CN112304161B - Bendable bulletproof plate and preparation method thereof - Google Patents
Bendable bulletproof plate and preparation method thereof Download PDFInfo
- Publication number
- CN112304161B CN112304161B CN202011325072.5A CN202011325072A CN112304161B CN 112304161 B CN112304161 B CN 112304161B CN 202011325072 A CN202011325072 A CN 202011325072A CN 112304161 B CN112304161 B CN 112304161B
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- bulletproof
- area
- plate
- bendable
- soft
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- 238000002360 preparation method Methods 0.000 title claims abstract description 6
- 239000004744 fabric Substances 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 39
- 239000011162 core material Substances 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 18
- 238000005520 cutting process Methods 0.000 claims description 13
- 238000007723 die pressing method Methods 0.000 claims description 13
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 238000012805 post-processing Methods 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 2
- 229920004934 Dacron® Polymers 0.000 claims 1
- 239000005020 polyethylene terephthalate Substances 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 18
- 239000010410 layer Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 229920006253 high performance fiber Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H5/00—Armour; Armour plates
- F41H5/02—Plate construction
- F41H5/04—Plate construction composed of more than one layer
-
- 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
- F41H5/0471—Layered armour containing fibre- or fabric-reinforced layers
-
- 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
- F41H1/00—Personal protection gear
- F41H1/02—Armoured or projectile- or missile-resistant garments; Composite protection fabrics
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Laminated Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a bendable bulletproof plate and a preparation method thereof, wherein the bendable bulletproof plate comprises at least one soft bulletproof area and at least two hard bulletproof areas, the soft bulletproof areas are arranged between two adjacent hard bulletproof areas, the thickness of the hard bulletproof areas is smaller than that of the soft bulletproof areas, and the bendable bulletproof plate is made of PE UD composite cloth. The bendable bulletproof plate can realize seamless connection of the soft bulletproof area and the hard bulletproof area by arranging at least one soft bulletproof area and at least two hard bulletproof areas, and can realize 360-degree bending by adjusting the thickness of the soft bulletproof area through design.
Description
Technical Field
The invention relates to the field of bulletproof plate protection, in particular to a bendable bulletproof plate and a preparation method thereof.
Background
The high-performance fiber bulletproof plate is formed by laminating high-performance fiber yarns treated by a special process, the laminated bulletproof plate is a hard bulletproof plate, is hard and cannot be bent forcibly, but in order to meet the installation requirements of various components in different shapes, the bending of the traditional hard bulletproof plate is realized by the following two modes:
mode 1: the installation of different angles between the unit bulletproof plates is realized by metal riveting or adhesive bonding, so as to achieve the purpose of bending; mode 2: a specific angle press mold was developed to fulfill the installation requirements.
However, the two methods have obvious defects: in the mode 1, the unit plates are connected with gaps, and the connection part has no protection capability; mode 2 has high mold cost and single installation angle.
Disclosure of Invention
The invention aims at overcoming the defects in the prior art, and provides a bendable bulletproof plate and a preparation method thereof, wherein the bulletproof plate can realize seamless connection of a soft bulletproof region and a hard bulletproof region by arranging at least one soft bulletproof region (namely a bending region) and at least two hard bulletproof regions (namely the bulletproof plate), and can realize 360-degree bending by adjusting the thickness of the soft bulletproof region through design.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The invention provides a bendable bulletproof plate, which comprises at least one soft bulletproof area and at least two hard bulletproof areas, wherein the soft bulletproof areas are arranged between two adjacent hard bulletproof areas, the thickness of each hard bulletproof area is smaller than that of each soft bulletproof area, and the bendable bulletproof plate is made of PE UD composite cloth.
Preferably, the areal density of the soft and hard ballistic resistant zones is in the range of 4.0-6.0kg/m 2.
Preferably, the soft ballistic resistant zone has a thickness of 6-10mm; the thickness of the hard bulletproof area is 4-5mm.
The second aspect of the present invention provides a method for manufacturing the bendable bulletproof plate, comprising the following steps:
S1, preparing a mould pressing backing plate: producing and cutting according to the size to obtain a mould pressing backing plate with a plurality of hollow groove structures;
S2, preparing a bendable bulletproof plate core material: preparing and cutting the ultra-high molecular weight polyethylene fiber serving as a material into a plurality of layers of bulletproof materials with the same size as the die pressing backing plate prepared in the step S1, and paving the plurality of layers of bulletproof material laminates into a bulletproof plate core material;
S3, press forming: and (2) respectively filling the upper part and the lower part of the bullet-proof plate core material paved in the step (S2) with the die-pressing backing plate manufactured in the step (S1), putting the die-pressing backing plate into a forming die, carrying out pressing treatment on the hollow groove of the die-pressing backing plate without stress, wherein the pressing temperature is 128-130 ℃, the forming pressure is 15-25MPa, the heat preservation and pressure maintaining time is 20-50min, so that the bendable bullet-proof plate is manufactured, the bullet-proof plate core material positioned in the hollow groove area is a soft bullet-proof area, and the bullet-proof plate core material positioned outside the hollow groove area and positioned between two adjacent die-pressing backing plates is a hard bullet-proof area.
Preferably, the method further comprises the step of S4, post-processing: and (3) removing burrs of the bendable bulletproof plate prepared in the step (S3), and beautifying and packaging according to requirements to form a finished product.
Preferably, in S1, the size of the molded pad is not less than 420mm by 420mm, and the thickness is 5-20mm.
Preferably, in S1, the width of the hollow groove is 35-45mm.
Preferably, in S2, the weight of the bulletproof plate core material is not more than 5.5kg/m 2, and the thickness is 4-6mm.
Preferably, in the step S4, the bendable bulletproof plate is externally sealed with waterproof polyester cloth after the burrs are removed.
Compared with the prior art, the invention has the following technical effects:
1. Compared with the traditional structure, the soft bulletproof area and the hard bulletproof area are connected in a seamless mode, so that the product has no protection blind spot, and the safety of a user is greatly improved;
2. The method can flexibly prepare the bendable bulletproof plates with different continuous shapes; meanwhile, the bendable bulletproof plates with different protection grades can be flexibly manufactured;
3. when the bendable bulletproof plate is pressed, the curvature of the mould pressing backing plate is single, but the bending at various angles can be realized, so that the production is simplified, the operation is convenient, the production efficiency is improved, the production process is more stable, and the product quality is also more stable.
Drawings
FIG. 1 is a schematic view of a bendable bulletproof plate of the present invention;
FIG. 2 is a schematic view of a molded pallet according to the present invention;
FIG. 3 is a schematic illustration of the press of the bendable bulletproof plate and the molded backing plate of the present invention;
FIG. 4 is a schematic view of the structure of the bulletproof board core material in the embodiment 1 of the present invention;
FIG. 5 is a schematic view of the structure of the bulletproof board core material in embodiment 2 of the present invention;
FIG. 6 is a schematic view showing the structure of the bulletproof board core material in embodiment 3 of the present invention;
FIG. 7 is a schematic view of the structure of the bulletproof board core material in embodiment 4 of the present invention;
FIG. 8 is a bar graph of GA 2-level ballistic tests performed on flexible ballistic panels of examples 1-3 of this invention;
Wherein each reference sign is as follows:
1-soft ballistic zones; 2-hard ballistic zones; 3-die pressing a backing plate; 4-hollow groove.
Detailed Description
The invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
Example 1
( Bendable bulletproof plate: GA2 grade, 4.5kg/m 2, bending width 35mm, bending area number: 1 )
As shown in fig. 4, the method for manufacturing the bendable bulletproof plate of the present embodiment includes the following steps:
s1, preparing a mould pressing backing plate 3: producing and cutting according to the designed size (more than or equal to 420 multiplied by 420 mm) to obtain a mould pressing backing plate 3 with a structure with a plurality of hollow grooves 4, wherein the thickness of the mould pressing backing plate 3 is 10mm, the width of the hollow grooves 4 is 35mm, the number of the hollow grooves 4 is 1, and the design number of the hollow grooves 4 can be determined according to the bending requirement;
s2, preparing a bendable bulletproof plate core material: according to the design requirement and the design thickness (the weight is not more than 4.5kg/m 2, the forming thickness is about 4 mm), taking ultra-high molecular weight polyethylene fiber as a material, preparing, cutting and fully overlapping a plurality of layers of bulletproof materials with the same size as the die pressing backing plate 3 into a bulletproof plate core material structure, wherein the surface density of a soft bulletproof area 1 and a hard bulletproof area 2 of the bulletproof plate core material is 4.5kg/m 2;
S3, press forming: placing the laid bullet-proof plate core material structure into a forming die after each of the upper pad and the lower pad is provided with a designed and produced die pressing pad 3, and pressing according to a pressing process, wherein the pressing temperature is 128 ℃, the forming pressure is 15MPa, and the heat preservation and pressure maintaining time is 20min, so as to obtain the bendable bullet-proof plate;
S4, post-processing: removing burrs of the bulletproof plate, beautifying and packaging according to requirements to form a finished product.
Example 2
( Bendable bulletproof plate: GA2 grade, 5kg/m 2, bending width 35mm, bending area number: 1 )
As shown in fig. 5, the method for manufacturing the bendable bulletproof plate according to the embodiment includes the following steps:
S1, preparing a mould pressing backing plate 3: producing and cutting according to the designed size (more than or equal to 420 multiplied by 420 mm) to obtain a mould pressing backing plate 3 with a structure with a plurality of hollow grooves 4, wherein the thickness of the mould pressing backing plate 3 is 20mm, the width of the hollow grooves 4 is 35mm, the number of the hollow grooves 4 is 1, and the design number of the hollow grooves 4 can be determined according to bending requirements;
S2, preparing a bendable bulletproof plate core material: according to design requirements and design thickness (the weight is not more than 5.0kg/m 2, and the forming thickness is about 5 mm), taking ultra-high molecular weight polyethylene fiber as a material, preparing, cutting and fully overlapping a plurality of layers of bulletproof materials with the same size as a mould pressing backing plate 3 to form a bulletproof plate core material structure, wherein the surface density of a soft bulletproof area 1 and a hard bulletproof area 2 of the bulletproof plate core material is 5.0kg/m 2;
s3, press forming: placing the laid bullet-proof plate core material structure into a forming die after each of the upper pad and the lower pad is provided with a designed and produced die pressing pad 3, and pressing according to a pressing process, wherein the pressing temperature is 129 ℃, the forming pressure is 17MPa, and the heat preservation and pressure maintaining time is 40min, so that the bendable bullet-proof plate is obtained;
S4, post-processing: removing burrs of the bulletproof plate, beautifying and packaging according to requirements to form a finished product.
Example 3
( Bendable bulletproof plate: GA2 grade, 5.5kg/m 2, bending width 35mm, bending area number: 1 )
As shown in fig. 6, the method for manufacturing the bendable bulletproof plate of the embodiment includes the following steps:
S1, preparing a mould pressing backing plate 3: producing and cutting according to the designed size (more than or equal to 420 multiplied by 420 mm) to obtain a mould pressing backing plate 3 with a structure with a plurality of hollow grooves 4, wherein the thickness of the mould pressing backing plate 3 is 15mm, the width of the hollow grooves 4 is 35mm, the number of the hollow grooves 4 is 1, and the design number of the hollow grooves 4 is determined according to the bending requirement;
S2, preparing a bendable bulletproof plate core material: according to design requirements and design thickness (the weight is not more than 5.5kg/m 2 and the forming thickness is about 6 mm), taking ultra-high molecular weight polyethylene fiber as a material, preparing, cutting and fully overlapping a plurality of layers of bulletproof materials with the same size as the die pressing backing plate 3 to form a bulletproof plate core material structure, wherein the surface density of a soft bulletproof area 1 and a hard bulletproof area 2 of the bulletproof plate core material is 5.5kg/m 2;
S3, press forming: placing the laid bullet-proof plate core material structure into a forming die after each of the upper pad and the lower pad is provided with a designed and produced die pressing pad 3, and pressing according to a pressing process, wherein the pressing temperature is 130 ℃, the forming pressure is 25MPa, and the heat preservation and pressure maintaining time is 50min, so that the bendable bullet-proof plate is obtained;
S4, post-processing: removing burrs of the bulletproof plate, beautifying and packaging according to requirements to form a finished product.
The structural tests were performed on examples 1-3, and the GA 2-grade (GA 141-2010 standard, grade 2) ballistic V50 test was performed on hard ballistic zone 2 and soft ballistic zone 1, respectively. The results are shown in FIG. 8.
As can be seen from fig. 8, 1, the elastic resistance of the soft bulletproof region 1 of the bendable board is reduced by 13% on average than that of the hard bulletproof region 2 in the invention; 2. according to the invention, the bendable bulletproof plate is resistant to GA2 level protection, the soft bulletproof area 1 is best ensured to be 5.5kg/m 2 in terms of protection surface density, and the hard bulletproof area 2 is sufficient in terms of protection surface density of 4.5kg/m 2, and the sufficient allowance is left.
Examples 1 to 3 were obtained by quantifying how much the ballistic performance of the soft ballistic region 1 was reduced. Whereby a more appropriate parameter setting was used in example 4.
Example 4
( Bendable bulletproof plate: GA2 grade, 4.2kg/m 2, bending width 40mm, bending area number: 12 )
The manufacturing method of the bendable bulletproof plate comprises the following steps:
S1, preparing a mould pressing backing plate 3: producing and cutting according to the designed size (more than or equal to 420 multiplied by 420 mm) to obtain a mould pressing backing plate 3, wherein the thickness of the mould pressing backing plate 3 is 20mm, the width of the hollow grooves 4 is 40mm, the number of the hollow grooves 4 is 12, and the design number of the hollow grooves 4 can be determined according to the bending requirement;
S2, preparing a bendable bulletproof plate core material: preparing, cutting multi-layer bulletproof materials with various sizes by taking ultra-high molecular weight polyethylene fibers as materials according to design requirements and design thickness (the weight is not more than 4.2kg/m 2 and the forming thickness is about 5 mm), and paving the multi-layer materials into a bulletproof board core material structure according to overlapping lamination shown in figure 7, wherein the surface density of a soft bulletproof area 1 of the bulletproof board core material is 6kg/m 2, and the surface density of a hard bulletproof area 2 is 4.0kg/m 2;
S3, press forming: placing the laid bullet-proof plate core material structure into a forming die after each of the upper pad and the lower pad is provided with a designed and produced die pressing pad 3, and pressing according to a pressing process, wherein the pressing temperature is 128 ℃, the forming pressure is 15MPa, and the heat preservation and pressure maintaining time is 45min, so that the bendable bullet-proof plate is prepared;
S4, post-processing: removing the burrs of the bulletproof plate, and sealing the waterproof polyester cloth to form a finished product.
It should be noted that, in order to thicken the soft bulletproof area 1 and improve the bulletproof capability of the soft bulletproof area 1, 12 soft bulletproof areas 1 are overlapped by 12 parts, and the specific process is as follows: the 240g/m 2 PE UD composite cloth with the single-layer surface density is selected, 17 layers of the material are paved in the hard bulletproof area 2 (namely, the surface density of the hard bulletproof area 2 is 4.0kg/m 2), 25 layers of the material are paved in the soft bulletproof area 1 (namely, the surface density of the hard area is 6.0kg/m 2), and compared with the hard bulletproof area 2, 220g/m 2 PE UD composite cloth is paved in the 8 layers of the soft bulletproof area 1, so that 8 layers (shown in figure 7) of the soft bulletproof area 1 are overlapped in the multi-layer structure, and 1 layer is overlapped at intervals until 8 layers are overlapped in the multi-layer structure. The lap joint is continuously carried out on 12 soft bulletproof areas 1 respectively as above, and 8 layers of soft bulletproof areas 1 are lapped at each position.
The hollow groove 4 is spaced from the outer peripheral dimension of the die pad 3.
Application example
The structural test was performed for example 4, and GA2 (GA 141-2010 standard, grade 2) ballistic resistance tests were performed for hard ballistic zone 2 and soft ballistic zone 1, respectively.
The results were as follows: the V50 value of the hard ballistic region 2 was 515m/s, the V50 value of the soft ballistic region 1 was 530m/s, which is much greater than the GA141-2010 standard, the ballistic velocity 445m/s specified in class 2. Wherein the hard bulletproof area 2 exceeds the standard value of 70m/s, and the soft bulletproof area 1 exceeds the standard value of 85m/s.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the teachings of the present invention, which are intended to be included within the scope of the invention.
Claims (3)
1. The bendable bulletproof plate is characterized by comprising at least one soft bulletproof area (1) and at least two hard bulletproof areas (2), wherein the soft bulletproof areas (1) are arranged between two adjacent hard bulletproof areas (2), the thickness of each hard bulletproof area (2) is smaller than that of each soft bulletproof area (1), and the bendable bulletproof plate is made of PEUD composite cloth;
the preparation method of the bendable bulletproof plate comprises the following steps:
S1, preparing a mould pressing backing plate (3): producing and cutting according to the size to obtain a mould pressing backing plate (3) with a plurality of hollow groove (4) structures;
S2, preparing a bendable bulletproof plate core material: preparing and cutting ultra-high molecular weight polyethylene fibers serving as a material into a plurality of layers of bulletproof materials with the same size as the die pressing backing plate (3) prepared in the step S1, and paving the plurality of layers of bulletproof material laminates into a bulletproof plate core material;
s3, press forming: the mould pressing backing plates (3) manufactured in the step S1 are respectively padded on the upper part and the lower part of the bullet-proof plate core material paved in the step S2, the mould pressing backing plates are placed into a forming mould, the hollow grooves (4) of the mould pressing backing plates (3) are not stressed and are subjected to pressing treatment, the pressing temperature is 128-130 ℃, the forming pressure is 15-25MPa, the heat preservation and pressure maintaining time is 20-50min, the bendable bullet-proof plates are manufactured, the bullet-proof plate core material positioned in the area of the hollow grooves (4) is a soft bullet-proof area (1), and the bullet-proof plate core material positioned outside the area of the hollow grooves (4) and positioned between the two adjacent mould pressing backing plates (3) is a hard bullet-proof area (2);
In the S1, the size of the mould pressing backing plate (3) is not less than 420mm, 420mm is adopted, the thickness is 5-20mm, and the width of the hollow groove (4) is 35-45mm; s2, the weight of the bulletproof plate core material is not more than 5.5kg/m 2, and the thickness of the bulletproof plate core material is 4-6mm; the surface density of the soft bulletproof area (1) and the hard bulletproof area (2) is 4.0-6.0kg/m 2; the thickness of the soft bulletproof area (1) is 6-10mm; the thickness of the hard bulletproof area (2) is 4-5mm;
And S2, preparing, cutting and overlapping and laminating multiple layers of bulletproof materials with various sizes into a bulletproof plate core material structure, wherein the surface density of a soft bulletproof area (1) of the bulletproof plate core material is greater than that of a hard bulletproof area (2), the soft bulletproof area (1) is paved with multiple layers more than the hard bulletproof area (2), and overlapping layers at intervals.
2. The bendable bulletproof plate of claim 1, further comprising step S4, post-processing: and (3) removing burrs of the bendable bulletproof plate prepared in the step (S3), and beautifying and packaging according to requirements to form a finished product.
3. The flexible ballistic panel of claim 2 wherein in S4 the flexible ballistic panel is over-sealed with a waterproof dacron after flash removal.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011325072.5A CN112304161B (en) | 2020-11-23 | 2020-11-23 | Bendable bulletproof plate and preparation method thereof |
| KR1020227019934A KR20220112256A (en) | 2020-11-23 | 2021-08-05 | Bendable bulletproof plate and manufacturing method thereof |
| PCT/CN2021/110822 WO2022105310A1 (en) | 2020-11-23 | 2021-08-05 | Bendable bulletproof plate and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011325072.5A CN112304161B (en) | 2020-11-23 | 2020-11-23 | Bendable bulletproof plate and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112304161A CN112304161A (en) | 2021-02-02 |
| CN112304161B true CN112304161B (en) | 2024-06-18 |
Family
ID=74335496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011325072.5A Active CN112304161B (en) | 2020-11-23 | 2020-11-23 | Bendable bulletproof plate and preparation method thereof |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR20220112256A (en) |
| CN (1) | CN112304161B (en) |
| WO (1) | WO2022105310A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112304161B (en) * | 2020-11-23 | 2024-06-18 | 上海斯瑞科技有限公司 | Bendable bulletproof plate and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1971199A (en) * | 2006-12-25 | 2007-05-30 | 张振民 | Light flexible synergic bulletproof anti-puncturing chip and method for manufacturing same |
| CN213841901U (en) * | 2020-11-23 | 2021-07-30 | 上海斯瑞科技有限公司 | Bendable bulletproof plate |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9200872B1 (en) * | 2011-06-17 | 2015-12-01 | David J. Millar | Hard soft ballistic armor |
| CN102620606A (en) * | 2012-04-01 | 2012-08-01 | 北京同益中特种纤维技术开发有限公司 | Soft bulletproof plate |
| US9441920B2 (en) * | 2014-08-27 | 2016-09-13 | David Fryderyk Fernandez | Armor materials and structures and methods |
| CN205014898U (en) * | 2015-08-05 | 2016-02-03 | 北京普凡防护科技有限公司 | Light armour |
| CN205929507U (en) * | 2016-05-30 | 2017-02-08 | 苏州高甲防护科技有限公司 | Flexible shellproof sheet of preventing stinging |
| CN112304161B (en) * | 2020-11-23 | 2024-06-18 | 上海斯瑞科技有限公司 | Bendable bulletproof plate and preparation method thereof |
-
2020
- 2020-11-23 CN CN202011325072.5A patent/CN112304161B/en active Active
-
2021
- 2021-08-05 KR KR1020227019934A patent/KR20220112256A/en not_active Application Discontinuation
- 2021-08-05 WO PCT/CN2021/110822 patent/WO2022105310A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1971199A (en) * | 2006-12-25 | 2007-05-30 | 张振民 | Light flexible synergic bulletproof anti-puncturing chip and method for manufacturing same |
| CN213841901U (en) * | 2020-11-23 | 2021-07-30 | 上海斯瑞科技有限公司 | Bendable bulletproof plate |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20220112256A (en) | 2022-08-10 |
| WO2022105310A1 (en) | 2022-05-27 |
| CN112304161A (en) | 2021-02-02 |
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