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US20080092729A1 - Optically transmissive armor composite - Google Patents

Optically transmissive armor composite Download PDF

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Publication number
US20080092729A1
US20080092729A1 US11/295,016 US29501605A US2008092729A1 US 20080092729 A1 US20080092729 A1 US 20080092729A1 US 29501605 A US29501605 A US 29501605A US 2008092729 A1 US2008092729 A1 US 2008092729A1
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US
United States
Prior art keywords
layer
thickness
facing
kinetic
layers
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.)
Abandoned
Application number
US11/295,016
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English (en)
Inventor
Richard L. Cook
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.)
CCCIP LLC
Original Assignee
CCCIP LLC
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 CCCIP LLC filed Critical CCCIP LLC
Priority to US11/295,016 priority Critical patent/US20080092729A1/en
Assigned to CCCIP, LLC reassignment CCCIP, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: COOK, RICHARD L.
Publication of US20080092729A1 publication Critical patent/US20080092729A1/en
Priority to US12/464,400 priority patent/US20100126336A1/en
Abandoned legal-status Critical Current

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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
    • 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
    • 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
    • F41H5/0492—Layered armour containing hard elements, e.g. plates, spheres, rods, separated from each other, the elements being connected to a further flexible layer or being embedded in a plastics or an elastomer matrix

Definitions

  • the present invention generally provides improved systems, compositions and methods for substantially transparent/translucent, breakage-resistant composite structures; and more particularly, representative and exemplary embodiments of the present invention generally relate to bullet-resistant windows and/or ballistic laminate materials.
  • various exemplary embodiments of the present invention relate to ballistic glass and transparent armor useful in military and security vehicle applications.
  • Still other representative embodiments of the present invention relate to architectural and design elements for security purposes in hostile environments.
  • ‘bullet-proof glass’ sandwiches fabricated from glass are bonded together to form complex composites.
  • the resulting composites are generally transparent and substantially free of optical distortion, while maximizing the ballistic protection from penetrators.
  • the inner and outer layers of the composite will typically be subjected to shock, scratching, abrasion and adverse weather conditions—particularly when a transparent armor composite is used in military applications.
  • the various layers used in the composite may be chosen for their different projectile resistance characteristics and functions.
  • glass layers are hard and thus readily erode bullets and are highly abrasion resistant; however, glass layers are also brittle, which generally causes any glass layers opposite a penetration threat to spall, which in turn creates shrapnel fragments.
  • the shrapnel may produce numerous projectiles on the interior surface of the vehicle.
  • the resulting spall (or fragments) may in fact be more dangerous than the original penetrator.
  • Plastic material layers used as part of a composite sandwich provide a means to introduce flexibility into the transparent armor composite. The addition of one more plastic layers to the composite changes the failure mode of the transparent armor so it fails in a more ductile manner rather than spalling.
  • Acrylic-, polyurethane- and polycarbonate-based materials are among the plastic materials which have been shown to have utility in producing transparent armor composites.
  • polycarbonate One class of plastics that has proven both useful and reliable in constructing transparent armor composites and architectural bandit type barriers is polycarbonate.
  • Polycarbonate has demonstrated superior characteristics in terms of providing overall protection because it demonstrates the highest spread between brittleness transition temperature and heat distortion temperature. For this reason, polycarbonates are generally preferred materials in transparent armor composites.
  • polycarbonate and the other plastic materials are also soft and easily abraded by the action of dirt and dust.
  • polycarbonates are frequently adversely affected by solvents and cleaning solutions when used to remove dirt. Thus, the cleaning of surface dirt and grime will inevitably cause scratching. This causes the optical properties to be adversely effected. Scratching can cause the transparency of the armor composite to substantially degrade in under one year. The substantial degradation of transparency generally necessitates replacement of the composite. Since transparent armor composites are expensive, frequent replacement creates a substantial financial burden on maintenance budgets.
  • the present invention provides systems, devices and methods for providing bullet resistant windows (e.g., ballistic glass) utilizing thin laminate glazing over resilient polymer backing capable of sustaining multiple close proximity hits from a variety of munitions.
  • bullet resistant windows e.g., ballistic glass
  • thin laminate glazing over resilient polymer backing capable of sustaining multiple close proximity hits from a variety of munitions.
  • FIG. 1 representatively illustrates a three-quarter, isometric view of a substantially optically transmissive armor in accordance with an exemplary embodiment of the present invention
  • FIG. 2 representatively illustrates a three-quarter, isometric view of another substantially optically transmissive armor in accordance with an exemplary embodiment of the present invention
  • FIG. 3 representatively illustrates a three-quarter, isometric view of another substantially optically transmissive armor in accordance with an exemplary embodiment of the present invention
  • FIG. 4 representatively illustrates a three-quarter, isometric view of yet another substantially optically transmissive armor in accordance with an exemplary embodiment of the present invention
  • FIG. 5 representatively illustrates a three-quarter, isometric view of another substantially optically transmissive armor in accordance with an exemplary embodiment of the present invention.
  • FIG. 6 representatively illustrates a three-quarter, isometric view of still another substantially optically transmissive armor in accordance with an exemplary embodiment of the present invention.
  • Various embodiments of the present invention provide a tough kinetic backing layer with an overlying, relatively thin glass facing.
  • the glass facing being only of sufficient thickness to spoil the pointedness of the incoming projectile (e.g., 1 ⁇ 8′′) may be bonded to the kinetic layer with an elastic medium.
  • the present invention provides an improved optically transmissive armor.
  • the optically transmissive armor has a first layer 110 (e.g., a ‘facing layer’ presenting a surface of first contact to an incoming projectile), a second layer 100 (e.g., a ‘kinetic layer’ for depleting the projectile's energy), and an optional elastomeric layer at least partially disposed therebetween (e.g., a ‘bonding layer’ suitably configured for immobilizing facing layer 110 with respect to the disposition of kinetic layer 110 ).
  • a first layer 110 e.g., a ‘facing layer’ presenting a surface of first contact to an incoming projectile
  • a second layer 100 e.g., a ‘kinetic layer’ for depleting the projectile's energy
  • an optional elastomeric layer at least partially disposed therebetween e.g., a ‘bonding layer’ suitably configured for immobilizing facing layer 110 with respect to the disposition of kinetic layer 110 ).
  • the bonding layer may be composed of material having high elongation characteristics, or any other suitable material capable of mitigating temperature-rated expansion differentials associated with the kinetic layer 100 and the facing layer 110 . If the bonding layer does not have suitable elongation characteristics over a given temperature range, the bonding layer may become damaged should the first and second layers expand or contract.
  • the thickness ratio of the kinetic layer 100 (e.g., polymeric material) to the facing layer 110 (e.g., glass material) should be at least approximately unity. It will be appreciated, however, that various other thickness ratios may be alternatively, conjunctively or sequentially employed to achieve a substantially similar result. It will also be appreciated that different thickness ratios will produce different armor characteristics that are uniquely adapted for particular threats or operating environments.
  • the facing layer 110 may be comprised of a hard, glass-like material that operates to blunt or otherwise deform a bullet or projectile incident to its surface.
  • the facing material may be almost any composition, such as, for example: soda lime; crown; borosilicate; aluminum oxynitride; sapphire; etc. Any glass material, whether now known or otherwise hereafter described in the art, may be alternatively, conjunctively or sequentially employed in order to achieve a substantially similar result.
  • projectile may refer to any object that may strike the surface of a optically transmissive armor assembly. These may include projectiles used to attack the integrity of the optically transmissive armor such as ballistic items (bullets, shrapnel, thrown objects such as bricks, stones and other similar objects) and self-propelled items (such as RPGs, missiles, and other rocket-like objects). Projectiles may also include objects used to directly strike the surface of the optically transmissive armor, such as, for example: bricks, bats, metal objects, stones, wooden clubs, etc. Finally, projectiles may also include other objects that come into contact with the surface of the optically transmissive armor. For example, if the optically transmissive armor is used as part of a vehicle and that vehicle were to be involved in an accident, portions of other vehicles, the road, buildings or other objects may strike the surface of the optically transmissive armor.
  • projectiles used to attack the integrity of the optically transmissive armor such as ballistic items (bullets, shrapnel,
  • facing layer 110 has a preferable thickness of about 1 ⁇ 8′′ ( ⁇ approximately 50%).
  • the principle structure consists of a plurality of thick layers of glass—as conventional glass layers are primarily used as kinetic depletion layers rather than as facing and blunting layers, as representatively disclosed and claimed in the instant application.
  • the glass material generally serves to merely blunt or otherwise deform a projectile that is striking its surface, as opposed to depleting a substantial fraction of the kinetic energy of the projectile.
  • glass facing layers in accordance with the instant invention may be relatively thin compared to those of the conventional art.
  • a thinner layer of glass material is preferable because it significantly reduces the weight of the armor assembly without substantially decreasing penetration impedance, and simultaneously provides improved optical characteristics and retention of localized structural integrity after the armor assembly is struck by a projectile.
  • the present invention weighs considerably less than that of conventional transparent armor alternatives.
  • Optical clarity after a projectile strike i.e., hit proximity performance
  • the damaged area i.e., hit radius
  • glass loss also decreases.
  • the glass loss in a 1 ⁇ 8′′ facing is only about 1′′ diameter; however, with 1 ⁇ 4′′ glass, this area extends out to roughly 3′′ in diameter or greater. Accordingly, after a hit on a thinner layer of glass, less of the material's optical characteristics will have been compromised.
  • Second hit capability i.e., the ability of the optically transmissive armor assembly to stop a projectile that strikes its surface in close proximity to the location of a prior hit
  • Second hit capability is substantially improved due to the minimized glass loss that results from use of thinner layers of glass facing.
  • the glass loss area after a first hit is greatly weakened and will not provide much protection against a second hit. Accordingly, it is preferable to employ a thinner layer of glass material in the facing layer 110 , thereby minimizing the amount of glass loss.
  • present performance specifications for transparent armor generally can require successful stoppage in a close hit pattern.
  • the disconcerting issue is that realistic threats are likely to greatly exceed the specification requirement.
  • the present invention operates to overcome many problems associated with the conventional art by providing a hit (and stoppage) capability in as low as 3 ⁇ 4′′ spacing in all directions.
  • the kinetic layer 100 of the optically transmissive armor generally comprises a tough, semi-rigid material having a high cut and puncture resistance capable of catching the blunted projectile by depleting its kinetic energy.
  • a single casting of a clean, hard urethane polymer is an exemplary material that may be employed in accordance with various embodiments of the present invention.
  • Hard urethane has demonstrated ease of casting and superb close hit capability.
  • Other materials having similar characteristics e.g., polycarbonate and acrylic, whether now known or otherwise hereafter described in the art, may be alternatively, conjunctively or sequentially employed to achieve a substantially similar result.
  • interspersed kinetic layers 200 , 220 , 240 may comprise 1 ⁇ 4′′ polycarbonate optionally interleaved with relatively thin layers of urethane 210 , 230 .
  • significant benefit may be derived from an optically transmissive armor substantially comprising polymer and elastomeric layers having various other thickness dimensions in combination with a relatively thin, hard facing layer 250 .
  • the layers' dimensions may be altered by up to approximately ⁇ 50% and still provide significant performance improvement over the conventional art.
  • the ratio of the facing:kinetic thickness dimensions may be significantly, which may be alternatively, conjunctively or sequentially employed to achieve a substantial benefit over the conventional art. It will also be appreciated that different thickness ratios will produce different armor characteristics that are uniquely adapted for particular threats or operating environments.
  • the facing may comprise more than one sheet of material 310 , 320 , 330 overlying a relatively thicker kinetic layer 300 .
  • Suitable configurations of the facing may comprise two sheets of glass material 310 , 320 ; or the facing may comprise more than two sheets of glass material 310 , 320 , 330 .
  • specific dimensions for the facing material have been provided vide supra, significant benefit may be derived from the use of other dimensions as well.
  • the thicknesses of glass facing material may be significantly altered and still provide substantial benefit over the conventional art.
  • a first layer 410 may be substantially articulated. Facing layer 410 may be articulated with a plurality of tile elements 420 .
  • Tile elements 420 may comprise different shapes, including, for example: discrete tiles (as generally depicted in FIG. 4 ); spheres; polyhedra; cylinders; and/or regular solids. Marbles (e.g., spheres) have been demonstrated as an efficient tile element material (with net area density calculated in the range of 10-12 lbs/ft 2 ); however, even plate glass (1 ⁇ 4′′ to 1 ⁇ 2′′ thick) mosaics have demonstrated themselves to be quite efficient with densities in the 14 lbs/ft 2 range.
  • Various tiles 420 may be coupled together with any suitable polymer matrix; however, in some applications, an important consideration may involve matching the indices of refraction of the optically transmissive tile elements 420 with that of the polymer matrix to eliminate or otherwise reduce optical distortions.
  • An exemplary glass/polymer composite embodiment comprises borosilicate glass (having a refractive index of about 1.48) and a low modulus, low temperature curing urethane.
  • the index of refraction match can be nearly perfect (within a given temperature range). This limit of temperature range may preclude the use of sphere tile elements, but flat mosaics may be useful under similar conditions.
  • substantial benefit may be derived from an optically transmissive armor where the indices of refraction are dissimilar. For example, even with mismatched indices of refraction, optically transmissive armor would still function well under a variety of conditions in diverse operating environments.
  • the facing may comprise more than one layer of substantially articulated glass material 510 , 530 , 540 .
  • the articulation may be accomplished via a plurality of tile elements 520 .
  • Tile elements 520 may comprise different shapes, including, for example: discrete tiles (as generally depicted in FIG. 5 ); spheres; polyhedra; cylinders; and/or regular solids.
  • boundaries 525 of tile elements 520 in the sheets of glass facing 540 , 530 , 510 may be suitably configured so as not to substantially overlap.
  • Such a configuration may find particular utility in specific applications where the boundaries 525 of tiles 520 are generally less able to blunt or deform a projectile than the normal substantially unitary surface of tiles 520 themselves. Accordingly, should a projectile strike a boundary 525 of a tile 520 , the projectile may not be sufficiently blunted such that the kinetic layer 500 can effectively stop or otherwise impede the projectile. By offsetting overlap of boundaries 525 , it will be unlikely that a projectile could have sufficient kinetic energy and angle-of-attack to pass through a substantial linear distance of kinetic material having first squarely struck any given boundary 525 of facing tiles 520 .
  • Substantial benefit may be derived for configurations of the facing layer(s) where some sheets of facing material are substantially articulated and others are not.
  • the first layer of facing material 540 presented to a projectile may not be articulated, but the other sheets of facing material may be articulated—thereby minimizing glass loss within those layers, as well as reducing construction complexity and fabrication costs.
  • the facing may comprise more than one layer of glass material 610 , 620 , 630 .
  • Overlying facing layer 630 may be substantially contiguous, so as to prevent or otherwise impede dirt and/or other materials from lodging in the interstitial regions between the tile elements of articulated layers 610 , 620 .
  • Tile elements may comprise different shapes, including, for example: discrete tiles/blocks (as generally depicted in FIG. 6 ); spheres; polyhedra; cylinders; and/or regular solids.
  • the boundary edges between the tile elements in the articulated sheets of glass facing 610 , 620 may be suitably configured so as to substantially overlap. Such a configuration may find particular utility in specific applications where optically clarity is to be maximized—especially where the indices of refraction between the tile elements (as well as between overlying and underlying layers) can be well-matched.
  • Optically transmissive armor composite assemblies in accordance with various embodiments disclosed herein, may be constructed using vacuum and autoclave processes of laminate stack-ups.
  • the stacks may comprise a combination of multi-layered thick glass, polymeric inner-layers and polymeric backing.
  • the composite laminate assembly may then be heated and cooled under pressure.
  • Various other embodiments of the present invention may also be cast with conventional equipment.
  • any method or process claim may be executed in any order and are not limited to the specific order presented in the claims.
  • the components and/or elements recited in any apparatus embodiment may be assembled or otherwise operationally configured in a variety of permutations to produce substantially the same result as the present invention and are accordingly not limited to the specific configuration recited in the claims.
  • the terms “comprising”, “having”, “including” or any variation thereof, are intended to reference a non-exclusive inclusion, such that a process, method, article, composition or apparatus that comprises a list of elements does not include only those elements recited, but may also include other elements not expressly listed or inherent to such process, method, article, composition or apparatus.
  • Other combinations and/or modifications of the above-described structures, arrangements, applications, proportions, elements, materials or components used in the practice of the present invention, in addition to those not specifically recited, may be varied or otherwise particularly adapted to specific environments, manufacturing specifications, design parameters or other operating requirements without departing from the general principles of the same.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Joining Of Glass To Other Materials (AREA)
US11/295,016 2004-12-03 2005-12-05 Optically transmissive armor composite Abandoned US20080092729A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US11/295,016 US20080092729A1 (en) 2004-12-03 2005-12-05 Optically transmissive armor composite
US12/464,400 US20100126336A1 (en) 2004-12-03 2009-05-12 Optically transmissive armor composite and method of manufacture

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63336504P 2004-12-03 2004-12-03
US11/295,016 US20080092729A1 (en) 2004-12-03 2005-12-05 Optically transmissive armor composite

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US12/464,400 Continuation-In-Part US20100126336A1 (en) 2004-12-03 2009-05-12 Optically transmissive armor composite and method of manufacture

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US20080092729A1 true US20080092729A1 (en) 2008-04-24

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US (1) US20080092729A1 (fr)
EP (1) EP1828705A4 (fr)
JP (1) JP2008522874A (fr)
KR (1) KR20070107678A (fr)
CA (1) CA2592452A1 (fr)
IL (1) IL183482A0 (fr)
WO (1) WO2007058665A2 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090217813A1 (en) * 2007-03-21 2009-09-03 John Carberry Glass-Ceramic with laminates
US20090258974A1 (en) * 2008-02-06 2009-10-15 Edwin Slagel Optically transmissive resilient polymers and methods of manufacture
US20090320675A1 (en) * 2007-04-23 2009-12-31 Landingham Richard L Mosaic Transparent Armor
US20100257997A1 (en) * 2009-04-10 2010-10-14 NOVA Research, Inc Armor Plate
US20110088541A1 (en) * 2009-10-20 2011-04-21 Linda Ruth Pinckney Transparent armour having improved ballistic properties
US20110203452A1 (en) * 2010-02-19 2011-08-25 Nova Research, Inc. Armor plate
US8176829B1 (en) 2007-03-21 2012-05-15 Schott Corporation Armor system and method of manufacture
US8603616B1 (en) 2007-09-27 2013-12-10 Schott Corporation Lightweight transparent armor window
US8695476B2 (en) 2011-03-14 2014-04-15 The United States Of America, As Represented By The Secretary Of The Navy Armor plate with shock wave absorbing properties
EP2296877B1 (fr) * 2008-06-12 2019-02-20 Saint-Gobain Glass France Vitrage a resistance aux balles augmentee
WO2019038720A1 (fr) 2017-08-23 2019-02-28 Agp America S.A. Blindage multi-coup transparent
US20190178611A1 (en) * 2017-09-17 2019-06-13 Kris McKenna Transparent Projectile-Proof Panels, Devices and Methods
US20200025527A1 (en) * 2017-09-17 2020-01-23 Tardigrade Industries Transparent Projectile Proof Panels, Devices and Methods
WO2020055457A1 (fr) * 2018-09-10 2020-03-19 Mckenna Kris Dispositifs, procédés et panneaux transparents résistant aux projectiles

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
US7348076B2 (en) 2004-04-08 2008-03-25 Saint-Gobain Ceramics & Plastics, Inc. Single crystals and methods for fabricating same
EP2275772A1 (fr) * 2005-06-10 2011-01-19 Saint-Gobain Ceramics and Plastics, Inc. Composite céramique transparent
DE102010042812B3 (de) * 2010-10-22 2012-04-05 Schott Ag Verfahren zur Herstellung einer Schutzvorrichtung
EP2589483B1 (fr) * 2011-11-02 2014-07-09 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Composite multi-couches résistant aux chocs et aux impacts ainsi que méthode pour sa fabrication
US11047650B2 (en) 2017-09-29 2021-06-29 Saint-Gobain Ceramics & Plastics, Inc. Transparent composite having a laminated structure

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US2319534A (en) * 1939-09-25 1943-05-18 John C Crowley Laminated glass and method of making same
US3324768A (en) * 1950-05-22 1967-06-13 Robert J Eichelberger Panels for protection of armor against shaped charges
US4321777A (en) * 1979-01-23 1982-03-30 Brink's France S.A. Composite pane having a high resistance to impacts
US4812359A (en) * 1984-04-04 1989-03-14 Pilkington Brothers P.L.C. Impact-resistant laminate
US5462805A (en) * 1992-07-30 1995-10-31 Nippon Electric Glass Co., Ltd. Fire-protection and safety glass panel
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US6818268B2 (en) * 2002-04-03 2004-11-16 The United States Of America As Represented By The Secretary Of The Army Transparent armor structure

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090217813A1 (en) * 2007-03-21 2009-09-03 John Carberry Glass-Ceramic with laminates
US8176829B1 (en) 2007-03-21 2012-05-15 Schott Corporation Armor system and method of manufacture
US8176828B2 (en) 2007-03-21 2012-05-15 Schott Corporation Glass-ceramic with laminates
US8544376B2 (en) 2007-03-21 2013-10-01 Schott Corporation Glass-ceramic with laminates
US20090320675A1 (en) * 2007-04-23 2009-12-31 Landingham Richard L Mosaic Transparent Armor
US8603616B1 (en) 2007-09-27 2013-12-10 Schott Corporation Lightweight transparent armor window
US20090258974A1 (en) * 2008-02-06 2009-10-15 Edwin Slagel Optically transmissive resilient polymers and methods of manufacture
EP2296877B1 (fr) * 2008-06-12 2019-02-20 Saint-Gobain Glass France Vitrage a resistance aux balles augmentee
WO2010080699A1 (fr) * 2009-01-07 2010-07-15 Schott Diamondview Armor Products, Llc Système de blindage transparent et procédé de fabrication
US20100257997A1 (en) * 2009-04-10 2010-10-14 NOVA Research, Inc Armor Plate
US8176831B2 (en) 2009-04-10 2012-05-15 Nova Research, Inc. Armor plate
US20110088541A1 (en) * 2009-10-20 2011-04-21 Linda Ruth Pinckney Transparent armour having improved ballistic properties
US20110203452A1 (en) * 2010-02-19 2011-08-25 Nova Research, Inc. Armor plate
US8695476B2 (en) 2011-03-14 2014-04-15 The United States Of America, As Represented By The Secretary Of The Navy Armor plate with shock wave absorbing properties
WO2019038720A1 (fr) 2017-08-23 2019-02-28 Agp America S.A. Blindage multi-coup transparent
US20190178611A1 (en) * 2017-09-17 2019-06-13 Kris McKenna Transparent Projectile-Proof Panels, Devices and Methods
US20200025527A1 (en) * 2017-09-17 2020-01-23 Tardigrade Industries Transparent Projectile Proof Panels, Devices and Methods
US10690451B2 (en) * 2017-09-17 2020-06-23 Kris McKenna Transparent projectile-proof panes, devices and methods
US11788820B2 (en) * 2017-09-17 2023-10-17 Kris McKenna Transparent projectile-proof panels, devices and methods
WO2020055457A1 (fr) * 2018-09-10 2020-03-19 Mckenna Kris Dispositifs, procédés et panneaux transparents résistant aux projectiles

Also Published As

Publication number Publication date
WO2007058665A3 (fr) 2007-11-15
EP1828705A2 (fr) 2007-09-05
IL183482A0 (en) 2007-09-20
EP1828705A4 (fr) 2009-11-11
JP2008522874A (ja) 2008-07-03
WO2007058665A2 (fr) 2007-05-24
CA2592452A1 (fr) 2007-05-24
KR20070107678A (ko) 2007-11-07

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