DE2125693A1 - Bullet proof armour glass - Google Patents

Bullet proof armour glass

Info

Publication number
DE2125693A1
DE2125693A1 DE19712125693 DE2125693A DE2125693A1 DE 2125693 A1 DE2125693 A1 DE 2125693A1 DE 19712125693 DE19712125693 DE 19712125693 DE 2125693 A DE2125693 A DE 2125693A DE 2125693 A1 DE2125693 A1 DE 2125693A1
Authority
DE
Germany
Prior art keywords
glass
laminated glass
panes
pane
total thickness
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
DE19712125693
Other languages
German (de)
Inventor
Auf Nichtnennung Antrag
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.)
F BERATUNG PATENT U URHEBERREC
Original Assignee
F BERATUNG PATENT U URHEBERREC
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Publication date
Application filed by F BERATUNG PATENT U URHEBERREC filed Critical F BERATUNG PATENT U URHEBERREC
Publication of DE2125693A1 publication Critical patent/DE2125693A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B32B17/10045—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets with at least one intermediate layer consisting of a glass sheet
    • B32B17/10055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets with at least one intermediate layer consisting of a glass sheet with at least one intermediate air space
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B32B17/10045—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets with at least one intermediate layer consisting of a glass sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10743—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing acrylate (co)polymers or salts thereof
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/54—Slab-like translucent elements
    • 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
    • E06B5/12—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 against air pressure, explosion, or gas
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

Armour glass, proof against shots fired from modern firearms, consists of at least three laminated discs separated by air gaps, at least one of the discs comprising a laminate of three layers with a minimum total thickness of 10mm. The glass is pref. of silicate glass, and an organic glass with expansion coefficient similar to that of the silicate glass.

Description

P A N Z E R G L A S Seit vielen Jahrzehnten ist man bernuht, glasklar durchsichtige Scheiben, beziehungsweise Schutzschichten zu schaffen, die in der Lage sind, stärkeren Schlägen einen solchen Widerstand entgegenzusetzen, daß di. Scheiben nicht durchgeschlagen werden, Ja daß nicht einmal einzelne Splitter in den zu schützenden Raum hinter der jeweiligen Scheibe, beziehungsweise Schutzschichte springen. P A N Z E R G L A S We have been paused for many decades, crystal clear to create transparent panes or protective layers in the Are able to offer such resistance to stronger blows that di. Slices are not knocked through, yes that not even individual splinters in the space to be protected behind the respective pane or protective layer leap.

Man hat dazu bereits vorgeschlagen, Glasscheiben verschiedener Eigenschaften, insbesondere verschiedener Härte, mit Hilfe glasklarer Kitte, z.B. in Form von Folien, miteinander zu Verbund- bezw. Sandwichkonstruktionen zu verbinden. Dabei waren die besonders in den letzten Jahren entwickelten glasklaren, und auf Glas relativ gut haftenden Kunstharzkitte, wie s.B. auf Akryl- oder Butylbasis sehr förderlich.It has already been proposed to use glass panes of different properties, especially different hardnesses, with the help of crystal clear putty, e.g. in the form of foils, with each other to composite or. To connect sandwich structures. They were there especially in recent years they have developed crystal clear, and on glass relatively well adhesive synthetic resin cement, such as s.B. Acrylic or butyl based very beneficial.

Dabei hatte man sehr bald festgestellt, daß eine Nindeststärke von 30 mm Er ein solches Verbundglas gegeben war, wenn es einen einigermaßen befriedigenden Schutz geben sollte. Solche Verbundgläser werden jedoch unverhältnismäßig teuer. Geht man zum Beispiel von einem noch relativ billigen 4-5 mm starken Plaohglas aus, dann müssen sechs bis acht Schichten miteinander verbunden werden. Nicht nur verursacht jede solche Haftschichte an sich bestimmte Kosten, sondern es steigt mit steigender Zahl solcher Haftschichten auch der ausschuß in der Produktion, was die Kosten weiter verteuert.It was soon found that a minimum thickness of 30 mm He was given such a laminated glass if it was a reasonably satisfactory one Should give protection. However, such laminated glasses are disproportionately expensive. Assuming, for example, a relatively cheap 4-5 mm thick Plaoh glass, then six to eight layers have to be joined together. Not just caused Each such adhesive layer has a certain cost in itself, but it increases with increasing The number of such adhesive layers also rejects production, which further increases the cost expensive.

Man hat daher auch vorgeschlagen, stärkere Glasscheiben miteinander zu binden, um die Zahl der Haftschichten zu verringern. Als besonders zweckmäßig hat sich eine Kombination erwiesen,- bei der von der Seite des zu erwartenden Schuß es nach rückwärts zu des zu schützenden Raum Scheiben abnehmender Stärke, z.B. von 10, 8, 6 und 5 mm> vorgesehen besw. miteinander verkettet tid. Allerdings hebt diese nur drei Kittichichten erfordernde Kombination den, Preisvorteil dadurch wieder auf, daß eine 10, bezw.It has therefore also been proposed that thicker panes of glass be joined together to bind to reduce the number of adhesive layers. As particularly useful A combination has been found - in the case of the expected shot from the side it backwards to the space to be protected slices of decreasing thickness, e.g. from 10, 8, 6 and 5 mm> provided esp. chained together tid. However, it lifts this combination, which only requires three layers of putty, brings the price advantage back to life on that a 10, respectively.

8 mm starke Glasscheibe aus teuerem-Naterial gefertigt sein muß als eine dünnere, sodaß eine 10 mm dicke Scheibe teurer zu stehen kommt, als zwei 5 mm starke Scheiben.8 mm thick glass must be made of expensive material than a thinner one, so that a 10 mm thick disk is more expensive than two 5 mm thick discs.

Zur Befriedigung besonders hoher Ansprüche sind jedoch solche immer noch einfachen Lösungen nicht mehr ausreichend. Mit dem steigenden Sicherheitsbedürfnis gegenüber der zunehmenden von Geschossen aus Faustfeuerwafion steigen auch die Anforderungen.However, these are always required to satisfy particularly high demands simple solutions are no longer sufficient. With the increasing need for security compared to the increasing number of projectiles from handgun guns, the requirements are also increasing.

Verbundecheiben wurden auch bereits mit einer an den Luftzwischenraum angrenzenden Scheibe aus organischem Glas, s.B. Methylmetakryatglas, gefertigt, die sehr gut brinsvernichtend wirkt, aber, insbesondere bei Sonneneinstrahlung und dadurch eintretenden höheren Temperaturen, leider einem gewissen kalten Fluß unterliegt und sich durchbiegt.Composite panes have also already been fitted with an air gap adjacent pane of organic glass, see B. Methyl metacryate glass, manufactured, which has a very good brin-destroying effect, however, especially when exposed to sunlight and the resulting higher temperatures, unfortunately subject to a certain cold flow and sags.

Wie aus den späteren Beispielen ersichtlich, sind alle solche Sandwichkonstruktionen außerdem nicht ausreichend in der Lage, Geschossen aus modernen Faustfeuerwaffen standzuhalten. Militärische Anlagen, Wohn- und Arbeitsräume, sowie Fahrzeuge bedeutender Persönlichkeiten, Kassenräume von Banken und dergleichen erfordern in steigendem Maße besseren Schutz. Der Erfindung liegt daher die Aufgabe zugrunde, ein Panzerglas zu schaffen, das insbesondere gegen Geschosse aus modernen Faustfeuerwaffen bis zu einem Kaliber von 9 mm, teilweise auch darüber, widerstandsfähig ist.As can be seen from the examples below, they are all sandwich constructions In addition, they are not sufficiently capable of firing projectiles from modern handguns to withstand. Military facilities, living and working rooms, and vehicles are more important Personalities, bank tills and the like require in increasing Measures better protection. The invention is therefore based on the object of armored glass to create, in particular against projectiles from modern handguns up to to a caliber of 9 mm, sometimes even more, is resistant.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß das Panzerglas aus wenigstens drei voneinander durch mindestens zwei luftgefüllte Zwischenräume getrennten Verbundglasscheiben besteht, wobei wenigstens eine Scheibe aus einem dreischichtigen Verbundglas besteht, Vorzugsweise weist diese Verbundglasscheibe eine Gesamtstärke von 12-15 mm oder daruber auf. Nach einem weiteren Erfindungsmerkmal muß diese Gesamtstärke mindestens 10 mm betragen. Ein aus drei Schichten bestehendes Verbundglas erfordert nur zwei Kittschichten. Es ist außerdem'edeutend gunstiger und an weniger Ausschußverluste gebunden, zwei dreischichtige Verbundgläser mit demnach je zwei Iitt-(Haft-)schichten zu fertigen, als ein fünfschichtiges Verbundglas mit zusammen ebenfalls vier Kittschichten. This object is achieved according to the invention in that the bulletproof glass from at least three from each other by at least two air-filled spaces consists of separate laminated glass panes, with at least one pane of one consists of three-layer laminated glass, this laminated glass pane preferably has a total thickness of 12-15 mm or more. According to another feature of the invention this total thickness must be at least 10 mm. One consisting of three layers Laminated glass only requires two layers of cement. It's also significantly cheaper and tied to fewer reject losses, two three-layer laminated glasses with accordingly to produce two Iitt (adhesive) layers each as a five-layer laminated glass with a total of four layers of cement.

Schläge, insbesondere Geschoß einschläge, werden beim erfindungsgemaßen Panzerglas vorzugsweise'bereits von der äußersten, gegebenenfalls von der mittleren Scheibe aufgefangen und lassen daher die hinterste Scheibe nicht zum Splittern nach hinten kommen oder lassen sie gänzlich unberührt. Impacts, in particular projectile impacts, are used in the invention Armored glass preferably already from the outermost, possibly from the middle Disc caught and therefore do not allow the rearmost disc to splinter come behind or leave them completely untouched.

Das Merkmal einer bevorzugten Weiterbildung der vorliegenden Erfindung ist dadurch gegeben, daß zwei dreischichtige Verbundglasscheiben mit einer Gesamtstärke von je etwa 12-15 mm mit einer zweischichtigen Verbundglasscheibe mit einer Gesamtstärke von etwa 8-10 mm kombiniert sind, während die beiden Luftzwischenräume je etwa 3 bis etwa 8 mm, vorzugsweise etwa 5 mm betragen. Vorteilhaft ist ferner nach der Erfindung, daß die mittlere der drei Verbundglasscheiben zweischichtig austebildet ist. The feature of a preferred development of the present invention is given by the fact that two three-layer laminated glass panes with a total thickness of about 12-15 mm each with a two-layer laminated glass pane with a total thickness of about 8-10 mm are combined, while the two air spaces are each about 3 to about 8 mm, preferably about 5 mm. Is also advantageous after the Invention that the middle of the three laminated glass panes forms two layers is.

Die äußere Scheibe ist vorzugsweise dreischichtig, damit der erste, besonders starke ü'irall, ezw. Schlagdruck so weitgehend als möglich verrindert wird. Die mittlere Scheibe ist vorzugsweise nur zweischichtig, damit der schon reduzierte Druck elastischer aufgefangen werden kann. Die hintere Scheibe ist vorzugsweise wieder dreischichtig, damit noch verbleibende Brisanzreste mit absoluter Sicherheit aufgefangen werden und ein Splittern nach hinten in den zu schützenden Raum vermieden werden kann.The outer pane is preferably three-ply so that the first, particularly strong ü'irall, ezw. Impact pressure reduced as much as possible will. The middle pane is preferably only two-layered so that the already reduced one Pressure can be absorbed more elastically. The rear disc is preferred again in three shifts, so any remaining explosive residues with absolute certainty are caught and splintering backwards into the space to be protected is avoided can be.

Magnum-Geschosse gehen meistens auch beim Beschrieben des erfindungsgemäßen Panzerglases bis zur dritten Scheibe durch. Trotzdem ist gerade die brisanzvernindernde wirkung dieses Panzerglases optimal, da sich die vordere (äußere) und die mittlere Scheibe in den jeweiligen Luftzwischenraum elastisch durchbiegen. Bin harter Widerstand hingegen wurde die Brisanz am wenigsten verringern. Daher ist es zweckniäßig, insbesondere für die mittlere Scheibe, kein gehärtetes Glas zu verwenden, Interessanterweise hat es sich gezeigt, daß unter Sinbeziehung der Luftzwischenräume bei gleichbleibender Stärke des gesamten Panzerglases mit g-eringerem -Gewicht und daher unter kostenersparnis ein besserer Schutzeffekt erzielt werden kann,-als mit einem Mehrschicht-Verbundglas der gesamten Stärke oder mit gegebenenfalls nur einem Zwischenraum.Magnum bullets mostly go when describing the invention Armored glass through to the third pane. Nevertheless, it is precisely the one that reduces the explosiveness The effect of this bulletproof glass is optimal, as the front (outer) and middle Bend the pane elastically into the respective air gap. I am tough resistance on the other hand, the explosiveness was reduced the least. Therefore, it is useful, in particular not to use tempered glass for the middle pane, interestingly enough it has been shown that with a constant relationship between the air spaces Thickness of the entire bulletproof glass with a lower weight and therefore lower cost savings a better protective effect can be achieved than with a multilayer laminated glass the entire thickness or with only one space in between.

Weitere Ausführungsformen der Erfindung können aus den Beispielen- entnommen' werden.Further embodiments of the invention can be derived from the examples removed '.

Die untersuchten Panze'rgläser wurden in einer Größe von-400 x 400 mm in einen Rahmen eingespannt und von einem hinter einem Panzerschirm befindlichen Schützen aus drei, rieter Entfernung im rechten Winkel beschossen. Dabei wird erfahrungsgemäß die größte Wirkung erzielt. Die Notwendigkeit zum Schießen hinter einem Panzerschutzschild ergab sich aus der empirischen Tatsache, daß die Projektils beim Aufschlagen auf die Panzergläser in mehr oder weniger größere und kleinere Teile zerlegt und derart mit hoher Geschwindigkeit reflektiert werden.The examined panze'r glasses were in a size of -400 x 400 mm clamped in a frame and one located behind an armored screen Shooters fired at right angles from three or more distances. It will according to experience made the greatest impact. The need to shoot behind an armored shield resulted from the empirical fact that the projectile on impact the bulletproof glass dismantled into more or less larger and smaller parts and such be reflected at high speed.

Beispiel 1: Ein fünfschichtiges handelsübliches Spezial-Panzerglas der Gesaintstärke 33 mm wurde in der angegebenen Weise mit einer Pistolenpatrone, Kaliber 9 mm Parabellum beschossen.Example 1: A five-layer commercially available special bulletproof glass the total thickness of 33 mm was in the specified manner with a pistol cartridge, 9 mm caliber Parabellum shot at.

Die Auftreffenergies betrug 65,28 mkp. Die Scheibe wie.-durchgehende, sternförmige Sprünge auf, war an der RUckseite im Bereich der Einschußstelle in einem Ausmaß von 50 mm durchgebrochen und daher ungeeignet.The impact energy was 65.28 mkp. The disc like.-continuous, star-shaped cracks, was on the back in the area of the bullet point broken to an extent of 50 mm and therefore unsuitable.

Beispiel 2: Ein erfindungsgemäßes Panzerglas ist anhand der Zeichnung beispielhaft näher erläutert. Es bezeichnen 1, 2 und 3, drei etwa 4-5 mm starke Scheiben aus Silikatglas, die mit einem Akrylharz-Kitt 4 glasklar miteinander verbunden sind.Example 2: A bulletproof glass according to the invention is based on the drawing explained in more detail by way of example. It denotes 1, 2 and 3, three about 4-5 mm thick Panes made of silicate glass, which are connected to each other with an acrylic resin putty 4 so that they are crystal clear are.

5 ist ein Luftzwischenraum von 4 -7 mm, 6 ein solcher von 3 - 5 mm. 7 und 8 sind wiederum zwei 4 bis 5 mm starke Silikatglasscheiben, 9, 10 und 11 solche von 3 bis 4 a, wobei 7 und 8 einerseits, 9, 10 und 11 andererseits Mit Akrylharzkitt 4 untrennbar verbunden sind. Die Seite 1 wurde in der angegebenen Weiße mit einem in Beispiel 1 erwähnten Parabollum-Geschoß beschossen. Die Spring. gingen nur bis zur 1. Hälfte des Panzerglases, im Luftschacht wurde Glasstaub gefunden. An der Einschußstelle ergab sich ein etwa 9 mm tiefes Loch. Hinter der Mitte konnten Beschädigungen nicht mehr festgestellt werden.5 is an air gap of 4-7 mm, 6 is an air gap of 3-5 mm. 7 and 8 are again two 4 to 5 mm thick silicate glass panes, 9, 10 and 11 such from 3 to 4 a, with 7 and 8 on the one hand, 9, 10 and 11 on the other hand With acrylic resin putty 4 are inextricably linked. The side 1 was in the specified whiteness with a shot at the Parabollum bullet mentioned in Example 1. The Spring. only went up to the 1st half of the armored glass, glass dust was found in the air shaft. At the The point of the bullet resulted in a hole about 9 mm deep. Damage could occur behind the middle can no longer be determined.

Beispiel 3: Eine marktübliche vierschichte Panzerscheibe mit einem Luftzwischenraum und der Gesamtstärke 27 mm wurde von dem in Beispiel 1 verwendeten Geschoß glatt durchgeschossen.Example 3: A commercially available four-layer armored washer with a Air gap and a total thickness of 27 mm was different from that used in Example 1 Bullet shot through smoothly.

Die Erfindung ist nicht auf das genannte Beispiel beschränkt, sondern erstreckt sich, wenn ein Schutz gegen noch stärkere Geschosse erzielt werden soll, auch auf Panzergläser aus vier oder-noch mehr Verbundglas,scheiben und, auf Panzer gläser mit solchen Verbundglas Scheiben, die in beliebiger Reihenfolge zwei-, drei- oder noch mehrschichtig ausgebildet sind.The invention is not limited to the example mentioned, but rather extends if protection against even stronger projectiles is to be achieved, also on bulletproof glass made of four or more laminated glass, panes and, on armor glasses with such laminated glass panes, which in any order two-, three- or are formed in several layers.

Dem Problem des kalten Flusses und der Durchbiegung von Scheiben aus organischem Glas kann auch dadurch begcgnot werden, daß wenigstens eine der mehrschichtigen Verbundglasscheiben eine oder mehrere Einzelscheibe (n) aus gewöhnlichem Silikatglas, sowie wenigstens eine Einzelscheibe aus organischem Glas enthalten, deren Ausdehnungskoeffizient demjenigen des Silikatglases ähnlich ist.The problem of cold flow and deflection of panes Organic glass can also be avoided by having at least one of the multilayered Laminated glass panes one or more individual panes made of ordinary silicate glass, and contain at least one single pane of organic glass, the coefficient of expansion is similar to that of silicate glass.

Claims (6)

W A T E TJ T A N S P R Ü C H, EW A T E TJ T A N S P R Ü C H, E 1) Panzerglas, dadurch gekennzeichnet, daß es aus"wenigstens drei voneinander durch mindestens zwei luftgefüllte Zwischenräume getrennten Verbundglasscheiben (1 bis 3, 7 und 8, 9 bis 11) besteht, wobei wenigstens eine Verbundglasscheibe aus einem dreischichtigen Verbundglas besteht.1) bulletproof glass, characterized in that it consists of "at least three Laminated glass panes separated from one another by at least two air-filled spaces (1 to 3, 7 and 8, 9 to 11) consists of at least one laminated glass pane consists of a three-layer laminated glass. 2) Panzerglas nach Anspruch 1, dadurch gekennzeichnet, daß -eine dreischichtige Verbundglasscheibe eine Gesamt stärke von vorzugsweise 12-15 mm aufweist. -2) armored glass according to claim 1, characterized in that -a three-layer Laminated glass has a total thickness of preferably 12-15 mm. - 3) Panzerglas nach Anspruch 1, dadurch gekennzeichnet, daß eine dreischichtige Verbundglasscheibe eine Gesamt stärke von mindestens 10 mm aufweist, 3) bulletproof glass according to claim 1, characterized in that a three-layer laminated glass pane has a total thickness of at least 10 mm, 4) Panzerglae nach einem der anspruche 1 bis 3, dadurch gekennz-eichnet, daß zwei dreischichtige Verbundglasscheiben mit einer Gesantstärke von je 12-15 mm mit einer zweischichtigen Verbundglasscheibse kombiniert sind, wobei die beiden Luftzwischenräume je 3-8 mm betragen.4) armored glass according to one of the claims 1 to 3, characterized in that two three-layer laminated glass panes with a total thickness of 12-15 mm each with a two-layer laminated glass pane are combined, whereby the two air spaces are each 3-8 mm. 5) Panzerglas nach einem der AnsprUche 1 bis 4, dadurch gekennzeichnet, daß die mittlere (7,8) der drei Verbundglasscheiben zweischichtig ausgebildet ist.5) bulletproof glass according to one of claims 1 to 4, characterized in that that the middle (7,8) of the three laminated glass panes has two layers. 6) Panzerglas nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß wenigstens eine der mehrschichtigen Verbundglasscheiben eine oder mehrere Einzelscheibe(n) aus gewöhnlichem Silikatglas sowie wenigstens eine Einzelscheibe aus organischem Glas enthält, deren Xusdehnungskoeffizient demjenigen des Silikatglases ähnlich ist.6) bulletproof glass according to one of claims 1 to 5, characterized in that that at least one of the multilayer laminated glass panes has one or more individual panes made of ordinary silicate glass and at least one single pane made of organic Contains glass whose coefficient of expansion is similar to that of silicate glass is. L e e r s e i t eL e r s e i t e
DE19712125693 1970-05-26 1971-05-24 Bullet proof armour glass Pending DE2125693A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH781070A CH504610A (en) 1970-05-26 1970-05-26 Bulletproof glass

Publications (1)

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DE2125693A1 true DE2125693A1 (en) 1971-12-02

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Application Number Title Priority Date Filing Date
DE19712125693 Pending DE2125693A1 (en) 1970-05-26 1971-05-24 Bullet proof armour glass

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AT (1) AT311580B (en)
CH (1) CH504610A (en)
DE (1) DE2125693A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK154772B (en) * 1975-05-31 1988-12-19 Bfg Glassgroup SHOOTING DOUBLE GLASS WINDOW
EP2110238A1 (en) 2008-04-17 2009-10-21 Sälzer Sicherheitstechnik GmbH Blast effect-limiting glazing structure

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3045833A1 (en) * 1980-12-05 1982-07-08 Vereinigte Glaswerke Gmbh, 5100 Aachen BLAST-RESISTANT GLAZING MADE OF COMPOSITE GLASS
CN107323037A (en) * 2017-08-01 2017-11-07 深圳市燎原玻璃有限公司 A kind of anti-bulletproof glass and preparation method for sniping bullet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK154772B (en) * 1975-05-31 1988-12-19 Bfg Glassgroup SHOOTING DOUBLE GLASS WINDOW
EP2110238A1 (en) 2008-04-17 2009-10-21 Sälzer Sicherheitstechnik GmbH Blast effect-limiting glazing structure

Also Published As

Publication number Publication date
CH504610A (en) 1971-03-15
AT311580B (en) 1973-11-26

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