EP1422490A1 - Anti-effraction panel - Google Patents

Anti-effraction panel Download PDF

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Publication number
EP1422490A1
EP1422490A1 EP02025870A EP02025870A EP1422490A1 EP 1422490 A1 EP1422490 A1 EP 1422490A1 EP 02025870 A EP02025870 A EP 02025870A EP 02025870 A EP02025870 A EP 02025870A EP 1422490 A1 EP1422490 A1 EP 1422490A1
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EP
European Patent Office
Prior art keywords
panel
face
slats
shielding
grid
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Granted
Application number
EP02025870A
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German (de)
French (fr)
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EP1422490B1 (en
Inventor
Hans-Dieter Heinen
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Individual
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Individual
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Priority to ES02025870T priority Critical patent/ES2341536T3/en
Priority to DE60235817T priority patent/DE60235817D1/en
Priority to EP02025870A priority patent/EP1422490B1/en
Priority to AT02025870T priority patent/ATE462951T1/en
Publication of EP1422490A1 publication Critical patent/EP1422490A1/en
Application granted granted Critical
Publication of EP1422490B1 publication Critical patent/EP1422490B1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction
    • F41H5/023—Armour plate, or auxiliary armour plate mounted at a distance of the main armour plate, having cavities at its outer impact surface, or holes, for deflecting the projectile
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/013—Mounting or securing armour plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction

Definitions

  • the present invention relates to an anti-burglary panel for reinforcing especially burglarproof doors or partitions.
  • the hollow charges were primarily developed for projectiles having to pierce the armor of military tanks.
  • a hollow charge includes a metal shell filled with an explosive in which is arranged a contoured cavity. This profiled cavity facing the surface of the armor duct at a concentration of the energy of the explosion waves into a very focal area restricted on the target surface.
  • We thus obtain very destructive effects with small amounts of explosive For example, it is known that a hollow charge with 200 g of tolite is perfectly adapted to pierce a massive plate of steel with a thickness of 60 mm.
  • hollow charges that include water tubes or cans filled with water to increase the effects.
  • a protection system is also described. passive armor of tanks against projectiles equipped with hollow charges. It is proposed to fix on a shielding plate a series of platelets or lamellae perpendicular to the outer face of the shield and parallel to each other. The height of these platelets is greater than is greater than the distance that separates the anterior end of a hollow charge projectile from its part of larger diameter. The interval between platelets is less than this larger diameter.
  • the purpose of these plates is to cause deterioration of the head of the projectile to load digs by meeting this head with at least one of these plates. It is supposed that this deterioration of the head causes the hollow charge has no effect when fired.
  • the aesthetic point of view is perfectly negligible for the military field, this is certainly not the case for the civilian examples for burglar-resistant doors and partitions in buildings for the shielding of CIT vehicles.
  • the armor elements In the civilian field, the armor elements must absolutely have a continuous outer surface, that is to say a flat or curved surface comprising no projecting elements or cavities.
  • the object of the present invention is therefore to propose a sign burglar resistant which has a continuous outer surface and is suitable for better withstand burglary attempts with a fixed hollow charge on this continuous surface. According to the invention, this objective is achieved by a panel according to claim 1.
  • a panel according to the present invention comprises a shielding panel with high mechanical strength, a grid attached to a first face of this shielding panel, this grid being composed of slats perpendicular to this first face, and a panel of low resistance. This last covers the mesh and forms the continuous outer surface exposed to a attempted break-in.
  • Continuous surface means a flat surface or curve that does not include salient elements or cavities. Thanks to a small thickness and / or a low mechanical strength of the material which constitutes, the trim panel has little resistance to the explosion a hollow charge attached to its outer surface. It follows that the sign dressing yields without distorting the underlying mesh, all the more so as the grillage also has good transverse rigidity.
  • roasting then implies that the explosion waves must pass through a layer of air before meeting the first rigid panel that forms obstacle the development of the explosions waves, in this case the shielding.
  • the "air cushion" between the focus of the explosion and the exposed surface of the shielding board dampens and dissipates the explosion waves, which reduces the power of focused piercing of the hollow charge.
  • the slats perpendicular to the first face of the shielding board disturb the establishment a highly focused gas jet, which further reduces the efficiency of the hollow charge.
  • roasting improves the deformation resistance of the armor board, without substantially increase the weight.
  • the dressing panel hides the existence and grid geometry to an attacker.
  • This protection system is still significantly improved, if there is an empty space between the fence and the first face of the panel shielding.
  • This empty space is intended to be used for the evacuation of gases of explosion between the mesh and the first face of the shielding panel. he allows an expansion of the gases, which leads to a reduction of the pressure of explosion exerted on the armor panel. It is also thought that the flows of explosion gas form in this empty space a "cushion of gas" which dampens the successive shock waves produced by the explosion of the hollow charge.
  • the grating is composed of first slats extending in a first direction and second slats that extend in a second direction.
  • the first slats are in direct contact with the first face of the shielding panel.
  • the second slats are spaced apart from the first face of the armor board, way to define channels between the lower edges of the second slats and the first face of the shielding panel. These channels then constitute a space vacuum for the evacuation of explosive gases between the mesh and the first face of the shielding panel.
  • all the slats of the mesh are spaced apart from the first face of the shielding panel, so as to form an empty space in one piece used for the lateral evacuation of explosive gas between the face inside of the mesh and the first face of the shielding panel.
  • the distance between the first face of the shielding panel and the outer face of the grid is preferably greater than 10 mm and advantageously the order of 20 to 50 mm.
  • the slats advantageously have a thickness of the order from 1 to 3 mm and a height of the order of 10 to 40 mm. They can be tapered so as to have the smallest thickness on the side of the outer face of the grid. Such thin slats act like a knife on the jet explosion. It disrupts the establishment of a highly focused gas jet without substantial deformation towards the armor panel.
  • the mesh is advantageously formed of slats which intersect to form cells of a smaller section than the opening section of the hollow charge. Cells of a section of the order of 2 to 26 cm 2 are generally recommended. Two battens that intersect are also advantageously connected to each other at their crossing point, which increases their strength and makes it more difficult to create an opening in the mesh to apply a hollow charge directly to the first face of the armor panel .
  • the screen is mounted in a frame which is fixed on the first face of the shielding panel.
  • This frame then advantageously comprises a wide peripheral clamp welded or glued on the first face of the shielding panel. It will be appreciated that a mounted grill of this This way, because of the time required to dismantle it, a difficult obstacle to overcome by an attacker.
  • a panel according to the present invention is example advantageously used as a protection panel of a door burglar-proof or hardboard to protect, such as a masonry wall or concrete.
  • the reference 10 designates a shielding panel metallic, for example an external shielding panel for an anti-burglar door or a wall made of masonry or concrete.
  • Arrow 12 indicates a face of the shield panel 10 which is exposed to attack by breaking in.
  • This face 12 of the shielding panel 10 is covered with a mesh 14, 14 '.
  • the outer surface of the mesh 14, 14 ' is coated with a covering panel 26, for example a sheet of small thickness (for example less than 0.8 mm) or a thin plate of wood or plastic, which forms a surface continuous exterior, identified by the arrow 15. Thanks to a small thickness and / or a weak mechanical resistance of the material which constitutes it, the panel dressing has little resistance to the explosion of a hollow charge fixed on its outer surface.
  • This grid 14 ' is mounted in a frame 28 which maintains the inner face 30 of the grid 14' at a distance from the first face 12 of the shielding panel 10.
  • the frame 28 is advantageously a peripheral frame which surrounds the edge of the grid 14'. It comprises a wide fastening flange 34, which may be discontinuous and which is fixed (advantageously bonded or welded) to the first face 12 of the shielding panel 10.
  • the reference 36 designates an intermediate support of the mesh 14 'which is fixed on the first face 12 of the shielding panel 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Refrigerator Housings (AREA)
  • Special Wing (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Building Environments (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Abstract

The break in resistant panel for a door has an armored panel (10) and a grill (14) on one face (12) of the panel, formed of slats (16,18) perpendicular to the face of the panel. A cover panel (26) of weaker material covers the grill and forms a continuous surface (15) exposed to a break in attempt. The distance between the panel face and the grill is at least ten millimeters. The slats can have a thickness of between one and three millimeters.

Description

Domaine technique auquel se rapporte l'invention Technical field to which the invention relates

La présente invention concerne un panneau anti-effraction pour renforcer notamment des portes ou cloisons anti-effraction.The present invention relates to an anti-burglary panel for reinforcing especially burglarproof doors or partitions.

Etat de la techniqueState of the art

On connaít aujourd'hui de nombreuses formes de réalisation de panneaux blindés pour renforcer notamment des portes ou cloisons anti-effraction. Les réalisations les plus récentes atteignent des temps de résistance très élevés lors tentatives d'enfoncement, de tentatives de perçage avec des outils coupants ou avec un chalumeau de découpage. Cependant, les forces de l'ordre craignent actuellement qu'il soit possible de percer tous les types de panneaux anti-effraction actuellement sur le marché assez facilement à l'aide de charges creuses.Many forms of panel construction are known today. shielded to reinforce inter alia burglar-proof doors or partitions. The most recent achievements reach very high resistance times during penetration attempts, drilling attempts with sharp tools or with a cutting torch. However, the police currently fear that it is possible to drill all types of panels burglar proofing currently on the market quite easily using loads hollow.

Les charges creuses ont avant tout été développées pour des projectiles devant percer le blindage de chars militaires. Une telle charge creuse comprend une douille métallique remplie d'un explosif dans lequel est aménagée une cavité profilée. Cette cavité profilée tournée vers la surface du blindage conduit à une concentration de l'énergie des ondes d'explosion en une zone focale très restreinte sur la surface cible. On obtient ainsi des effets très destructeurs avec de faibles quantités d'explosif. Il est par exemple connu qu'une charge creuse avec 200 g de tolite est parfaitement apte à percer une plaque massive d'acier d'une épaisseur de 60 mm. Il existe aussi des charges creuses qui comprennent des tubes à eau ou des bidons remplis d'eau pour en augmenter les effets.The hollow charges were primarily developed for projectiles having to pierce the armor of military tanks. Such a hollow charge includes a metal shell filled with an explosive in which is arranged a contoured cavity. This profiled cavity facing the surface of the armor duct at a concentration of the energy of the explosion waves into a very focal area restricted on the target surface. We thus obtain very destructive effects with small amounts of explosive. For example, it is known that a hollow charge with 200 g of tolite is perfectly adapted to pierce a massive plate of steel with a thickness of 60 mm. There are also hollow charges that include water tubes or cans filled with water to increase the effects.

Pour les chars militaires, on a développé des blindages aptes à résister à des projectiles à charge creuse. Il s'agit notamment de blindages réactifs contenant un explosif qui explose dans le jet de gaz produit par l'explosion de la charge creuse. Cette contre-explosion perturbe l'établissement de ce jet de gaz et entraíne une réduction appréciable du pouvoir de percement de la charge creuse. Cependant, les blindages réactifs utilisés sur les engins militaires sont chers et leur mise en oeuvre est difficile et dangereuse.For military tanks, armor-resistant armor has been developed. projectiles with hollow charge. These include reactive shielding containing an explosive that explodes into the jet of gas produced by the explosion of the hollow charge. This counter-explosion disrupts the establishment of this jet of gas and entails a significant reduction in the power of piercing the load dig. However, the reactive armor used on military gear is expensive and their implementation is difficult and dangerous.

Dans le document FR 1,103,549, on décrit aussi un système de protection passif du blindage de chars contre des projectiles équipés de charges creuses. On propose de fixer sur une plaque de blindage une série de plaquettes ou lamelles perpendiculairement à la face externe du blindage et parallèlement les unes aux autres. La hauteur de ces plaquettes est supérieure est supérieure à la distance qui sépare l'extrémité antérieure d'un projectile à charge creuse de sa partie de plus grand diamètre. L'intervalle entre les plaquettes est inférieur à ce plus grand diamètre. Selon le document FR 1,103,549, le but de ces plaquettes est de provoquer une détérioration de la tête du projectile à charge creuse par une rencontre de cette tête avec au moins une de ces plaquettes. On suppose que cette détérioration de la tête entraíne alors que la combustion de la charge creuse est sans effet lors de sa mise à feu.In the document FR 1,103,549, a protection system is also described. passive armor of tanks against projectiles equipped with hollow charges. It is proposed to fix on a shielding plate a series of platelets or lamellae perpendicular to the outer face of the shield and parallel to each other. The height of these platelets is greater than is greater than the distance that separates the anterior end of a hollow charge projectile from its part of larger diameter. The interval between platelets is less than this larger diameter. According to the document FR 1,103,549, the purpose of these plates is to cause deterioration of the head of the projectile to load digs by meeting this head with at least one of these plates. It is supposed that this deterioration of the head causes the hollow charge has no effect when fired.

Un blindage passif du type décrit dans le document FR 1,103,549 ne semble a priori pas adapté pour protéger un panneau anti-effraction contre une tentative de perçage à l'aide d'une charge creuse. En effet, le criminel ne va probablement pas utiliser un projectile équipé d'une charge creuse. Il va plutôt fixer la charge creuse sur la surface exposée du panneau anti-effraction et la faire exploser ensuite. Or, du document FR 1,103,549 il faut conclure que le système proposé est seulement efficace si les lamelles sont apte à déformer la tête de la charge creuse avant combustion de la charge creuse. Une telle déformation n'a cependant pas lieu si la charge creuse est directement fixée sur la surface exposée du panneau anti-effraction.Passive shielding of the type described in document FR 1,103,549 does not seems a priori not suitable to protect a burglar-proof panel against a attempt to drill using a hollow charge. Indeed, the criminal is not going probably not use a projectile equipped with a hollow charge. It is rather attach the hollow charge to the exposed surface of the burglar-proof panel and blow up then. From document FR 1,103,549 it must be concluded that the proposed system is only effective if the slats are able to deform the head of the hollow charge before combustion of the hollow charge. Such a deformation, however, does not occur if the hollow charge is directly attached to the exposed surface of the burglarproof panel.

De plus, si le point de vue esthétique est parfaitement négligeable pour le domaine militaire, tel n'est certainement pas le cas pour le domaine civil, par exemples pour les portes et cloisons anti-effraction dans des constructions civiles ou pour les panneaux de blindage de véhicules de transport de fonds. Dans le domaine civil, les éléments de blindage doivent absolument avoir une surface extérieure continue, c'est-à-dire une surface plane ou courbe ne comprenant pas d'éléments saillants ou de cavités.Moreover, if the aesthetic point of view is perfectly negligible for the military field, this is certainly not the case for the civilian examples for burglar-resistant doors and partitions in buildings for the shielding of CIT vehicles. In the civilian field, the armor elements must absolutely have a continuous outer surface, that is to say a flat or curved surface comprising no projecting elements or cavities.

Objet de l'inventionObject of the invention

L'objet de la présente invention est par conséquent de proposer un panneau anti-effraction qui présente une surface extérieure continue et qui est apte à mieux résister à des tentatives d'effraction à l'aide d'une charge creuse fixée sur cette surface continue. Conformément à l'invention, cet objectif est atteint par un panneau selon la revendication 1.The object of the present invention is therefore to propose a sign burglar resistant which has a continuous outer surface and is suitable for better withstand burglary attempts with a fixed hollow charge on this continuous surface. According to the invention, this objective is achieved by a panel according to claim 1.

Exposé de l'inventionPresentation of the invention

Un panneau selon la présente invention comprend un panneau de blindage à résistance mécanique élevée, un grillage fixé sur une première face de ce panneau de blindage, ce grillage étant composé de lattes perpendiculaires à cette première face, et un panneau d'habillage de faible résistance. Ce dernier recouvre le grillage et forme la surface extérieure continue exposée à une tentative d'effraction. (Par "surface continue" il faut entendre une surface plane ou courbe qui ne comprend pas d'éléments saillants ou de cavités). Grâce à une faible épaisseur et/ou une faible résistance mécanique du matériau qui le constitue, le panneau d'habillage ne présente guère de résistance à l'explosion d'une charge creuse fixée sur sa surface extérieure. Il s'ensuit que le panneau d'habillage cède sans déformer le grillage sous-jacent, ceci d'autant plus que le grillage présente par ailleurs une bonne rigidité transversale. La présence du grillage implique ensuite que les ondes d'explosion doivent traverser une couche d'air avant de rencontrer le premier panneau rigide qui forme obstacle au développement des ondes d'explosions, en l'occurrence le panneau de blindage. Le "coussin d'air" entre le foyer de l'explosion et la surface exposée du panneau de blindage amortit et dissipe les ondes d'explosion, ce qui réduit le pouvoir de percement focalisé de la charge creuse. De plus, les lattes perpendiculaires à la première face du panneau de blindage perturbent l'établissement d'un jet de gaz fortement focalisé, ce qui réduit encore davantage l'efficacité de la charge creuse. Il sera en outre apprécié que le grillage améliore la résistance à la déformation du panneau de blindage, sans sensiblement en augmenter le poids. Enfin, le panneau d'habillage cache l'existence et la géométrie du grillage à un attaquant.A panel according to the present invention comprises a shielding panel with high mechanical strength, a grid attached to a first face of this shielding panel, this grid being composed of slats perpendicular to this first face, and a panel of low resistance. This last covers the mesh and forms the continuous outer surface exposed to a attempted break-in. ("Continuous surface" means a flat surface or curve that does not include salient elements or cavities). Thanks to a small thickness and / or a low mechanical strength of the material which constitutes, the trim panel has little resistance to the explosion a hollow charge attached to its outer surface. It follows that the sign dressing yields without distorting the underlying mesh, all the more so as the grillage also has good transverse rigidity. The presence of roasting then implies that the explosion waves must pass through a layer of air before meeting the first rigid panel that forms obstacle the development of the explosions waves, in this case the shielding. The "air cushion" between the focus of the explosion and the exposed surface of the shielding board dampens and dissipates the explosion waves, which reduces the power of focused piercing of the hollow charge. In addition, the slats perpendicular to the first face of the shielding board disturb the establishment a highly focused gas jet, which further reduces the efficiency of the hollow charge. It will further be appreciated that roasting improves the deformation resistance of the armor board, without substantially increase the weight. Finally, the dressing panel hides the existence and grid geometry to an attacker.

L'efficacité de ce système de protection est encore sensiblement amélioré, si un espace vide est aménagé entre le grillage et la première face du panneau de blindage. Cet espace vide a comme but de servir à l'évacuation de gaz d'explosion entre le grillage et la première face du panneau de blindage. Il permet une expansion des gaz, ce qui entraíne une diminution de la pression d'explosion exercée sur le panneau de blindage. On pense aussi que les flux de gaz d'explosion forment dans cet espace vide un "coussinet de gaz" qui amortit les ondes de choc successives produites par l'explosion de la charge creuse.The effectiveness of this protection system is still significantly improved, if there is an empty space between the fence and the first face of the panel shielding. This empty space is intended to be used for the evacuation of gases of explosion between the mesh and the first face of the shielding panel. he allows an expansion of the gases, which leads to a reduction of the pressure of explosion exerted on the armor panel. It is also thought that the flows of explosion gas form in this empty space a "cushion of gas" which dampens the successive shock waves produced by the explosion of the hollow charge.

Dans une exécution particulièrement simple, le grillage est composé de premières lattes qui s'étendent dans une première direction et de deuxièmes lattes qui s'étendent dans une deuxième direction. Les premières lattes sont en contact direct avec la première face du panneau de blindage. Les deuxièmes lattes sont par contre espacées de la première face du panneau de blindage, de façon à définir des canaux entre les bords inférieurs des deuxièmes lattes et la première face du panneau de blindage. Ces canaux constituent alors un espace vide servant à l'évacuation de gaz d'explosion entre le grillage et la première face du panneau de blindage.In a particularly simple execution, the grating is composed of first slats extending in a first direction and second slats that extend in a second direction. The first slats are in direct contact with the first face of the shielding panel. The second slats are spaced apart from the first face of the armor board, way to define channels between the lower edges of the second slats and the first face of the shielding panel. These channels then constitute a space vacuum for the evacuation of explosive gases between the mesh and the first face of the shielding panel.

Dans une variante d'exécution, toutes les lattes du grillage sont espacées de la première face du panneau de blindage, de façon à former un espace vide d'un seul tenant servant à l'évacuation latérale de gaz d'explosion entre la face intérieure du grillage et la première face du panneau de blindage.In an alternative embodiment, all the slats of the mesh are spaced apart from the first face of the shielding panel, so as to form an empty space in one piece used for the lateral evacuation of explosive gas between the face inside of the mesh and the first face of the shielding panel.

La distance entre la première face du panneau de blindage et la face extérieure de la grille est de préférence supérieure à 10 mm et avantageusement de l'ordre de 20 à 50 mm. Les lattes ont avantageusement une épaisseur de l'ordre de 1 à 3 mm et une hauteur de l'ordre de 10 à 40 mm. Elles peuvent être effilées de façon à présenter la plus faible épaisseur du côté de la face extérieure de la grille. De telles lattes minces agissent comme un couteau sur le jet d'explosion. Elle perturbent l'établissement d'un jet de gaz fortement focalisé sans se déformer de façon substantielle en direction du panneau de blindage.The distance between the first face of the shielding panel and the outer face of the grid is preferably greater than 10 mm and advantageously the order of 20 to 50 mm. The slats advantageously have a thickness of the order from 1 to 3 mm and a height of the order of 10 to 40 mm. They can be tapered so as to have the smallest thickness on the side of the outer face of the grid. Such thin slats act like a knife on the jet explosion. It disrupts the establishment of a highly focused gas jet without substantial deformation towards the armor panel.

Le grillage est avantageusement formé de lattes qui se croisent pour former des cellules d'une section plus petite que la section d'ouverture de la charge creuse. Des cellules d'une section de l'ordre de 2 à 26 cm2 sont généralement recommandées. Deux lattes qui se croisent sont par ailleurs avantageusement reliées entre elles à leur point de croisement, ce qui augmente leur résistance et rend plus difficile la création d'une ouverture dans le grillage pour appliquer une charge creuse directement sur la première face du panneau de blindage.The mesh is advantageously formed of slats which intersect to form cells of a smaller section than the opening section of the hollow charge. Cells of a section of the order of 2 to 26 cm 2 are generally recommended. Two battens that intersect are also advantageously connected to each other at their crossing point, which increases their strength and makes it more difficult to create an opening in the mesh to apply a hollow charge directly to the first face of the armor panel .

De préférence, le grillage est monté dans un cadre qui est fixé sur la première face du panneau de blindage. Ce cadre comprend alors avantageusement une large bride de fixation périphérique soudée ou collée sur la première face du panneau de blindage. Il sera apprécié qu'un grillage monté de cette façon sera, du fait du temps nécessaire à son démontage, un obstacle difficile à surmonter par un attaquant.Preferably, the screen is mounted in a frame which is fixed on the first face of the shielding panel. This frame then advantageously comprises a wide peripheral clamp welded or glued on the first face of the shielding panel. It will be appreciated that a mounted grill of this This way, because of the time required to dismantle it, a difficult obstacle to overcome by an attacker.

Reste enfin à noter qu'un panneau selon la présente invention est par exemple avantageusement utilisé comme panneau de protection d'une porte anti-effraction ou d'un panneau dur à protéger, comme un mur en maçonnerie ou en béton.Finally, it should be noted that a panel according to the present invention is example advantageously used as a protection panel of a door burglar-proof or hardboard to protect, such as a masonry wall or concrete.

Brève description des FiguresBrief description of the Figures

D'autres particularités et caractéristiques de l'invention ressortiront de la description détaillée de quelques modes de réalisation avantageux présentés ci-dessous, à titre d'illustration, en se référant aux dessins annexés. Ceux-ci montrent:

Fig.1:
une coupe transversale à travers un premier panneau anti-effraction selon l'invention;
Fig.2:
une coupe transversale à travers un deuxième panneau anti-effraction selon l'invention.
Other features and characteristics of the invention will become apparent from the detailed description of some advantageous embodiments presented below, by way of illustration, with reference to the accompanying drawings. These show:
Fig.1:
a cross section through a first burglarproof panel according to the invention;
Fig.2:
a cross section through a second burglarproof panel according to the invention.

Description détaillée de quelques modes de réalisation avantageux de l'inventionDetailed description of some advantageous embodiments of the invention

Sur les figures, les mêmes références désignent dés éléments identiques ou similaires.In the figures, the same references designate identical elements or the like.

Dans les Fig. 1 & 2, la référence 10 désigne un panneau de blindage métallique, par exemple un panneau de blindage extérieur pour une porte anti-effraction ou un mur en maçonnerie ou en béton. La flèche 12 indique une surface face du panneau de blindage 10 qui est exposée à une attaque par effraction. Cette face 12 du panneau de blindage 10 est recouverte d'un grillage 14, 14'. La surface externe du grillage 14, 14' est revêtue d'un panneau d'habillage 26, par exemple une tôle de faible épaisseur (par exemple de moins de 0,8 mm) ou une plaque mince en bois ou en plastique, qui forme une surface extérieure continue, identifiée par la flèche 15. Grâce à une faible épaisseur et/ou une faible résistance mécanique du matériau qui le constitue, le panneau d'habillage ne présente guère de résistance à l'explosion d'une charge creuse fixée sur sa surface extérieure.In Figs. 1 & 2, the reference 10 designates a shielding panel metallic, for example an external shielding panel for an anti-burglar door or a wall made of masonry or concrete. Arrow 12 indicates a face of the shield panel 10 which is exposed to attack by breaking in. This face 12 of the shielding panel 10 is covered with a mesh 14, 14 '. The outer surface of the mesh 14, 14 'is coated with a covering panel 26, for example a sheet of small thickness (for example less than 0.8 mm) or a thin plate of wood or plastic, which forms a surface continuous exterior, identified by the arrow 15. Thanks to a small thickness and / or a weak mechanical resistance of the material which constitutes it, the panel dressing has little resistance to the explosion of a hollow charge fixed on its outer surface.

Le grillage 14 de la Fig. 1 est un grillage de type caillebotis composé d'une multitude de premières lattes 16i (i=1, 2, 3, 4, ...), qui sont perpendiculaires au plan du dessin et perpendiculaires à la face 12 du panneau de blindage 10, et d'une multitude de deuxièmes lattes 18i (i=1, ...), qui sont parallèles au plan du dessin et perpendiculaires à la face 12 du panneau de blindage 10. Dans l'exemple illustré, les premières lattes 16i (i=1, 2, 3, 4, ...) et les deuxièmes lattes 18i (i=1, ...) se croisent ainsi à angle droit et sont reliées à leur points de croisement. Les bords inférieurs 20i (i=1, 2, 3, 4, ...) des premières lattes 16i (i=1, 2, 3, 4, ...) sont en contact direct avec la face 12 du panneau de blindage 10 et sont fixées à cette dernière par des points de soudage. Les deuxièmes lattes 18i (i=1, ...) ont une hauteur plus faible que les premières lattes 16i (i=1, 2, 3, 4, ...), et leur bord inférieur 22i (i=1, ...) est espacé de la première face 12 du panneau de blindage 10. De cette façon sont définis des canaux 24i (i=1, 2, 3...), qui sont délimités latéralement par les premières lattes 16i (i=1, 2, 3, 4, ...) et qui s'étendent entre les bords inférieurs 22i (i=1, ...) des deuxièmes lattes 18i (i=1, ...) et la première face 12 du panneau de blindage.The grill 14 of FIG. 1 is a grating type grating composed of a multitude of first slats 16 i (i = 1, 2, 3, 4, ...), which are perpendicular to the plane of the drawing and perpendicular to the face 12 of the shielding panel 10, and a multitude of second slats 18 i (i = 1, ...), which are parallel to the plane of the drawing and perpendicular to the face 12 of the shielding panel 10. In the example illustrated, the first slats 16 i (i = 1, 2, 3, 4, ...) and the second slats 18 i (i = 1, ...) intersect at right angles and are connected to their crossing points. The lower edges 20 i (i = 1, 2, 3, 4, ...) of the first slats 16 i (i = 1, 2, 3, 4, ...) are in direct contact with the face 12 of the panel 10 and are attached thereto by welding points. The second slats 18 i (i = 1, ...) have a lower height than the first slats 16 i (i = 1, 2, 3, 4, ...), and their lower edge 22 i (i = 1, ...) is spaced from the first face 12 of the shielding panel 10. In this way are defined channels 24 i (i = 1, 2, 3 ...), which are delimited laterally by the first slats 16 i (i = 1, 2, 3, 4, ...) and which extend between the lower edges 22 i (i = 1, ...) of the second slats 18 i (i = 1, ...) and the first face 12 of the shielding panel.

Le grillage 14' de la Fig. 2 se distingue du grillage 14 de la Fig. 1 essentiellement par le fait que les premières lattes 16'i (i=1, 2, 3, 4, ...) et les deuxièmes lattes 18'i (i=1, ...) ont la même hauteur. Ce grillage 14' est monté dans un cadre 28 qui maintient la face intérieure 30 du grillage 14' à une certaine distance de la première face 12 du panneau de blindage 10. En d'autres termes, toutes les lattes 16'i (i=1, 2, 3, 4, ...) et 18'i (i=1, ...) du grillage 14' sont espacées de la première face 12 du panneau de blindage 10 et il subsiste un espace vide 32 d'un seul tenant entre la face intérieure 30 du grillage 14' et la première face 12 du panneau de blindage 10. Reste à noter que le cadre 28 est avantageusement un cadre périphérique qui entoure le bord du grillage 14'. Il comprend une large bride de fixation 34, qui peut être discontinue et qui est fixée (avantageusement collée ou soudée) sur la première face 12 du panneau de blindage 10. La référence 36 désigne un support intermédiaire du grillage 14' qui est fixé sur la première face 12 du panneau de blindage 10.The grill 14 'of FIG. 2 is distinguished from the grill 14 of FIG. 1 essentially by the fact that the first slats 16 ' i (i = 1, 2, 3, 4, ...) and the second slats 18' i (i = 1, ...) have the same height. This grid 14 'is mounted in a frame 28 which maintains the inner face 30 of the grid 14' at a distance from the first face 12 of the shielding panel 10. In other words, all the slats 16 ' i (i = 1, 2, 3, 4, ...) and 18 ' i (i = 1, ...) of the grid 14' are spaced apart from the first face 12 of the shielding panel 10 and there remains an empty space 32 of a single piece between the inner face 30 of the grid 14 'and the first face 12 of the shielding panel 10. It should be noted that the frame 28 is advantageously a peripheral frame which surrounds the edge of the grid 14'. It comprises a wide fastening flange 34, which may be discontinuous and which is fixed (advantageously bonded or welded) to the first face 12 of the shielding panel 10. The reference 36 designates an intermediate support of the mesh 14 'which is fixed on the first face 12 of the shielding panel 10.

En ce qui concerne le dimensionnement, on notera que:

  • la distance "d" entre la première face 12 du panneau 10 et la face extérieure de la grille de préférence supérieure à 10 mm et avantageusement de l'ordre de 20 à 50 mm (plus cette distance est grande, plus la grille est efficace, mais plus le panneau est encombrant);
  • l'épaisseur "e" des lattes est de l'ordre 1 à 2 mm et leur hauteur "h" est comprise entre 10 et 40 mm;
  • la section "S" des mailles du grillage 14, 14' est de l'ordre de 2 à 26 cm2 (comme déjà mentionné, cette section doit être inférieure à la section de l'ouverture frontale de la charge creuse).
With regard to sizing, note that:
  • the distance "d" between the first face 12 of the panel 10 and the outer face of the gate preferably greater than 10 mm and advantageously of the order of 20 to 50 mm (the greater this distance, the more effective the grid, but the more bulky the panel);
  • the thickness "e" of the slats is of the order 1 to 2 mm and their height "h" is between 10 and 40 mm;
  • the section "S" of the grid meshes 14, 14 'is of the order of 2 to 26 cm 2 (as already mentioned, this section must be less than the section of the front opening of the hollow charge).

Claims (15)

Panneau anti-effraction comprenant une surface continue (15) exposée à une tentative d'effraction, notamment à l'aide d'une charge creuse appliquée sur cette surface, comprenant: un panneau de blindage (10) à résistance mécanique élevée ayant une première face (12); un grillage (14, 14') fixé sur ladite première face (12) de ladite plaque de blindage (10), ledit grillage (14, 14') étant formé de lattes (16, 18) (16', 18') perpendiculaires à ladite première face (12) de ladite plaque de blindage (10); et un panneau d'habillage (26) de faible résistance recouvrant ledit grillage (14, 14') et formant ladite surface continue (15) exposée à une tentative d'effraction. Burglar-proof panel comprising a continuous surface (15) exposed to an attempted burglary, in particular by means of a hollow charge applied to this surface, comprising: a high strength shielding panel (10) having a first face (12); a grid (14, 14 ') fixed to said first face (12) of said shielding plate (10), said grid (14, 14') being formed of perpendicular slats (16, 18) (16 ', 18') said first face (12) of said shielding plate (10); and a low-resistance covering panel (26) covering said screen (14, 14 ') and forming said continuous surface (15) exposed to an attempted break-in. Panneau selon la revendication 1, comprenant un espace vide (24, 32) aménagé entre ledit grillage (14, 14') et ladite première face (12) dudit panneau de blindage (10) de façon à servir à l'évacuation de gaz d'explosion entre ledit grillage (14, 14') et ladite première face (12) dudit panneau de blindage (10).Panel according to claim 1, comprising a void space (24, 32) arranged between said grid (14, 14 ') and said first face (12) of said panel shielding means (10) for use in exhaust gas discharge between said grid (14, 14 ') and said first face (12) of said panel shielding (10). Panneau selon la revendication 2, dans lequel ledit grillage (14) est composé de premières lattes (16) qui s'étendent dans une première direction et de deuxièmes lattes (18) qui s'étendent dans une deuxième direction, lesdites premières lattes (16) étant en contact direct avec ladite première face (12) dudit panneau de blindage (10), et lesdites deuxièmes lattes (18) étant espacées de ladite première face (12) dudit panneau de blindage (10) de façon à définir des canaux (24) entre les bords (22) inférieurs desdites deuxièmes lattes (18) et ladite première face (12) dudit panneau de blindage (10), ces canaux (24) formant un espace vide servant à l'évacuation de gaz d'explosion entre ledit grillage (14) et ladite première face (12) dudit panneau de blindage (10). Panel according to claim 2, wherein said grid (14) is composed first slats (16) extending in a first direction and second slats (18) extending in a second direction, said first slats (16) being in direct contact with said first face (12) said armor panel (10), and said second battens (18) being spaced apart said first face (12) of said shielding panel (10) so defining channels (24) between the lower edges (22) of said second battens (18) and said first face (12) of said armor panel (10), these channels (24) forming an empty space for the evacuation of gases of explosion between said grid (14) and said first face (12) of said panel shielding (10). Panneau selon la revendication 2, dans lequel toutes les lattes (16', 18') dudit grillage (14') sont espacées de ladite première face (12) dudit panneau de blindage (10) de façon à former ledit espace vide (32) servant à l'évacuation latérale de gaz d'explosion entre la face inférieure dudit grillage (30) et ladite première face (12) dudit panneau de blindage (10).Panel according to claim 2, wherein all the slats (16 ', 18') said screen (14 ') are spaced from said first face (12) of said panel shield (10) to form said empty space (32) for the evacuation side of explosion gas between the underside of said screen (30) and said first face (12) of said shield panel (10). Panneau selon l'une quelconque des revendications 1 à 4, dans lequel la distance entre la ladite première face (12) dudit panneau de blindage (10) et la face extérieure de ladite grille (14, 14') est d'au moins 10 mm.Panel according to any one of claims 1 to 4, wherein the distance between the said first face (12) of the said shielding panel (10) and the outer face of said grid (14, 14 ') is at least 10 mm. Panneau selon l'une quelconque des revendications 1 à 5, dans lequel lesdites lattes (16, 18, 16', 18') ont une épaisseur de l'ordre de 1 à 3 mm.Panel according to any one of claims 1 to 5, wherein said slats (16, 18, 16 ', 18') have a thickness of the order of 1 to 3 mm. Panneau selon l'une quelconque des revendications 1 à 6, dans lequel lesdites lattes sont effilées et présentent la plus faible épaisseur du côté de la face extérieure de ladite grille.Panel according to any one of claims 1 to 6, wherein said slats are tapered and have the smallest thickness on the side of the outer face of said grid. Panneau selon l'une quelconque des revendications 1 à 7, dans lequel lesdites lattes (16, 18, 16', 18') ont une hauteur comprise entre 10 et 40 mm.Panel according to any one of claims 1 to 7, wherein said slats (16, 18, 16 ', 18') have a height of between 10 and 40 mm. Panneau selon l'une quelconque des revendications 1 à 8, dans lequel lesdites lattes (16, 18, 16', 18') se croisent pour former des cellules d'une section de 2 à 26 cm2.A panel according to any one of claims 1 to 8, wherein said slats (16, 18, 16 ', 18') intersect to form cells having a section of 2 to 26 cm 2 . Panneau selon l'une quelconque des revendications 1 à 9, dans lequel lesdites lattes (16, 18, 16', 18') se croisent pour former des cellules et sont reliées entre elles aux points de croisement.Panel according to any one of claims 1 to 9, wherein said slats (16, 18, 16 ', 18') intersect to form cells and are connected to each other at crossing points. Panneau selon l'une quelconque des revendications 1 à 10, dans lequel ledit grillage (14') est monté dans un cadre (28) qui est fixé sur ladite première face (12) dudit panneau de blindage (10).Panel according to any one of claims 1 to 10, wherein said screen (14 ') is mounted in a frame (28) which is fixed on said first face (12) of said shielding panel (10). Panneau selon la revendication 11, dans lequel ledit cadre (28) comprend une large bride de fixation périphérique (34) collée sur ladite première face (12) dudit panneau de blindage (10).The panel of claim 11, wherein said frame (28) comprises a wide peripheral fastening flange (34) glued to said first face (12) of said shield panel (10). Porte anti-effraction dont le panneau de porte comprend un panneau selon l'une quelconque des revendications 1 à 12. Burglarproof door whose door panel includes a panel according to any of claims 1 to 12. Cloison anti-effraction comprenant un panneau selon l'une quelconque des revendications 1 à 12.Burglar-proof partition comprising a panel according to any one of Claims 1 to 12. Blindage d'un véhicule de transport de fonds comprenant un panneau selon l'une quelconque des revendications 1 à 12.Shielding a CIT vehicle including a panel according to any of claims 1 to 12.
EP02025870A 2002-11-19 2002-11-19 Anti-effraction door Expired - Lifetime EP1422490B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES02025870T ES2341536T3 (en) 2002-11-19 2002-11-19 DOOR- ANTI-INTRUSION.
DE60235817T DE60235817D1 (en) 2002-11-19 2002-11-19 Burglar-proof door
EP02025870A EP1422490B1 (en) 2002-11-19 2002-11-19 Anti-effraction door
AT02025870T ATE462951T1 (en) 2002-11-19 2002-11-19 BURGLARY-PROOF DOOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02025870A EP1422490B1 (en) 2002-11-19 2002-11-19 Anti-effraction door

Publications (2)

Publication Number Publication Date
EP1422490A1 true EP1422490A1 (en) 2004-05-26
EP1422490B1 EP1422490B1 (en) 2010-03-31

Family

ID=32187167

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02025870A Expired - Lifetime EP1422490B1 (en) 2002-11-19 2002-11-19 Anti-effraction door

Country Status (4)

Country Link
EP (1) EP1422490B1 (en)
AT (1) ATE462951T1 (en)
DE (1) DE60235817D1 (en)
ES (1) ES2341536T3 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006134407A1 (en) * 2005-06-14 2006-12-21 Soukos Robots S.A. Rocket-propelled grenade protection system
FR2998597A1 (en) * 2012-11-28 2014-05-30 Structures DEFORMABLE PROTECTION STRUCTURE FOR BUILDING, ENCLOSURE, INFRASTRUCTURE OR SIMILAR, AGAINST THE IMPACT OF A MOBILE OBJECT

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR503320A (en) * 1917-04-25 1920-06-08 Sir W G Armstrong Shielding improvements
GB577785A (en) * 1938-06-02 1946-05-31 Anthony Joseph Marek Improvements in or relating to bullet-proof armour plating
FR1103549A (en) 1954-04-21 1955-11-03 Cie De Fives Lille Pour Const Shielding device
US4404889A (en) * 1981-08-28 1983-09-20 The United States Of America As Represented By The Secretary Of The Army Composite floor armor for military tanks and the like
US5847308A (en) * 1996-05-30 1998-12-08 United Defense, Lp Passive roof armor
DE19735594A1 (en) * 1997-08-15 1999-02-25 Henschel Wehrtechnik Gmbh Device for ensuring availability of armoured wheel and chain vehicles against effect of mines
US6311605B1 (en) * 1998-06-05 2001-11-06 Gerd Kellner Arrangement for protection against shaped changes

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR503320A (en) * 1917-04-25 1920-06-08 Sir W G Armstrong Shielding improvements
GB577785A (en) * 1938-06-02 1946-05-31 Anthony Joseph Marek Improvements in or relating to bullet-proof armour plating
FR1103549A (en) 1954-04-21 1955-11-03 Cie De Fives Lille Pour Const Shielding device
US4404889A (en) * 1981-08-28 1983-09-20 The United States Of America As Represented By The Secretary Of The Army Composite floor armor for military tanks and the like
US5847308A (en) * 1996-05-30 1998-12-08 United Defense, Lp Passive roof armor
DE19735594A1 (en) * 1997-08-15 1999-02-25 Henschel Wehrtechnik Gmbh Device for ensuring availability of armoured wheel and chain vehicles against effect of mines
US6311605B1 (en) * 1998-06-05 2001-11-06 Gerd Kellner Arrangement for protection against shaped changes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006134407A1 (en) * 2005-06-14 2006-12-21 Soukos Robots S.A. Rocket-propelled grenade protection system
FR2998597A1 (en) * 2012-11-28 2014-05-30 Structures DEFORMABLE PROTECTION STRUCTURE FOR BUILDING, ENCLOSURE, INFRASTRUCTURE OR SIMILAR, AGAINST THE IMPACT OF A MOBILE OBJECT
FR2998596A1 (en) * 2012-11-28 2014-05-30 Structures Deformable type structure for protecting e.g. core of nuclear power plant against impact of projectile, has set of elements secured to another set of elements, where former set common direction forms angle with latter set common direction

Also Published As

Publication number Publication date
ES2341536T3 (en) 2010-06-22
DE60235817D1 (en) 2010-05-12
EP1422490B1 (en) 2010-03-31
ATE462951T1 (en) 2010-04-15

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