CN203100561U - Composite bulletproof flashboard - Google Patents
Composite bulletproof flashboard Download PDFInfo
- Publication number
- CN203100561U CN203100561U CN 201220657382 CN201220657382U CN203100561U CN 203100561 U CN203100561 U CN 203100561U CN 201220657382 CN201220657382 CN 201220657382 CN 201220657382 U CN201220657382 U CN 201220657382U CN 203100561 U CN203100561 U CN 203100561U
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- layer
- surface density
- bulletproof flashboards
- constitutes
- clad
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- Expired - Lifetime
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- 239000002131 composite material Substances 0.000 title abstract description 6
- 239000010410 layer Substances 0.000 claims abstract description 88
- 239000000919 ceramic Substances 0.000 claims abstract description 24
- 239000011241 protective layer Substances 0.000 claims abstract description 19
- 239000004744 fabric Substances 0.000 claims description 43
- 239000000463 material Substances 0.000 claims description 38
- 239000000835 fiber Substances 0.000 claims description 28
- -1 polyethylene Polymers 0.000 claims description 21
- 239000012528 membrane Substances 0.000 claims description 19
- 239000004698 Polyethylene Substances 0.000 claims description 15
- 229920003235 aromatic polyamide Polymers 0.000 claims description 15
- 229920000573 polyethylene Polymers 0.000 claims description 15
- 238000005520 cutting process Methods 0.000 claims description 11
- 210000001015 abdomen Anatomy 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- 238000005470 impregnation Methods 0.000 claims description 8
- 239000011496 polyurethane foam Substances 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 229920002554 vinyl polymer Polymers 0.000 claims description 6
- 229910052580 B4C Inorganic materials 0.000 claims description 5
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 5
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- 239000002759 woven fabric Substances 0.000 claims description 4
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 3
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 2
- 239000004677 Nylon Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 229920001568 phenolic resin Polymers 0.000 claims description 2
- 239000005011 phenolic resin Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 abstract 2
- 239000000853 adhesive Substances 0.000 description 10
- 230000001070 adhesive effect Effects 0.000 description 10
- 229920006231 aramid fiber Polymers 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000004848 polyfunctional curative Substances 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 3
- 238000007666 vacuum forming Methods 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 230000008485 antagonism Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006253 high performance fiber Polymers 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
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- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
The utility model discloses a composite bulletproof flashboard. The bulletproof flashboard consists of a cladding layer and an inner layer; the inner layer is completely covered by the cladding layer; and the inner layer comprises a protective layer, a ceramic layer, a middle layer, a support layer and a buffer layer from the outside to the inside in sequence. Due to the adoption of a novel structural design for the bulletproof flashboard, the entire bulletproof flashboard can effective resist the impact of bullets continuously shot by a light weapon without being broken. Moreover, the bulletproof flashboard has the characteristics of light weight, high bullet resistance, easiness in processing and the like.
Description
Technical field
The utility model relates to a kind of bulletproof composite plate.
Background technology
From the antagonism of war, shellproof equipment is and the accompany inevitable outcome of interpromoting relation in five elements of bullet class weapon.At present, conventional weapon development progressively improves individual soldier's threat level rapidly, is shellproof survival ability and the battlefield locomotivity that improves the individual soldier, ballistic composite system that must the development efficient and light weight.
Bulletproof flashboards is the important component part of flak jackets, is used to improve the degree of protection of flak jackets.At present, the complex method of bulletproof flashboards adopt more monolithic ceramic plate and high-performance fiber tissue layer pressing plate by adhesive directly bonding form, or small pieces are spliced pottery directly be bonded on the fabric laminate and be composited.Thereby the former is subjected to very easily causing after bullet impacts the whole cracked bulletproof effect that influences of ceramic wafer; And the bulletproof flashboards of latter's preparation, the local weakness owing to the slit between the potsherd causes after bulletproof flashboards is subjected to the bullet impact, easily causes running through of bullet.
The utility model content
The purpose of this utility model provides a kind of bulletproof composite plate.
The bulletproof flashboards that the utility model provides is made up of clad and internal layer; The described internal layer of the full coating of described clad;
Described internal layer comprises protective layer, ceramic layer, intermediate layer, supporting layer and cushion from outside to inside successively;
Described internal layer also can only be made up of above-mentioned each layer from outside to inside.
Described internal layer all has the curvature that adapts with human chest, back and/or belly, and each layer that constitutes described internal layer all can cover chest, back and/or the belly of human body.
Concrete, the material that constitutes described clad is nylon cloth or the oxford that has gum; The temperature resistant range of described gum is-45～45 ℃; The surface density of described clad is 100～400g/m
2, preferred 150～350g/m
2, be specially 200g/m
2Or 300g/m
2Or 350g/m
2Or 200～350g/m
2Or 200～300g/m
2Or 300～350g/m
2This clad has waterproof and anti-flaming function.
The material that constitutes described protective layer is the no latitude cloth of the woven cloth of superhigh molecular weight polyethylene fibers, superhigh molecular weight polyethylene fibers, the woven cloth of para-aramid fiber (also being the Fanglun 1414) or the no latitude cloth of para-aramid fiber; The surface density of described protective layer is 150～450g/m
2, preferred 200～400g/m
2
Described ceramic layer is that material is selected from bulk ceramics plate at least a in aluminium oxide, carborundum and the boron carbide;
Described ceramic wafer be shaped as the polygon that has radian, radius of the radian is 350～450mm, the described polygonal outer length of side is 210 * 260mm;
The described polygonal cutting gained as follows that specifically is shaped as: the rectangle of the 250 * 300mm isosceles right triangle that to cut away four length of sides be 20mm is got;
The material that constitutes described intermediate layer is identical with described protective layer, and its surface density is 100～400g/m
2, preferred 150～350g/m
2, be specially 200g/m
2Or 300g/m
2Or 350g/m
2Or 200～350g/m
2Or 200～300g/m
2Or 300～350g/m
2
The no latitude cloth laminated board of the para-aramid fiber that the material that constitutes described supporting layer is covered with glued membrane for the surface or the no latitude cloth laminated board of the superhigh molecular weight polyethylene fibers handled through impregnation or surface are covered with glued membrane or handle through impregnation; The surface density of described supporting layer is 6～13kg/m
2, preferred 7～12kg/m
2
In the described no latitude cloth laminated board, the weight of glued membrane or impregnation accounts for 8～20% of described no latitude cloth laminated board gross weight, is specially 15-20% or 8-15%; The material that constitutes described glued membrane or impregnation is polyethylene, polypropylene, acrylate, phenolic resins or Pioloform, polyvinyl acetal; The surface density of described supporting layer is 6～13kg/m
2, preferred 7～12kg/m
2, be specially 7kg/m
2Or 10kg/m
2Or 13kg/m
2Or 7～10kg/m
2Or 7～13kg/m
2Or 10～13kg/m
2This laminate can be conventional hot moulding method and makes.
The material that constitutes described cushion is the woven fabric of polyurethane foam material, polyethylene fibre or the woven fabric of polypropylene fibre; The surface density of described cushion is 0.05～2kg/m
2, preferred 0.09～1.8kg/m
2, be specially 0.05～1.5kg/m
2Or 1.5～2kg/m
2Or 1.5kg/m
2
The utility model is according to shellproof mechanism, select to have prepared a kind of bulletproof flashboards of the individual soldier's of being applicable to individual protection by special structural design and material, can be used for army, the People's Armed Police, police and security personnel's individual protection, prepared bulletproof flashboards can effectively be resisted the impact of the continuous emission bullet of light weapons and to keep the monolithic ceramic plate not take place whole cracked, can effectively improve wearing personnel's shellproof survival ability, has light weight, ballistic performance is good and be easy to advantages such as processing, the bullet that can effectively protect the small arms emission of bullet speed more than 800m/s impacts, and the live shell test has reached America NI J0101.06IV level requirement of shelter.
Description of drawings
Fig. 1 is the overall structure schematic diagram of bulletproof flashboards.
Fig. 2 is the endothecium structure schematic diagram of bulletproof flashboards.
Fig. 3 is the shape before and after the potsherd cutting, and wherein, a is for before cutting, after b is cutting.
The specific embodiment
Below in conjunction with specific embodiment the utility model is further elaborated, but the utility model is not limited to following examples.
Embodiment 1
Be 200g/m at first with surface density
2The woven cloth of para-aramid fiber to be cut into two chip sizes be that the cloth sheet of 250 * 300mm is used separately as protective layer and intermediate layer; then epoxy resin and vinyl three amine hardeners are made into adhesive according to 4: 1 quality proportioning, (surface density is 7kg/m not have the latitude cloth laminated board at the woven cloth of para-aramid fiber, silicon carbide ceramics plate (thickness is 10mm), the woven cloth of p-aramid fiber, ultra-high molecular weight polyethylene successively
2, glued membrane weight accounts for 8% of laminate gross weight, the glued membrane material is a Pioloform, polyvinyl acetal), (surface density is 0.09kg/m to polyurethane foam material
2) surface-coated adhesive and order be bonding, subsequently the adhesive of bulletproof flashboards periphery and the unnecessary woven cloth of p-aramid fiber cleaned out, (temperature resistant range is-45～45 ℃, and surface density is 150g/m to have the oxford of gum at outermost layer integral coating one deck again
2), at last by vacuum forming (pressure for-0.1MPa) and 20 ℃ solidify and can obtain the prepared bulletproof flashboards of the utility model in 1 hour.
This bulletproof flashboards overall structure schematic diagram as shown in Figure 1, the structural representation of each layer of bulletproof flashboards internal layer is made up of clad 6 and internal layer as shown in Figure 2; The clad 6 full internal layers that coat; Internal layer is followed successively by protective layer 1, ceramic layer 2, intermediate layer 3, supporting layer 4 and cushion 5 from outside to inside; Internal layer all has the curvature that adapts with human chest, back and/or belly, and each layer of internal layer all can cover chest, back and the belly of human body.
The material that constitutes clad 6 is the oxford that has gum; The temperature resistant range of gum is-45～45 ℃, and surface density is 150g/m
2
It is 200g/m that the material in formation protective layer 1 and intermediate layer 3 is surface density
2The woven cloth of para-aramid fiber (also being the Fanglun 1414);
Ceramic layer is that thickness is the silicon carbide ceramics plate of 10mm;
The material that constitutes supporting layer 4 is covered with the no latitude cloth laminated board of superhigh molecular weight polyethylene fibers of JSF film, and (surface density is 7kg/m for the surface
2, glued membrane weight account for the laminate gross weight 8%);
The material that constitutes cushion 5 is surface density 0.09kg/m
2Polyurethane foam material;
Wherein, the profile of silicon carbide ceramics plate is the polygon that has radian, and radius of the radian is 350mm, and the polygonal outer length of side is 210 * 260mm; This polygonal cutting gained as follows that specifically is shaped as: the rectangle of the 250 * 300mm isosceles right triangle that to cut away four length of sides be 20mm is got; Shape before and after the cutting is referring to Fig. 3.
Be 300g/m at first with surface density
2The woven cloth of para-aramid fiber to be cut into two chip sizes be that the cloth sheet of 250 * 300mm is used separately as protective layer and intermediate layer; then epoxy resin and vinyl three amine hardeners are made into adhesive according to 3: 1 quality proportioning, (surface density is 10kg/m not have the latitude cloth laminated board at the woven cloth of para-aramid fiber, boron carbide ceramics plate (thickness is 5mm), the woven cloth of p-aramid fiber, ultra-high molecular weight polyethylene successively
2, glued membrane weight accounts for 15% of laminate gross weight, the glued membrane material is a polyethylene), (surface density is 1.5kg/m to polyurethane foam material
2) surface-coated adhesive and order be bonding, subsequently the adhesive of bulletproof flashboards periphery and the unnecessary woven cloth of p-aramid fiber cleaned out, (temperature resistant range is-45～45 ℃, and surface density is 250g/m to have the oxford of gum at outermost layer integral coating one deck again
2), can obtain the prepared bulletproof flashboards of the utility model in 1 hour by vacuum forming (pressure is 0.08MPa) and 45 ℃ of curing at last.
This bulletproof flashboards overall structure schematic diagram as shown in Figure 1, the structural representation of each layer of bulletproof flashboards internal layer is made up of clad 6 and internal layer as shown in Figure 2; The clad 6 full internal layers that coat; Internal layer is followed successively by protective layer 1, ceramic layer 2, intermediate layer 3, supporting layer 4 and cushion 5 from outside to inside; Internal layer all has the curvature that adapts with human chest, back and/or belly, and each layer of internal layer all can cover chest, back and the belly of human body.
The material that constitutes clad 6 is the oxford that has gum; The temperature resistant range of gum is-45～45 ℃, and surface density is 250g/m
2
It is 300g/m that the material in formation protective layer 1 and intermediate layer 3 is surface density
2The woven cloth of para-aramid fiber (also being the Fanglun 1414);
The material that constitutes supporting layer 4 is covered with the no latitude cloth laminated board of superhigh molecular weight polyethylene fibers of polyethylene glued membrane, and (surface density is 10kg/m for the surface
2, glued membrane weight account for the laminate gross weight 15%);
The material that constitutes cushion 5 is surface density 1.5kg/m
2Polyurethane foam material;
Wherein, the profile of boron carbide ceramics plate is the polygon that has radian, and radius of the radian is 400mm, and the polygonal outer length of side is 210 * 260mm; This polygonal cutting gained as follows that specifically is shaped as: the rectangle of the 250 * 300mm isosceles right triangle that to cut away four length of sides be 20mm is got; Shape before and after the cutting is referring to Fig. 3.
Embodiment 3
Be 400g/m at first with surface density
2The woven cloth of para-aramid fiber to be cut into two chip sizes be that the cloth sheet of 250 * 300mm is used separately as protective layer and intermediate layer; then epoxy resin and vinyl three amine hardeners are made into adhesive according to 2: 1 quality proportioning, (surface density is 12kg/m not have the latitude cloth laminated board at the woven cloth of para-aramid fiber, alumina ceramic plate (thickness is 8mm), the woven cloth of p-aramid fiber, ultra-high molecular weight polyethylene successively
2, glued membrane weight accounts for 20% of laminate gross weight, the glued membrane material is a polypropylene), (surface density is 1.8kg/m to polyurethane foam material
2) surface-coated adhesive and in proper order bonding, subsequently the adhesive of bulletproof flashboards periphery and the unnecessary woven cloth of p-aramid fiber are cleaned out, (temperature resistant range is-45～45 ℃, and surface density is 350g/m at outermost layer integral coating one deck oxford again
2), can obtain the prepared bulletproof flashboards of the utility model in 1 hour by vacuum forming (pressure is 0.06MPa) and 60 ℃ of curing at last.
This bulletproof flashboards overall structure schematic diagram as shown in Figure 1, the structural representation of each layer of bulletproof flashboards internal layer is made up of clad 6 and internal layer as shown in Figure 2; The clad 6 full internal layers that coat; Internal layer is followed successively by protective layer 1, ceramic layer 2, intermediate layer 3, supporting layer 4 and cushion 5 from outside to inside; Internal layer all has the curvature that adapts with human chest, back and/or belly, and each layer of internal layer all can cover chest, back and the belly of human body.
The material that constitutes clad 6 is the oxford that has gum; The temperature resistant range of gum is-45～45 ℃, and surface density is 350g/m
2
It is 400g/m that the material in formation protective layer 1 and intermediate layer 3 is surface density
2The woven cloth of para-aramid fiber (also being the Fanglun 1414);
The material that constitutes supporting layer 4 is covered with the no latitude cloth laminated board of superhigh molecular weight polyethylene fibers of polypropylene glued membrane, and (surface density is 12kg/m for the surface
2, glued membrane weight account for the laminate gross weight 20%);
The material that constitutes cushion 5 is surface density 1.8kg/m
2Polyurethane foam material;
Wherein, the profile of alumina ceramic plate is the polygon that has radian, and radius of the radian is 450mm, and the polygonal outer length of side is 210 * 260mm; This polygonal cutting gained as follows that specifically is shaped as: the rectangle of the 250 * 300mm isosceles right triangle that to cut away four length of sides be 20mm is got; Shape before and after the cutting is referring to Fig. 3.
Claims (7)
1. a bulletproof flashboards is made up of clad and internal layer; The described internal layer of the full coating of described clad;
Described internal layer comprises protective layer, ceramic layer, intermediate layer, supporting layer and cushion from outside to inside successively.
2. bulletproof flashboards according to claim 1 is characterized in that: described internal layer all has the curvature that adapts with human chest, back and/or belly, and each layer that constitutes described internal layer all can cover chest, back and/or the belly of human body.
3. bulletproof flashboards according to claim 1 is characterized in that:
The material that constitutes described clad is nylon cloth or the oxford that has gum; The temperature resistant range of described gum is-45～45 ℃; The surface density of described clad is 100～400g/m
2
The material that constitutes described protective layer is the no latitude cloth of the woven cloth of superhigh molecular weight polyethylene fibers, superhigh molecular weight polyethylene fibers, the woven cloth of para-aramid fiber or the no latitude cloth of para-aramid fiber; The surface density of described protective layer is 150～450g/m
2
Described ceramic layer is the bulk ceramics plate that material is selected from aluminium oxide, carborundum and the boron carbide any one;
The material that constitutes described intermediate layer is identical with described protective layer;
The no latitude cloth laminated board of the para-aramid fiber that the material that constitutes described supporting layer is covered with glued membrane for the surface or the no latitude cloth laminated board of the superhigh molecular weight polyethylene fibers handled through impregnation or surface are covered with glued membrane or handle through impregnation; The surface density of described supporting layer is 6～13kg/m
2
The material that constitutes described cushion is the woven fabric of polyurethane foam material, polyethylene fibre or the woven fabric of polypropylene fibre; The surface density of described cushion is 0.05～2kg/m
2
4. bulletproof flashboards according to claim 3 is characterized in that: the surface density of described clad is 150～350g/m
2
The surface density of described protective layer is 200～400g/m
2
The surface density of described supporting layer is 7～12kg/m
2
The surface density of described cushion is 0.09～1.8kg/m
2
5. bulletproof flashboards according to claim 1 is characterized in that: described ceramic wafer be shaped as the polygon that has radian, radius of the radian is 350～450mm, the described polygonal outer length of side is 210 * 260mm.
6. bulletproof flashboards according to claim 5 is characterized in that: the described polygonal cutting gained as follows that is shaped as: the rectangle of the 250 * 300mm isosceles right triangle that to cut away four length of sides be 20mm is got.
7. according to the arbitrary described bulletproof flashboards of claim 1-6, it is characterized in that: in the described no latitude cloth laminated board, the weight of glued membrane or impregnation accounts for 8～20% of described no latitude cloth laminated board gross weight; The material that constitutes described glued membrane or impregnation is polyethylene, polypropylene, acrylate, phenolic resins or Pioloform, polyvinyl acetal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220657382 CN203100561U (en) | 2012-12-03 | 2012-12-03 | Composite bulletproof flashboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220657382 CN203100561U (en) | 2012-12-03 | 2012-12-03 | Composite bulletproof flashboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203100561U true CN203100561U (en) | 2013-07-31 |
Family
ID=48851955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220657382 Expired - Lifetime CN203100561U (en) | 2012-12-03 | 2012-12-03 | Composite bulletproof flashboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203100561U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727843A (en) * | 2013-08-02 | 2014-04-16 | 太仓派欧技术咨询服务有限公司 | Self-healing bulletproof composite material |
| CN105021090A (en) * | 2015-08-21 | 2015-11-04 | 北京普诺泰新材料科技有限公司 | Bulletproof structure and protective device with bulletproof structure |
| CN105371702A (en) * | 2015-09-29 | 2016-03-02 | 北京普凡防护科技有限公司 | Bullet-proof composite plate and manufacturing method thereof |
| CN105444622A (en) * | 2015-11-16 | 2016-03-30 | 中国人民解放军总后勤部军需装备研究所 | Burster block of composite structure and manufacturing method of burster block |
| CN112595175A (en) * | 2020-11-25 | 2021-04-02 | 张帆 | Multi-shot-resistant special-shaped integral ceramic bulletproof plugboard and bulletproof device |
| CN114963874A (en) * | 2022-06-10 | 2022-08-30 | 天津开姆科新材料科技有限公司 | Composite bulletproof flashboard and preparation method thereof |
-
2012
- 2012-12-03 CN CN 201220657382 patent/CN203100561U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727843A (en) * | 2013-08-02 | 2014-04-16 | 太仓派欧技术咨询服务有限公司 | Self-healing bulletproof composite material |
| CN105021090A (en) * | 2015-08-21 | 2015-11-04 | 北京普诺泰新材料科技有限公司 | Bulletproof structure and protective device with bulletproof structure |
| CN105371702A (en) * | 2015-09-29 | 2016-03-02 | 北京普凡防护科技有限公司 | Bullet-proof composite plate and manufacturing method thereof |
| CN105444622A (en) * | 2015-11-16 | 2016-03-30 | 中国人民解放军总后勤部军需装备研究所 | Burster block of composite structure and manufacturing method of burster block |
| CN112595175A (en) * | 2020-11-25 | 2021-04-02 | 张帆 | Multi-shot-resistant special-shaped integral ceramic bulletproof plugboard and bulletproof device |
| CN114963874A (en) * | 2022-06-10 | 2022-08-30 | 天津开姆科新材料科技有限公司 | Composite bulletproof flashboard and preparation method thereof |
| CN114963874B (en) * | 2022-06-10 | 2024-04-26 | 天津开姆科新材料科技有限公司 | Composite bulletproof plugboard and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |