne, mais comporte plutôt une première coque similaire à la coque externe visible sur les figures ainsi qu'une deuxième coque assujettie à la première coque et s'étendant au droit de cette dernière ; la première coque forme ainsi une demi-coque externe et une demi-coque interne, tandis que la deuxième coque forme une autre demi-coque externe ;  - The protective helmet has no outer shell and inner, but rather has a first shell similar to the outer shell visible in the figures and a second shell secured to the first shell and extending to the right of the latter; the first shell thus forms an outer half-shell and an inner half-shell, while the second shell forms another outer half-shell;
- l'écran facial est dépourvu de couche de revêtement antiinfrarouge et l'écran facial ne présente aucune teinte ou présente d'autres types de teintes ;  - The face shield has no anti-infrared coating layer and the face shield has no tint or other types of colors;
- la bavette souple est réalisée en fibres non naturelles et traitées plutôt qu'en fibres naturelles, comme le coton ;  - The flexible flap is made of unnatural fibers and processed rather than natural fibers, such as cotton;
- l'assujettissement de la bavette souple sur l'écran facial n'est pas réalisé à l'aide de rivets, il s'agit plutôt d'une adhésion par exemple autocollante ou une adhésion avec crochets, par exemple du type Velcro®, voire encore d'un système configuré comme une fermeture à glissière, ou plus généralement avec d'autres moyens mécaniques que des rivets, par exemple des vis ; - The securing of the flexible flap on the face shield is not made using rivets, it is rather a adhesion for example self-adhesive or an adhesion with hooks, for example Velcro® type, even a system configured as a zipper, or more generally with other mechanical means than rivets, for example screws;
- les organes d'assujettissement de l'écran facial à la coque externe sont différents de boulons, il s'agit plutôt de tiges avec des circlips, voire de vis seules, voire encore de systèmes du type baïonnette à quart de tour ; et/ou  - The securing organs of the face shield to the outer shell are different bolts, it is rather rods with circlips or screw alone, even quarter-turn bayonet type systems; and or
- le casque de protection est dépourvu de sangle de maintien ou présente une sangle de maintien d'un type différent des boucles ayant une forme en D et, par exemple, il s'agit d'un système mécanique à crochet de verrouillage tel que ceux utilisés par exemple pour boucler des ceintures de sécurité dans les véhicules.  the protective helmet is devoid of a holding strap or has a strap of a type different from the loops having a D-shape and, for example, it is a mechanical system with a locking hook such as those used for example to buckle seat belts in vehicles.
On rappelle plus généralement que l'invention ne se limite pas aux exemples décrits et représentés.  It is recalled more generally that the invention is not limited to the examples described and shown.

Claims

REVENDICATIONS
1. Casque de protection prévu pour être porté par un électricien, comportant une coque externe (2), un écran facial (3) intégré audit casque (1), lequel écran facial (3) est assujetti à ladite coque externe (2) de manière à être inamovible et est mobile par rapport ladite coque externe (2), lequel écran facial (3) admet en outre une position escamotée dans laquelle ledit écran facial (3) est introduit au moins partiellement à l'intérieur d'un espace interne (10, 11) audit casque (1), lequel espace interne (10, 11) est délimité par ladite coque externe (2), et une position de travail dans laquelle ledit écran facial (3) saille dudit espace interne (10, 11) ; caractérisé en ce qu'il comporte en outre une bavette souple (4) intégrée audit casque (1), laquelle bavette souple (4) est assujettie audit écran facial (3) de manière à être inamovible et est mobile par rapport audit écran facial (3), laquelle bavette souple (4) admet en outre une configuration rétractée dans laquelle ladite bavette souple (4) recouvre au moins partiellement une face (16) dudit écran facial (3) ainsi qu'une configuration de travail dans laquelle ladite bavette souple (4) est déployée et prolonge ledit écran facial (3). 1. Protective helmet intended to be worn by an electrician, comprising an outer shell (2), a face shield (3) integral with said helmet (1), which face shield (3) is secured to said outer shell (2) of to be irremovable and is movable relative to said outer shell (2), which face shield (3) further has a retracted position in which said face shield (3) is introduced at least partially within an internal space (10, 11) to said helmet (1), which inner space (10, 11) is delimited by said outer shell (2), and a working position in which said face shield (3) projects from said inner space (10, 11). ); characterized in that it further comprises a flexible flap (4) integrated in said helmet (1), which flexible flap (4) is secured to said face shield (3) so as to be irremovable and is movable relative to said face shield ( 3), which flexible flap (4) also has a retracted configuration in which said flexible flap (4) at least partially covers a face (16) of said face shield (3) and a working configuration in which said flexible flap (4) is extended and extends said face shield (3).
2. Casque selon la revendication 1 , caractérisé en ce que ladite bavette souple (4) est réalisée en une matière textile configurée pour résister au feu.  2. Helmet according to claim 1, characterized in that said flexible flap (4) is made of a textile material configured to withstand fire.
3. Casque selon l'une des revendications 1 et 2, caractérisé en ce que ladite bavette souple (4) est configurée pour épouser ladite face (16) dudit écran facial (3) que ladite bavette souple (4) recouvre dans sa configuration rétractée.  3. Helmet according to one of claims 1 and 2, characterized in that said flexible flap (4) is configured to fit said face (16) of said face shield (3) said flexible flap (4) covers in its retracted configuration .
4. Casque selon l'une quelconque des revendications 1 à 3, caractérisé en ce que ledit écran facial (3) présente un bord libre interne ( 5) et un bord libre externe (14) opposé audit bord libre interne (15), lequel bord libre interne (15) est au voisinage de ladite coque externe (2) à la fois dans les positions escamotée et de travail dudit écran facial (3), tandis que ledit bord libre externe (14) est au voisinage de ladite coque externe (2) dans ladite position escamotée dudit écran facial (3) et est à distance de ladite coque externe (2) dans ladite position de travail dudit écran facial (3) ; et ladite bavette souple (4) est fixée sur ledit bord libre externe (14) dudit écran facial (3). 4. Helmet according to any one of claims 1 to 3, characterized in that said face shield (3) has an inner free edge (5) and an outer free edge (14) opposite to said inner free edge (15), which internal free edge (15) is in the vicinity of said outer shell (2) both in the retracted and working positions of said face shield (3), while said outer free edge (14) is in the vicinity of said outer shell ( 2) in said retracted position of said face shield (3) and is remote from said hull external (2) in said working position of said face shield (3); and said flexible flap (4) is attached to said outer free edge (14) of said face shield (3).
5. Casque selon la revendication 4, caractérisé en ce que ladite bavette souple (4) est fixée le long d'une majeure partie dudit bord libre externe (14) dudit écran facial (3) par des rivets (24).  5. Helmet according to claim 4, characterized in that said flexible flap (4) is fixed along a major part of said outer free edge (14) of said face shield (3) by rivets (24).
6. Casque selon l'une quelconque des revendications 1 à 5, caractérisé en ce que ledit écran facial (3) présente au moins une couche de revêtement configuré pour résister aux rayons infrarouges (29).  6. Helmet according to any one of claims 1 to 5, characterized in that said face shield (3) has at least one coating layer configured to withstand infrared rays (29).
7. Casque selon l'une quelconque des revendications 1 à 6, caractérisé en ce que ledit écran facial (3) présente en outre une première extrémité latérale (27) et une deuxième extrémité latérale (28) opposée à ladite première extrémité latérale (27), et est articulé par rapport à ladite coque externe (2) au niveau de chacune desdites première et deuxième extrémités latérales (27, 28).  7. Helmet according to any one of claims 1 to 6, characterized in that said face shield (3) further has a first lateral end (27) and a second lateral end (28) opposite said first lateral end (27). ), and is articulated with respect to said outer shell (2) at each of said first and second lateral ends (27, 28).
8. Casque selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'il comporte en outre une coque interne (9) disposée dans ledit espace interne (10) et fixée à ladite coque externe (2), lesquelles coques externe (2) et interne (9) définissent entre elles un espace inter-coques (1 ) dans lequel est au moins partiellement introduit ledit écran facial (3) et ladite bavette souple (4) lorsque ces derniers sont respectivement en position escamotée et en configuration rétractée.  8. Helmet according to any one of claims 1 to 7, characterized in that it further comprises an inner shell (9) disposed in said inner space (10) and fixed to said outer shell (2), which outer shells (2) and inner (9) define between them an inter-shell space (1) in which is at least partially introduced said face shield (3) and said flexible flap (4) when the latter are respectively in the retracted position and in configuration retracted.
9. Casque selon la revendication 8, caractérisé en ce que ladite coque externe (2) et ladite coque interne (9) sont chacune réalisée en matière plastique moulée d'une seule pièce et ladite coque interne (9) est assujettie mécaniquement à ladite coque externe (2).  9. Helmet according to claim 8, characterized in that said outer shell (2) and said inner shell (9) are each made of plastic material molded in one piece and said inner shell (9) is mechanically secured to said shell external (2).
10. Casque selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'il comporte en outre une sangle de maintien (5) en deux parties (25, 26), chacune des deux dites parties (25, 26) étant assujettie à ladite coque externe (2).  10. Helmet according to any one of claims 1 to 9, characterized in that it further comprises a holding strap (5) in two parts (25, 26), each of said two parts (25, 26) being secured to said outer shell (2).
EP12726154.3A 2012-04-30 2012-04-30 Protective helmet for mechanical, electrical and thermal stress protection, for electricians Active EP2844098B1 (en)

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PCT/FR2012/050967 WO2013164520A1 (en) 2012-04-30 2012-04-30 Protective helmet for mechanical, electrical and thermal stress protection, for electricians

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CN (1) CN104254259B (en)
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US9277780B2 (en) 2016-03-08
US20150074879A1 (en) 2015-03-19
CN104254259A (en) 2014-12-31
AU2012378932A1 (en) 2014-11-20
PL2844098T3 (en) 2016-12-30
WO2013164520A1 (en) 2013-11-07
EP2844098B1 (en) 2016-06-22
AU2012378932B2 (en) 2016-10-20
CN104254259B (en) 2017-08-08
BR112014025356B1 (en) 2020-12-22
CA2870148A1 (en) 2013-11-07
CA2870148C (en) 2018-07-31

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