CN203331501U - Anti-smashing laminated glass - Google Patents
Anti-smashing laminated glass Download PDFInfo
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- CN203331501U CN203331501U CN2012205988004U CN201220598800U CN203331501U CN 203331501 U CN203331501 U CN 203331501U CN 2012205988004 U CN2012205988004 U CN 2012205988004U CN 201220598800 U CN201220598800 U CN 201220598800U CN 203331501 U CN203331501 U CN 203331501U
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- glass
- doubling
- smashing
- doubling glass
- alumina silicate
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Abstract
The utility model relates to anti-smashing laminated glass, and in particular provides lightweight, high-strength, scraping-resistant and high-transmittance anti-smashing laminated glass. The anti-smashing laminated glass comprises at least two alumina silicate glass sheets which are bonded together by virtue of an organic material intermediate layer. Compared with the traditional soda-lime glass, the alumina silicate glass used in the anti-smashing laminated glass still has very high mechanical shock resistance and scraping resistance when a relatively thin glass sheet is used, so that the anti-smashing laminated glass also has the characteristics of low thickness, light weight and high transmittance besides good mechanical shock resistance and scraping resistance compared with the traditional laminated glass. The anti-smashing laminated glass has high performance, so that the anti-smashing laminated glass is applicable to special applications with harsh requirements for mechanical shock resistance, scraping resistance, weight and transmittance, such as an anti-smashing window used for a police car.
Description
Technical field
The present invention relates to doubling glass, and be particularly related to the anti-doubling glass of pounding of frivolous high strength, scratch-resistant and the high permeability made by the alumina silicate glass of chemical tempering.
Background technology
High strength prevents that pounding doubling glass is comprised of several pieces glass and the intermediate layer that fit together usually, is applied to the fields such as security protection, national defence and demonstration protection, to protect personnel or property safety thereafter.
In recent years, the doubling glass of frivolous transparent " glass-glass " structure of demand more and more on market.For example, for the side window mandatory requirement of Chinese panda car, by GA844A level anti-, pound test, it will be in the situation that gross thickness be less than 4.5mm, stands the hammering of 3 68J and not breakdown.In Another Application, the protection window of the industrial equipment used under hot environment requires still have higher mechanical shock resistance, scratch resistance and high permeability under gross thickness is less than the condition of 3mm.
The doubling glass of traditional " glass-glass " structure, used chemistry or physical toughened soda-lime glass, for example CN201998480U " laminated glass of bullet-proof anti-smashing " usually.For reaching enough mechanical strength or shock resistances, described soda-lime glass sheet is thicker than 3mm usually, and this causes, and the doubling glass thickness made with it is large, Heavy Weight, transmitance are low.This be because the bearing stress of the soda-lime glass of chemical tempering lower than 500MPa, the bearing stress of physical toughened soda-lime glass is lower than 200MPa, therefore strengthening effect is limited, so can only increase thickness of glass to reach enough mechanical strength or shock resistances.
The doubling glass of some " glass-glass " structure, mix use by the soda-lime glass of chemical tempering with the alumina silicate glass sheet, US5928793 for example, " automobile-used doubling glass ".Doubling glass with this structure only is suitable for conventional application, as common vehicle window.But, for special applications, as severe as environment for use, described mixed type doubling glass mechanical strength and scratch resistance can't meet the demands.For example, the anti-window of pounding for the police patrol vehicle needs the outside in glass all to have good scratch resistance, to keep its long-term mechanical strength and transmitance of using, this is even more important at extremely frigid zones, Desert Area etc., because vehicle window is especially easily by scuffings such as ice crystal, sand/dirt in such environment.
" glass-Merlon (PC) " structure is another common structure of doubling glass.Because the use of PC plate, it has mechanical shock resistance and lighter weight preferably.For example, CN202147450U " vehicle glass " and CN201941200U " safe doubling glass ".Yet the PC plate is compared the destruction that glass is vulnerable to ultraviolet ray and scraping, so its Quality Down affects whole intensity and transmitance in long-term the use.In addition, PC and such as poor adhesion between the common intermediate materials of PVB etc., so the doubling glass of this structure is through being everlasting integrity problem, as vehicle window boils the bubble problem in test.About the doubling glass of " glass-PU " structure, also there is similar problem.This kind of structure may be suitable for the not harsh application of requirement, for example US5766755 " for the security window of aircraft ".But for special application, plant equipment cover glass for example, this PU layer can not meet the requirement of scratch resistance significantly.
Alumina silicate glass for the present invention, because its alumina content is high, make it in the chemical tempering process, have very high ion-exchange speed, therefore can easily reach higher than the bearing stress of 900MPa and be greater than the ion-exchange layer thickness of 50 μ m, thereby obtaining good chemical tempering effect.
Especially for containing the high alumina silicate glass of lithium, due to the very low exchange potential barrier between lithium ion and sodium ion, it can obtain higher than the bearing stress of 1000MPa and be deeper than the ion-exchange layer thickness of 200 μ m by ion-exchange within the shorter time, thereby has good chemical tempering effect.
Described alumina silicate glass obtains good strengthening effect because of its excellent chemical tempering performance, thereby has superior mechanical performance.Under same thickness, the mechanical performance of the alumina silicate glass after chemical tempering is much better than chemistry or physical toughened soda-lime glass.Therefore need use to the high many application that require of mechanical performance the doubling glass of being made by alumina silicate glass, for example GB2276933A " bulletproof composite plate armour " and US5928793A " automobile-used doubling glass ".Even, for only partly using alumina silicate glass and part to use the doubling glass of soda-lime glass, when the requirement to thickness and weight is not harsh, can meet the application of some high mechanical properties requirements.US7727917 " lithium alumina silicate glass and the goods thereof that are suitable for chemical tempering " for example.
Compare the doubling glass that soda-lime glass is made, the doubling glass of being made by alumina silicate glass can be issued at thinner thickness same mechanical strength and impact strength, and this also means that it has less weight and the high permeability of Geng Gao.
Summary of the invention
The invention provides frivolous high strength, scratch-resistant and high permeability, by alumina silicate glass, make not the anti-doubling glass of pounding containing Merlon.
The present invention is suitable for anti-application of pounding.The present invention is particularly useful for the anti-cover glass of pounding window, industry demonstration and plant equipment of police patrol vehicle.
Doubling glass provided by the invention, comprise by least two bonding sheet glass of one deck organic material intermediate layer at least, a slice of wherein said sheet glass or two are the alumina silicate glasses of chemical tempering, described organic material is not Merlon (PC), and the gross thickness of described doubling glass is no more than 6.0mm.
In one embodiment, the sheet glass of described chemical tempering is through further surface-treated sheet glass.In one embodiment, described surface treatment is chemical attack, polishing or plated film.
In one embodiment, the gross thickness of described doubling glass is no more than 5mm, preferably is no more than 4mm.
In one embodiment, disclose a kind of doubling glass, it comprises ground floor chemical tempering alumina silicate glass, relative second layer chemical tempering alumina silicate glass, and the organic material intermediate layer between ground floor and the second layer.In one embodiment, the thickness in described intermediate layer is less than 2.0mm, preferably is less than 1.0mm, is more preferably less than 0.5mm, and most preferably is less than 0.1mm.
In another embodiment, a kind of doubling glass is disclosed, it comprises three layers or more multi-layered chemical tempering alumina silicate glass laminated together, and two-layer or multilayer organic material.
The accompanying drawing explanation
Fig. 1 is the viewgraph of cross-section of doubling glass with embodiment 1 of embodiment of the present invention.
Fig. 2 is the viewgraph of cross-section of doubling glass with embodiment 2 of embodiment of the present invention.
The specific embodiment
Pounding the aluminosilicate doubling glass as frivolous high strength, scratch-resistant and high permeability described in the utility model anti-refers to a kind of by using organic intermediate adhesion layer by composite that at least two-layer high strength glass sheet fits together and makes.
Doubling glass generally should have to the high resistance of mechanical shock with protection people and property thereafter, and higher transmitance is convenient to observe, for some, special application even needs machinery and the optical property of scratch resistance to guarantee that it is long-term.Doubling glass is widely used in the security protection in the fields such as traffic, national defence, demonstration.For these application, described doubling glass will meet the requirement of corresponding enforceable national standard usually, such as GA844-2009(People's Republic of China (PRC) industry standards of public safety), GBT5137.1-2002(Chinese automobile safety glass standard), JIS R3212(Japanese car safety glass standard), KSL2007:2008(Korea S road vehicle safety glass) etc. requirement.
As high-strength laminated glass described in the utility model refers to glassy layer and is sandwiched in the composite that intermediate adhesion layer therebetween is combined into; Thereby above-mentioned material provides the strength and toughness of described doubling glass to prevent the breakage of described doubling glass under mechanical shock together.Generally by the glassy layer through tempering, provide toughness and anti-mechanical shock and scraping and wiping resistance performance, and the organic material intermediate layer by bonding glass together and the further energy of impact-absorbing of extra pliability is provided.
As lightweight described in the utility model, high permeability doubling glass refer to glassy layer and are sandwiched in the composite that adhesive layer therebetween is combined into; Described glassy layer is the alumina silicate glass of chemical tempering, with traditional sodium calcium doubling glass, compares, and it has high permeability and high strength, under equal intensity, it is little, lightweight that the doubling glass of being made by described alumina silicate glass has thickness, the characteristics that transmitance is high.
As the doubling glass of scratch-resistant described in the utility model refers to glassy layer and is sandwiched in the composite that intermediate materials adhesive layer therebetween is combined into; Described glassy layer is the alumina silicate glass of chemical tempering, and it has high intensity and case hardness.With the soda-lime glass of the Vickers hardness that only has every square millimeter of about 550 kilogram, compare, described alumina silicate glass has the Vickers hardness that surpasses every square millimeter of 650 kilogram.Described high rigidity makes described glass be difficult for being swiped by external force.
As alumina silicate glass described in the utility model, with the traditional sodium lime glass, to compare, described alumina silicate glass alumina content is high.Aluminum-oxygen network network structure in its structure can provide ion-exchange passage fast, and described alumina silicate glass can reach very high bearing stress and very dark ion exchange layer after the chemical tempering of short time, thereby obtains better strengthening effect.The hardness of the alumina silicate glass that described alumina content is high is also higher, and can further improve by chemical tempering.
Especially, the described alumina silicate glass that contains lithia.Because exchange potential barrier between sodium and lithium ion is low, its lithium ion, by carrying out ion-exchange in the salt bath with containing sodium ion, can obtain darker ion exchange layer, and then obtain better strengthening effect within the shorter time.
As the chemical tempering of alumina silicate glass described in the utility model refers to process glass in molten salt bath, make the alkali metal ion less at the glass Ionic Radius, as Na
+, Li
+, the alkali metal ion larger with ionic radius in salt bath, as K
+or Na
+, exchanged.Thereby form and to there is the ion exchange layer of compression at glass surface, and make to there is tensile stress in the core of this glass.The compression energy Anticrack of glass surface also improves hardness, intensity and the adhesion strength of glass.Usually compression is larger, and the ion-exchange layer depth is darker, and the strengthening effect of glass is better.
As alumina silicate glass described in the utility model, at KNO
3after chemical tempering in salt bath, its bearing stress is higher than 500MPa, and preferably higher than 700MPa, more preferably higher than 900MPa, the degree of depth of ion exchange layer is higher than 50 μ m, preferably higher than 70 μ m, more preferably higher than 80 μ m.
The alumina silicate glass that contains lithia as described in the utility model, at KNO
3salt bath, NaNO
3salt bath or KNO
3and NaNO
3in mixed salt-bath, after chemical tempering, its bearing stress is higher than 500MPa, and preferably higher than 700MPa, more preferably higher than 1000MPa, the degree of depth of ion exchange layer is higher than 100 μ m, preferably higher than 150 μ m, more preferably higher than 200 μ m.
SCHOTT Xensation Cover
tMit is a kind of alumina silicate glass containing sodium oxide molybdena.At KNO
3in salt bath after chemical tempering, more than its bearing stress layer can reach 900MPa, more than ion-exchange layer depth 80 μ m.After chemical tempering, Vickers hardness is brought up to every square millimeter of 681 kilogram from every square millimeter of 617 kilogram.
SCHOTT Xensation Cover3D
tMbe a kind of alumina silicate glass with high oxidation lithium content, it can be at NaNO
3salt bath, KNO
3salt bath or KNO
3and NaNO
3carry out chemical tempering in the salt bath of mixture.It can reach higher than 1000MPa bearing stress after chemical tempering, is greater than the ion-exchange layer depth of 150 μ m.After chemical tempering, its Vickers hardness is brought up to every square millimeter of 690 kilogram from every square millimeter of 640 kilogram.
SCHOTT Xensation Cover
tMwith SCHOTT Xensation Cover3D
tMchemical enhanced performance not only be better than soda-lime glass, and be better than the alumina silicate glass of other company.For example, carry out chemical tempering under the condition of each self-optimizing after, SCHOTT Xensation Cover
tMcan reach the bearing stress of 900MPa, the hardening depth of 45 μ m and the bending strength of 850MPa, and in certain contact panel industry, alumina silicate glass commonly used only can reach the bearing stress of 750MPa, the hardening depth of 40 μ m and the bending strength of 650MPa.And SCHOTTXensation Cover
tMthe chemical tempering processing time be only half of the chemical tempering processing time of alumina silicate glass commonly used in mentioned certain contact panel industry above, this can greatly reduce chemical tempering cost and energy resource consumption.
As the bearing stress of chemically toughened glass described in the utility model, can significantly improve the mechanical performance of glass.As everyone knows, glass is high a lot of to the ability of the ability of compressive stress comparison tensile stress, and breaking of glass is that tensile stress on glass causes by acting on usually.Can cause as default reaction force antagonism the tensile stress of glass breakage by chemical enhanced at glass surface formation compressive stress layer, thereby stop glass breakage.On the other hand, the bearing stress layer can reach the purpose that prevents glass breakage by stoping the micro-crack extension produced at glass surface by external impact.So glass is after chemical tempering, its bearing stress is higher, and ion exchange layer is darker, and the mechanical strength of this glass is higher.In addition, lip-deep compression also makes its case hardness improve, and is difficult to be swiped by external force, has therefore improved the scratch resistance of glass surface.
As the thickness of alumina silicate glass described in the utility model is less than 3mm, preferably be less than 2mm, be more preferably less than 1mm, most preferably be less than 0.5mm.The glass that even can used thickness in special application at some be less than 0.1mm.With the strengthening soda-lime glass, compare, this alumina silicate glass has superior mechanical performance after chemical tempering, and it can reach with same thickness impact resistance preferably, and this contributes to reduce the gross weight of doubling glass and the transmitance that increases doubling glass.
For example, in a certain embodiment, the SCHOTTXensation Cover that the 3.0mm of chemical tempering is thick
tMthe falling sphere energy to fracture be 42J, than chemical tempering 3.0mm, the falling sphere energy to fracture of thick soda-lime glass exceeds 3 times, than physical toughened 3.0mm, the falling sphere energy to fracture of thick soda-lime glass exceeds 15 times.In another examples of implementation, the chemical tempering SCHOTTXensation Cover that 1.1mm is thick
tMthe falling sphere energy to fracture be not less than the falling sphere energy to fracture of the soda-lime glass that 3.0mm is thick, this means and have in same intensity performance situation, this glass surpasses 60% than soda-lime glass is lightweight.
As alumina silicate glass described in the utility model, with traditional soda-lime glass, to compare, it has lower iron ion content, and this makes it at visible-range, have higher transmitance.For example, the Shott Xensation Cover of 0.7 millimeters thick
tMtransmitance be greater than 91.5%, and the transmitance of the soda-lime glass of same thickness is greater than 90%.In addition, under identical requirement of strength, the alumina silicate glass used is thin more a lot of than soda-lime glass, thereby has more high permeability.Also have, the scratch resistance that the chemical tempering alumina silicate glass is superior and anti-UV aging have guaranteed the high permeability in long-term use.For example, the 4.5 millimeters thick doubling glass with layer glass can reach and be greater than 84%, are greater than 86%, are greater than 88% transmitance, and this transmitance exceeds 5-6% than the doubling glass of making by same structure by the traditional sodium lime glass.
As alumina silicate glass described in the utility model can be plate glass, curved glass or with the glass of structure.
As alumina silicate glass described in the utility model can make by float glass process, glass tube down-drawing or secondary drawing.
As alumina silicate glass described in the utility model can be in the further surface treatment of the laggard row of chemical tempering, by further reduction blemish, to reach better mechanical shock resistance.For example, the SCHOTT Xensation Cover of chemical tempering
tMafter further chemical attack, its falling sphere energy to fracture improves 15%.
As organic material adhesive layer in the middle of described in the utility model refers to provide the organic material of bonding force between glass and glass.Described organic material is selected from polyvinyl butyral resin (PVB), polyurethane (PU), thermoplastic polyurethane (TPU), ethylene-vinyl acetate (EVA), DuPont
and optical lens gelatin/resin (OCA/OCR) (SGP).DuPont wherein
transliteration Du Pont by name cent
As alumina silicate glass described in the utility model, its superior chemical tempering performance makes it compare with soda-lime glass to have more superior mechanical performance.The doubling glass of being made by described alumina silicate glass sheet can reach high strength and high permeability, and thickness and weight are in rational scope simultaneously.With the doubling glass of being made by the traditional sodium lime glass, compare, have in identical mechanical performance and better transmitance situation, the gross thickness of the doubling glass that described alumina silicate glass is made can be less than 6.0mm, preferably be less than 4.5mm, preferably be less than 3.0mm, be more preferably less than 2.0mm, most preferably be less than 1.0mm, the doubling glass that the comparable traditional sodium lime glass of the gross weight of the doubling glass that above-mentioned aluminosilicate is made is made is low by 10%, preferably low by 20%, more preferably low by 40%, most preferably low 80%.For example,, when by two 200 * 200 * 1.0mm SCHOTT Xensation Cover
tMsheet glass is made, and its thickness is only 2.5mm, and weight is only 0.21kg, the impact that but can in the ball falling impact test, can bear 30J.And reaching the doubling glass of the impact energy of identical shock resistance level with soda-lime glass, its gross thickness will will be 0.6kg for 5mm and weight.
Again for example, at some, thickness of glass is required to be less than in the application that 2.0mm even is less than 1.0mm two chemical enhanced SCHOTT Xensation Cover that 100 * 60 * 0.3mm is thick
tMsheet glass can bear by the bonding doubling glass of making of 50 μ mOCA glue-line the impact that the 130g steel ball exceeds from 1.5m.
The doubling glass that alumina silicate glass mentioned above is made is useful in the application of high strength, lightweight, high permeability and uses very much.For example, the angle glass that thickness is greater than 3.0mm can be used for the anti-glass of pounding of police cruiser, and the doubling glass that thickness is less than 3.0mm can be used for the safety protection glass of industrial display unit.
Embodiment 1
Fig. 1 is the schematic diagram that shows a kind of doubling glass structure, this doubling glass comprises the chemical tempering alumina silicate glass sheet 1 as ground floor, as another chemical tempering alumina silicate glass sheet 3 of the second layer, and be clipped in the organic material intermediate layer 2 between above-mentioned two-layer 1 and 3.When on surfaces A, applying mechanical shock, ground floor chemical tempering alumina silicate glass sheet 1 provides high impact resistance because of the high tenacity after chemical tempering.Described organic material intermediate layer 2 firmly is bonded together two-layer chemical tempering alumina silicate glass sheet 1 and 3, can effectively to this mechanical shock, provide extra buffering simultaneously, apparatus with shock absorbing, reduce and be delivered to the impact energy of the chemical enhanced second layer chemical tempering alumina silicate glass sheet 3 of high tenacity, and prevent breaking or puncturing of doubling glass.Similarly, if apply impact to surperficial B, chemical tempering alumina silicate glass sheet 1 and 3 exchange roles, and similar protection still is provided.
In the present embodiment, a kind of doubling glass, it comprises the thick chemical tempering SCHOTT Xensation Cover3D of two-layer 1.9mm be bonded together by 0.51mm TPU
tMglass.Above-mentioned chemically toughened glass has the ion-exchange layer depth of bearing stress and the 200 μ m of 900MPa after chemical tempering.It processes after two hours under room temperature, 55 ℃ and-25 ℃, still stands respectively to have the hammering of 68J impact energy three times and can continue use, and this has met " GA844 A level " anti-ly pounds requirement.Further test shows, this doubling glass even can stand to impact for 13 times and, without any slight crack, this is far superior to traditional doubling glass.The gross thickness of this doubling glass is 4.5mm, and its transmitance reaches 88%.If the doubling glass made from soda-lime glass obtains the identical anti-level of pounding, the gross thickness of this doubling glass surpasses 6.5mm, this means that approximately 50% weight increase and significant transmitance reduce.If the doubling glass made from one deck alumina silicate glass and one deck soda-lime glass obtains the identical anti-level of pounding, its gross thickness surpasses 5.5mm.
In the present embodiment, another kind of doubling glass, it comprises the two-layer 2.7mm chemical tempering SCHOTT Xensation Cover be bonded together by 0.52mm PVB
tMglass.Above-mentioned chemical tempering SCHOTT Xensation Cover
tMglass has the ion-exchange layer depth of bearing stress and the 60 μ m of 900MPa after chemical tempering.This doubling glass can stand the hammering of six 120J and do not penetrated.And further test even shows, this doubling glass even can stand 200km/h speed the 20g aluminium bomb impact and continue to use.The gross thickness of this doubling glass is 6.0mm, and its transmitance still has 84%.
Fig. 2 is the schematic diagram that shows a kind of doubling glass structure, and this doubling glass comprises three stratification tempering alumina silicate glass plates 4,6,8, and two organic material intermediate layers 5,7.The intermediate layer be arranged between glassy layer provides bonding force, and glassy layer is bonded together.When C or D apply mechanical shock to surface, the chemical tempering alumina silicate glass plate 4 or 8 impacted is because the high tenacity after chemical tempering provides high impact properties.Described bosom layer is together with the further impact-absorbing energy of inner glass layer, and reduces the impact that the inboard chemical tempering alumina silicate glass plate 8 or 4 that is delivered to this doubling glass is subject to, and finally prevents glass breakage, reaches the people and property's of protection the inside purpose.
In the present embodiment, a kind of doubling glass, the SCHOTT Xensation Cover that it comprises the chemical tempering that the threeply degree that is bonded together by two-layer 0.52mm PVB is 1.6mm
tMsheet glass.Above-mentioned chemically toughened glass has the ion-exchange layer depth of bearing stress and the 50 μ m of 900MPa.This doubling glass stands the hammering of six 120J and is not penetrated.The gross thickness of this doubling glass is 6.0mm, and its transmitance is 85%.If replace the SCHOTT Xensation Cover of two inboards with soda-lime glass
tMglass, it only can resist the hammering of 60J.
Claims (14)
1. a doubling glass, it comprises at least two alumina silicate glasses and at least one organic material intermediate layer, described intermediate layer is bonding by described sheet glass, and a slice of wherein said sheet glass or two are the chemically toughened glass sheets, described organic material is not Merlon, and the gross thickness of described doubling glass is no more than 6.0mm.
2. doubling glass according to claim 1, the sheet glass of wherein said chemical tempering is through further surface-treated sheet glass.
3. doubling glass according to claim 2, wherein said surface treatment is chemical attack, polishing or plated film.
4. doubling glass according to claim 1, the thickness of wherein said sheet glass is no more than 3.0mm.
5. doubling glass according to claim 1, the thickness of wherein said sheet glass is no more than 2.0mm.
6. doubling glass according to claim 1, the thickness of wherein said sheet glass is no more than 1.0mm.
7. doubling glass according to claim 1, wherein said sheet glass is plate glass, curved glass or with the glass of structure.
8. doubling glass according to claim 1, wherein said organic material is selected from polyvinyl butyral resin, polyurethane, thermoplastic polyurethane, ethylene-vinyl acetate or Du Pont's cent
9. doubling glass according to claim 1, the thickness in wherein said intermediate layer is less than 2.0mm.
10. doubling glass according to claim 1, the thickness in wherein said intermediate layer is less than 1.0mm.
11. doubling glass according to claim 1, the thickness in wherein said intermediate layer is less than 0.5mm.
12. doubling glass according to claim 1, the thickness in wherein said intermediate layer is less than 0.1mm.
13. doubling glass according to claim 1, the gross thickness of wherein said doubling glass is no more than 5mm.
14. doubling glass according to claim 1, the gross thickness of wherein said doubling glass is no more than 4mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205988004U CN203331501U (en) | 2012-11-14 | 2012-11-14 | Anti-smashing laminated glass |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205988004U CN203331501U (en) | 2012-11-14 | 2012-11-14 | Anti-smashing laminated glass |
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| Publication Number | Publication Date |
|---|---|
| CN203331501U true CN203331501U (en) | 2013-12-11 |
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ID=49700198
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|---|---|---|---|
| CN2012205988004U Expired - Lifetime CN203331501U (en) | 2012-11-14 | 2012-11-14 | Anti-smashing laminated glass |
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| CN (1) | CN203331501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773964A (en) * | 2015-03-31 | 2015-07-15 | 江苏铁锚玻璃股份有限公司 | Smash-proof composite glass and preparation method thereof |
-
2012
- 2012-11-14 CN CN2012205988004U patent/CN203331501U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773964A (en) * | 2015-03-31 | 2015-07-15 | 江苏铁锚玻璃股份有限公司 | Smash-proof composite glass and preparation method thereof |
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| GR01 | Patent grant | ||
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Granted publication date: 20131211 |