EP4053491A1 - Bloc balistique pour un vitrage a l'épreuve des balles - Google Patents

Bloc balistique pour un vitrage a l'épreuve des balles Download PDF

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Publication number
EP4053491A1
EP4053491A1 EP21160397.2A EP21160397A EP4053491A1 EP 4053491 A1 EP4053491 A1 EP 4053491A1 EP 21160397 A EP21160397 A EP 21160397A EP 4053491 A1 EP4053491 A1 EP 4053491A1
Authority
EP
European Patent Office
Prior art keywords
ballistic block
glazing
panes
ballistic
transparent
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.)
Pending
Application number
EP21160397.2A
Other languages
German (de)
English (en)
Inventor
Fritz SCHLÖGL
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.)
Sedak GmbH and Co KG
Original Assignee
Sedak GmbH and Co KG
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 Sedak GmbH and Co KG filed Critical Sedak GmbH and Co KG
Priority to EP21160397.2A priority Critical patent/EP4053491A1/fr
Priority to US17/679,921 priority patent/US11976902B2/en
Publication of EP4053491A1 publication Critical patent/EP4053491A1/fr
Pending legal-status Critical Current

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Classifications

    • 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
    • F41H5/04—Plate construction composed of more than one layer
    • F41H5/0407—Transparent bullet-proof laminatesinformative reference: layered products essentially comprising glass in general B32B17/06, e.g. B32B17/10009; manufacture or composition of glass, e.g. joining glass to glass C03; permanent multiple-glazing windows, e.g. with spacing therebetween, E06B3/66
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
    • E06B3/6715—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes

Definitions

  • the invention relates to bulletproof glazing.
  • the invention relates to a ballistic block for bulletproof glazing or as bulletproof glazing, in particular in the form of transparent, shatterproof and bulletproof glazing, and its use.
  • wall constructions for example building facades
  • facade or wall constructions are to be designed to be transparent, bullet-resistant glass elements are arranged.
  • bullet-resistant insulating glass elements are generally used.
  • the bullet-proof glass level is formed by further individual panes which are arranged on the individual panes and are glued to one another.
  • the dimensions of the bulletproof insulating glass elements are limited.
  • a large number of individual bulletproof insulating glass elements are therefore required, which must be arranged at a distance from one another in order to be able to arrange the elements that ultimately form the frame, in order to then enable the edges to be clamped by individual insulating glass elements.
  • the elements of the facade that hold the bulletproof insulating glass elements are generally composite profile arrangements, in particular in the form of hollow chamber profiles made of aluminum, which do not have a sufficient bulletproof effect. Since the projectiles only have to penetrate a part of the individual panes of the laminated glass package when fired at an angle, this poses a risk to the area to be protected.
  • the arrangement of such steel inserts is extremely labor-intensive, since a number of additional work steps are required in the production of corresponding facade structures.
  • the steel inserts have to be deflected according to the length of the facade construction elements to be protected and inserted, secured and fastened in places that are usually difficult to access.
  • additional steel corner pieces have to be taken into account in the area of corner connections, which are also intended to protect the facade construction against bullets in its corner areas.
  • Bulletproof glass without splintering of the classes BR1-NS to BR7-NS according to EN 1063 is currently based primarily on an inner layer of either polycarbonate or a tear-resistant clear film. These inner layers have the disadvantage of not being as scratch resistant as glass and they are limited in manufacturing size. The function of the glasses is also limited by the use of lamination films specifically required to bond polycarbonate to glass. Also, no sun protection layers are possible for insulating glass production.
  • the "core” of the invention is to be seen in particular in the use of a ballistic block, in particular of monolithic construction, as bullet-resistant glazing, i.e. without further glazing in front of or behind the ballistic block, the ballistic block consisting of a large number of sandwiched glass panes made of toughened glass (Partially toughened or fully toughened glass), which are connected to each other via a high-strength ionoplast layer.
  • a statically self-supporting glazing is created - due to the glass panes made of toughened glass on the one hand and due to the high-strength ionoplast connection on the other.
  • This glazing can therefore be used without a frame, for example as a partition wall.
  • the ballistic block has a symmetrical structure, in particular, so that both side surfaces of the ballistic block act as the "attack side" in terms of the certification of bullet-resistant glazing.
  • the ballistic block has more than five, and in particular more than six, TVG discs, each with a thickness of at least 5 mm and at least 10 mm, which have ionoplast foils with a thickness of 0.4 mm to 0.9 mm each assembled into a laminated glass block.
  • the ballistic block can have at least one further pane, which is connected to the ballistic block via a spacer, forming a space between the panes.
  • the ballistic block can be made thinner overall—for example, with only three TVG disks, each with a thickness of at least 5 mm and at least 10 mm. Possible splinters from the outer transparent panes of the ballistic block, which are made of toughened glass, are caught in the space between the panes, ie in the cavity between the ballistic block and the at least one other pane.
  • the invention is therefore based on the object of specifying bullet-resistant glazing with which dimensions can also be realized that are significantly larger than the currently achievable dimensions, while at the same time splinter release should be effectively prevented when the glazing is shot at, and where, moreover, Bullet-resistant glazing meets the conditions specified in the EN 1063 standard (status of the standard: filing date) for classification BR1-NS to BR7-NS.
  • the present invention relates in particular to a ballistic block, in particular for bullet-resistant glazing or as bullet-resistant glazing, the ballistic block having at least two transparent panes which are connected to one another via an intermediate layer, the ballistic block being constructed without an energy-absorbing layer or film made of polycarbonate and wherein the at least two transparent panes, and in particular all of the transparent panes, of the ballistic block are each panes of toughened glass.
  • the panes of the ballistic block are tempered glass panes or heat-strengthened glass panes.
  • the intermediate layer between the at least two transparent panes of the ballistic block is formed at least partially or in regions from an ionoplast polymer.
  • the intermediate layer between the at least two transparent panes of the ballistic block is an SGP foil, preferably with a maximum total nominal thickness of 0.9 mm.
  • the at least two transparent panes are combined with the help of the intermediate layer to form a statically self-supporting unit such that the ballistic block only has to be held on one side or at most only on two sides when installed.
  • the ballistic block has a symmetrical and in particular a symmetrical and monolithic structure. This means that no attack side has to be named for the certification.
  • the ballistic block is particularly suitable as a free-standing partition wall, for example at airports. It is important here that the ballistic block has bullet-resistant properties on both sides.
  • the self-supporting property of bulletproof glazing is achieved through the use of glass panes made of toughened glass, in particular TVG panes, in combination with high-strength ionoplast films as intermediate layers.
  • the glazing therefore does not require a support frame etc. This is unique so far, since conventional bullet-resistant glazing is nothing more than frame-supported ballistic filling elements, whereby the supporting frame must also be designed to be bulletproof.
  • the present invention relates in particular to bulletproof glazing with a ballistic block made of at least two transparent panes which are connected to one another via an intermediate layer.
  • the bullet-resistant glazing has at least one further transparent pane, which is arranged parallel to the panes of the ballistic block and at a distance from them and is connected to the ballistic block via a circumferential spacer in such a way that between the ballistic block and the at least one another disk a cavity is formed.
  • the bullet-resistant glazing and in particular the ballistic block of the bullet-resistant glazing are designed without an energy-absorbing layer or film made of polycarbonate.
  • the ballistic block in particular is designed to be statically self-supporting.
  • This statically self-supporting property of the ballistic block is achieved by forming the interlayer between the transparent panes of the ballistic block from a material that has high strength compared to polycarbonate.
  • the statically self-supporting property of the ballistic block is achieved in that the transparent panes of the ballistic block do not consist of float glass as in the prior art, but consist of toughened glass. As a result, the statically self-supporting property of the ballistic block can be achieved.
  • the rigidity necessary to make the ballistic block in particular statically self-supporting can only be achieved by using toughened glass for the glass panes of the ballistic block. It has been shown here that a ballistic block made of float glass does not have any self-supporting properties in the static sense.
  • the at least one further transparent pane of the bullet-resistant glazing is preferably, and in particular all further transparent panes of the bullet-resistant glazing are also panes made of toughened glass. This measure ensures that the entire bullet-resistant glazing is statically self-supporting together with excellent residual load-bearing capacity in the event of damage.
  • the term “tempered glass” used here is basically to be understood as meaning glass whose flexural strength is at least 70 N/mm 2 .
  • the toughened glass can be thermally toughened glass, for example. During thermal toughening, the glass is heated homogeneously, ie constant across the cross-section, to a temperature that is around 100 °C above the transformation temperature (approx. 620 °C to 670 °C). The glass pane is then rapidly cooled from the surfaces and placed in a state of internal stress.
  • Cooling is usually done by blowing air on it. At the beginning of the cooling process, the stress is constant over the entire cross-section. Then the cooling of the surface begins, which contracts in the process. This is prevented by the core which has not yet cooled down. This creates a brief tensile stress on the surface and compressive stress in the core. At this point, however, the stresses only reach low values, since they are quickly reduced again by the high viscosity of the hot glass material.
  • the glass In the final phase of cooling, the glass has approximately the properties of an elastic body.
  • the temperature distribution is parabolic and the core is warmer than the surface.
  • the core In order to reach the final state, the core must therefore cool down by a greater amount than the surface.
  • the core thus generates compressive stresses on the surface in the already “solid” glass.
  • Tensile stresses arise in the core itself for reasons of equilibrium.
  • Float glass is preferably used as the base product for thermal toughening in particular.
  • the toughened glass panes are either fully toughened glass panes or partially toughened glass panes (TVG).
  • an SGP film in particular is selected for the intermediate layer between the at least two transparent panes of the ballistic block.
  • This is an ionoplast film consisting of semi-crystalline thermoplastics.
  • An SGP film as an intermediate layer has a high degree of rigidity at room temperature compared to PVB films, for example.
  • the time and temperature dependent thrust modes of the SGP interlayer differ significantly from those of PVB.
  • SGP proves to be significantly more shear and bending resistant in the temperature ranges used in construction. This can be attributed to the higher glass transition temperature of around 55 °C compared to PVB. In most practical construction applications, the component temperature is below this glass transition temperature.
  • the glazing according to the invention with partially toughened glass is certified according to EN 1063 in all relevant bullet resistance classes up to BR7-NS. This represents a special feature that can only result from the special structure in the combination of glazing.
  • All hitherto known bulletproof glasses are made of non-tempered float glass (window glass) and are certified.
  • the float glass has advantages in terms of bullet resistance, but major disadvantages for a loadable, statically verifiable load-bearing structure that can be realized with the bulletproof glazing according to the invention.
  • the invention thus also relates in particular to glazing, the at least two transparent panes of the ballistic block and/or the at least one further transparent pane being a curved glass pane with a predetermined or definable bending radius.
  • the bent glasses are manufactured industrially by automatic bending machines (so-called tempering bending furnaces).
  • tempering bending furnaces the glass panes are not individually formed in the so-called gravity bending process, since this would be relatively expensive and, in particular, because this contradicts the actual idea of the invention, because the invention deliberately only works with toughened glass.
  • the SGP foil used as an intermediate layer between the at least two transparent panes of the ballistic block preferably has a maximum total nominal thickness of 0.9 mm.
  • the intermediate layer between the at least two transparent panes of the ballistic block is formed from a material which is opposite Polycarbonate is high strength.
  • Polycarbonate is high strength
  • the intermediate layer via which the at least two transparent panes of the ballistic block are connected to one another, comprises a transparent and in particular polycarbonate-free and/or polymethyl methacrylate-free intermediate layer which, compared to a polycarbonate material, protects the panes strongly connected to each other.
  • the bullet-resistant glazing has a ballistic block and at least one additional transparent pane, which is arranged at a distance from the ballistic block, there is bulletproof double-shell insulating glazing which, due to the air gap between the ballistic block on the one hand and the at least one additional transparent pane on the other hand provides good thermal insulation.
  • the selected multilayer glazing proves to be very effective in terms of its bulletproof and bulletproof properties.
  • the ballistic block arranged on the side facing the fire essentially prevents a bullet from being shot through, while the at least one other pane arranged at a distance from the ballistic block on the side facing away from the fire side has the task of removing any fragments that may be detached on the back of the ballistic block when fired on to intercept.
  • the ballistic block of the glazing according to the invention has a large number of transparent panes which are connected to one another via an intermediate layer, with the ballistic block itself taking on the function of energy absorption, it is possible to attach any energy-absorbing films or plates, in particular to a particular one potential direction of fire opposite surface of the disks of the ballistic block.
  • the intermediate layer is in particular transparent and formed primarily from a polycarbonate-free and/or polymethyl methacrylate-free material.
  • the intermediate layer or intermediate layers of the ballistic block is formed at least partially or in regions from an ionoplast polymer or a material with similar material properties, such as high-strength polyvinyl butyral (PVB).
  • PVB polyvinyl butyral
  • a two-component and in particular crystal-clear silicone is particularly suitable as the material for the intermediate layer or intermediate layers of the ballistic block.
  • Such a two-component silicone material is also particularly advantageous with regard to fire behavior, since it cannot be ignited, or can only be ignited with difficulty.
  • a reactive and preferably crystal-clear silicone material is used in particular, which reacts to completion above a critical temperature that can be defined in advance. Such a silicone material can then be cast or otherwise introduced into a space between two panes of the ballistic block in the cooled state, i.e. in a state below the critical curing temperature.
  • interlayers made of high-strength polyvinyl butyral or a two-component silicone material or an ionoplast interlayer are significantly tougher and stiffer, so that the ballistic block does not become unstable even with a greater weight (ie with larger dimensions), but remains statically self-supporting overall.
  • bullet-resistant laminated glass in which a polycarbonate film is used as a ductile, energy-absorbing plastic outer layer, can form cracks in the layer depending on the temperature due to the properties of the polycarbonate layer, which have a negative effect on the overall appearance and affect the safety of the laminated safety glass.
  • an intermediate layer made of ionoplast for example, is used in the ballistic block of the glazing according to the invention instead of a polycarbonate outer plate, no cracks occur in the ionoplast intermediate layer, even in the event of high temperature fluctuations in outdoor use, since this is significantly stiffer and stronger than polycarbonate is.
  • glazing dimensions of at least 15 m 2 and preferably at least 20 m 2 can be realized.
  • the high-strength interlayer can reduce the amount of plastic material per unit area, which has a positive effect on the fire behavior of the glazing, and that the ballistic block is statically self-supporting even with an area of more than 15 m 2 .
  • the assessment of the bullet-resistant effect is made according to five bullet classes.
  • the bullet test with the G3 NATO rifle is carried out with 7.62 x 51 full metal jacket/hard-core ammunition.
  • the highest demands are made on bullet resistance.
  • the ballistic block has a thickness which withstands fire from a 7.62 x 51 mm full metal jacket/hard core cartridge according to DIN EN 1063, the thickness of the ballistic block being formed in particular by one appropriate number of transparent panes, each of which is connected to one another via an intermediate layer, and/or through appropriate thicknesses of the transparent panes of the ballistic block.
  • the cavity between the ballistic block on the one hand and the at least one further transparent pane on the other hand is hermetically sealed and filled with a gas with a low heat transfer coefficient, such as argon and/or krypton. is filled.
  • a laminated glass pane is preferably used as at least one additional pane, which consists of several individual panes which are connected to one another via an elastic, tear-resistant ionoplast film.
  • An SGP film for example, is used as the ionoplast film.
  • An intermediate space is provided between the ballistic block on the one hand and the at least one further transparent pane on the other hand, in which space any splinters that may occur during a fire are collected.
  • the clearance also serves to allow the glazing to flex to a limited extent.
  • Values between 13 mm and 60 mm have proven advantageous for the thickness of the ballistic block and values between 9 mm and 21 mm for the thickness of the at least one further pane. Both the highest possible protection and the weight of the entire glazing play a role here.
  • this has a total thickness of about 60 mm, with the ballistic block arranged on the firing side having a total thickness of 30 to 40 mm and a total interlayer thickness of 3 to 5 mm.
  • the air gap between the ballistic block on the one hand and the at least one further transparent pane is preferably 12 to 16 mm, with the at least one further pane facing away from the shelling side, in particular laminated glass pane, having a thickness of 9 to 21 mm.
  • This at least one further pane can consist, for example, of a thin silicate glass pane facing the air gap and a thermally toughened silicate glass pane directed to the outside.
  • This laminated glass panel is constructed so that the outer thermally toughened glass panel with high flexural strength withstands without breaking the deflection of the destroyed ballistic block front laminated glass panel and the bending stresses imposed on it by the ejected fragments. It is protected against damage to its surface by the splinters that occur and/or by contact with the bulging front panes of the ballistic block by the thin normal glass pane facing the air gap, so that the surface of this tempered glass pane remains undamaged and thus the full high bending strength of the thermal toughened glass pane comes into play.
  • the thickness and/or the material of the at least one intermediate layer of the ballistic block and/or the at least one further transparent pane designed as laminated glass is selected in such a way that the calorific value of the material is less than 55 MJ/kg, and preferably less than 50 MJ/kg and more preferably less than 45 MJ/kg.
  • the fire protection classification of the glazing can be improved. It makes sense here if the mass distribution of the intermediate layer of the ballistic block and/or the at least one further transparent pane designed as laminated glass is between 0.02 g/m 2 and 0.10 g/m 2 , preferably between 0.05 g/m 2 m 2 and 0.08 g/m 2 and in particular 0.07 g/m 2 .
  • bulletproof glazing 100 without fragments according to classes BR1-NS to BR7-NS according to the standard EN 1063 is based primarily on the approach of using tough layers applied to the inside of the glazing 100 to hold back the fragments. These applied layers usually consist of either polycarbonate or a tear-resistant clear anti-shatter film.
  • the glazing 100 according to the invention in which it is provided in particular that the occurring glass and projectile splinter disposals of the outer unclassified armored glass pane are caught in the form of a ballistic block in the space between the panes of the bullet-resistant glazing 100.
  • the space between the panes is used as a buffer for the pressure wave and the splinters.
  • the entire glazing 100 designed as an insulating glass unit achieves the necessary classification at the end.
  • FIG. 1 Schematically illustrated embodiment of the glazing 100 according to the invention, this is designed as a ballistic block 10 with an outer armored glass pane.
  • the ballistic block 10 has at least two and - as in FIG. 1 indicated - for example, four transparent panes 11, 12, 13, 14, which are each connected to one another via an intermediate layer 19.
  • the bullet-resistant glazing 100 consists of the ballistic block 10 facing the bombardment side, which is designed overall as a laminated glass pane, and the at least one further transparent pane 15, 16 facing away from the bombardment side, which is also designed as a laminated glass pane 15 here.
  • This at least one further transparent pane 15, 16, designed as a laminated glass pane 15, is combined with the ballistic block 10 and the interposition of an air gap 20 to form double-shell insulating glazing, namely by the ballistic block 10 and the at least one further transparent pane 15, 16 being bonded by adhesive layers are connected to the spacer frame or spacer 21 .
  • the groove formed by the edge regions of the ballistic block 10 and the at least one further transparent pane 15, 16 and the spacer 21/spacer frame are made with a sealing compound.
  • the ballistic block 10 designed as a laminated glass pane, has in FIG. 1
  • the glazing according to the invention is characterized in particular by the fact that the panes 11, 12, 13, 14 of the ballistic block 10 are each panes made of toughened glass.
  • the other transparent panes 16, 17 are preferably also panes made of toughened glass.
  • the transparent panes 11, 12, 13, 14 of the ballistic block 10 and the other transparent panes 16, 17 are combined to form a statically self-supporting unit such that the glazing 100 only has to be held on two sides when installed.
  • the glass panes 11, 12, 13, 14 of the ballistic block 10 designed as a laminated glass pane can each have the same thickness; However, it would also be conceivable to make the outer glass panes 11, 14 of the ballistic block 10, which is designed as a laminated glass pane, much thinner than the middle glass panes 12, 13 Block 10, for example, at about 8 to 15 mm.
  • the air gap 20 between the ballistic block 10 and the at least one other laminated glass pane 15 is preferably at least about 12 mm.
  • the at least one further laminated glass pane 15 comprises the glass pane facing the air gap 20, which can be designed, for example, as a silicate glass pane with a thickness of, for example, approximately 3 mm.
  • This glass pane 17 facing the air gap is connected to an outer glass pane 16 made of thermally toughened silicate glass via an intermediate layer 22, in particular a polyvinyl butyral intermediate layer with a thickness of, for example, 1.5 mm.
  • This outer glass pane 16 of the at least one further laminated glass pane 15 can have the same thickness as the inner glass pane 16.
  • a greater thickness for the outer glass pane 16 for example a thickness of 6 mm, so that a bending strength of at least 500 kg/cm 2 can be achieved.
  • the glazing 100 according to the invention has a bulletproof effect corresponding to resistance class BR37-NS, with no fragments being released on the side facing away from the bullet.
  • No classified bulletproof outer pane is required to produce the bullet-resistant glazing 100 , which significantly reduces the overall structure of the glass thickness and thus the weight and the costs of the entire glazing 100 .
  • This new application also eliminates the previous size limitation, for example due to the availability of polycarbonate plates for bulletproof glasses. Theoretically, sizes of at least 20 m x 3.5 m, for example, are now possible.
  • the cleaning of the glass surfaces is possible as with all glass surfaces.
  • scratching of the polycarbonate or the anti-shatter films does not have to be taken into account.
  • sun protection and heat protection coatings can be applied to any surface in the cavity 20 of the glazing 100 without any problems.
  • the ballistic block is also the structurally resilient outer pane of the insulating glass structure. This is particularly relevant when using insulating glass that is subject to correspondingly high loads (e.g. hurricane loads) or simply oversized.
  • high loads e.g. hurricane loads
  • simply oversized e.g.
  • FIG. 2 and FIG. 3 each show, schematically and in a cross-sectional view, further embodiments of the bulletproof glazing 100 according to the invention
  • FIG. 2 the glazing 100 according to the invention is designed with an outer armored glass pane as a ballistic block 10, the ballistic block 10 here having a total of four transparent panes 11, 12, 13 and 14, which are each connected to one another via an intermediate layer 19.
  • thermoforming 100 is provided in particular that it is convexly curved towards the outside.
  • FIG. 3 Schematically illustrated embodiment provided that the glazing 100 shown there is concave with respect to the outside. Otherwise the in FIG. 3 shown embodiment of the glazing 100 according to the invention in FIG. 2 embodiment shown.
  • the curved design of the glazing can be realized due to the special structure of the glazing.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Joining Of Glass To Other Materials (AREA)
EP21160397.2A 2021-03-03 2021-03-03 Bloc balistique pour un vitrage a l'épreuve des balles Pending EP4053491A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP21160397.2A EP4053491A1 (fr) 2021-03-03 2021-03-03 Bloc balistique pour un vitrage a l'épreuve des balles
US17/679,921 US11976902B2 (en) 2021-03-03 2022-02-24 Ballistic block for a bullet resistant glazing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21160397.2A EP4053491A1 (fr) 2021-03-03 2021-03-03 Bloc balistique pour un vitrage a l'épreuve des balles

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EP4053491A1 true EP4053491A1 (fr) 2022-09-07

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EP3593994A2 (fr) * 2018-06-20 2020-01-15 Haverkamp GmbH Dispositif de support à plat d'une vitre de verre courbée lors de la fabrication d'une vitre de verre composite courbée ainsi que vitre de verre composite
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US20200331237A1 (en) * 2019-04-19 2020-10-22 Cardinal Lg Company Bullet-resistent insulating glazing unit

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Publication number Priority date Publication date Assignee Title
DE2901951A1 (de) 1979-01-19 1980-07-24 Ver Glaswerke Gmbh Beschussfeste zweischalige isolierglasscheibe
DE20202223U1 (de) * 2002-02-13 2002-10-17 Agp Europ Gmbh Abplatzsichere Glaskonstruktion
EP3593994A2 (fr) * 2018-06-20 2020-01-15 Haverkamp GmbH Dispositif de support à plat d'une vitre de verre courbée lors de la fabrication d'une vitre de verre composite courbée ainsi que vitre de verre composite
EP3640409A1 (fr) * 2018-10-15 2020-04-22 René Bangratz Adaptateur de protection des bords
WO2020078969A1 (fr) * 2018-10-16 2020-04-23 sedak GmbH & Co. KG Vitrage pare-balles
US20200331237A1 (en) * 2019-04-19 2020-10-22 Cardinal Lg Company Bullet-resistent insulating glazing unit

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