CN102555353B - The manufacture method of bulletproof halmet and the bulletproof halmet by its manufacture - Google Patents
The manufacture method of bulletproof halmet and the bulletproof halmet by its manufacture Download PDFInfo
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- CN102555353B CN102555353B CN201110456532.2A CN201110456532A CN102555353B CN 102555353 B CN102555353 B CN 102555353B CN 201110456532 A CN201110456532 A CN 201110456532A CN 102555353 B CN102555353 B CN 102555353B
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
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- 239000000463 material Substances 0.000 claims abstract description 34
- 230000002787 reinforcement Effects 0.000 claims abstract description 26
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 238000007731 hot pressing Methods 0.000 claims abstract description 15
- 239000002952 polymeric resin Substances 0.000 claims abstract description 15
- 238000000465 moulding Methods 0.000 claims abstract description 11
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 8
- 239000003365 glass fiber Substances 0.000 claims description 20
- 229920001187 thermosetting polymer Polymers 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 14
- 238000010792 warming Methods 0.000 claims description 13
- 239000003822 epoxy resin Substances 0.000 claims description 8
- 229920000647 polyepoxide Polymers 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 229920002313 fluoropolymer Polymers 0.000 claims description 6
- 239000004811 fluoropolymer Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 229920006305 unsaturated polyester Polymers 0.000 claims description 6
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 239000005007 epoxy-phenolic resin Substances 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 229920001567 vinyl ester resin Polymers 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- 239000000835 fiber Substances 0.000 abstract description 32
- 239000003973 paint Substances 0.000 abstract description 12
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- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 241000404144 Pieris melete Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
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Landscapes
- Helmets And Other Head Coverings (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention provides a kind of bulletproof halmet and manufacture method thereof, belong to physical protection articles for use technical field.Described bulletproof halmet with PE fiber embed thermoplastic polymer resin without latitude cloth for internal layer main material, surfaces externally and internally spread cover reinforcement material.Inside and outside layer spreads the reinforcement material covered makes helmet integral rigidity further improve, and makes the bullet of penetration be easier to distortion, more penetrativity can not occur.This helmet no longer needs to carry out complicated surface treatment, enhances the adhesive force of coating paint.The whole pressing process of the helmet of the present invention has been come by preforming operation and molding procedure, use hot pressing die and cold stamping die respectively, make production efficiency at least improve 1 times, and solve prior art and need repeatedly to heat up the energy consumption issues brought of lowering the temperature to mould.
Description
Technical field
The present invention relates to a kind of bulletproof halmet and preparation method thereof, particularly at surfaces externally and internally paving bulletproof halmet covering reinforcement material and preparation method thereof.
Background technology
Bulletproof halmet is a kind of important Individual Protection Kit.Modern bulletproof halmet experienced by the evolution from steel helmet to fibre reinforced composites.In the nonmetal helmet kind of fiber-reinforced composite, mainly contain the glass fibre helmet, the polyamide fibre helmet, arylon helmet, the ultra-high molecular weight polyethylene helmet etc.
World War I, during the Second World War, the helmet of various countries' equipment is mainly stamped to form with potassium steel or other special steels, heavier, shellproof and heat-proof quality is poor, wears uncomfortable, the secondary fragment danger of hurting sb.'s feelings in addition.The overall ballistic performance that the glass fibre helmet and nylon fibre strengthen the compound helmet is not high.The 20 century 70 U.S. start to apply aramid fiber development bulletproof halmet, and nineteen eighty-three goes into operational service, and this type of helmet is also extensively equipped by NATO Force.From late 1980s, superhigh molecular weight polyethylene fibers (herein referred to as " PE fiber ") starts into bulletproof halmet field.
At present, the material of the nonmetal bulletproof helmet mainly adopts second generation aramid fiber and PE fiber.But the price comparison of aramid fiber is expensive, be unfavorable for a large amount of market application.PE fiber is a kind of high-tech product of the world today, and having high strength, high-modulus, high tenacity, low-density feature, is the high-performance fiber that world today's specific strength is the highest, is the important foundation material of national security and the national economic development of concerning.Current China superhigh molecular weight polyethylene fibers industry constantly promotes, and its quality fully reaches shellproof requirement.
In cephalic protection, PE fiber compacting helmet quality is lighter.Because the cervical vertebra ability to bear of people is limited, so the development of the PE fiber helmet is just obtaining more and more many attention.In Protection Product day by day intelligentized today, along with the introducing of the annexes such as communication apparatus, the light and thin advantage of the PE fiber helmet is especially for cephalic protection opens a new way.Research shows, under the same conditions, superhigh molecular weight polyethylene fibers compares the fabric of other various version without latitude cloth (being called for short " PE is without latitude cloth " herein), and its bulletproof effect is best.Without latitude cloth be by American Association signal (AlliedSignal) company invent technology, also known as unidirectional array technology.When preparing shellproof finished product, by multilayer without the superposition of latitude cloth, be placed in mould, hot-forming under uniform temperature and pressure, be adjacently arranged in non-zero angle without latitude measuring fiber.Owing to being " unidirectional array " without the form of latitude cloth, the moment range of scatter being conducive to shock wave increases, and produces collaborative bulletproof effect, so the fibre structure first-selection of PE fiber bulletproof helmet is without latitude cloth.
At present, mostly PE is to adopt PE fiber bag to embed in polymer thermoplastic matrix without latitude cloth.Because the modulus of these polymer thermoplastic matrixes is smaller, use the helmet of this material compacting in hardness, there is certain deficiency so simple.Existing bulletproof halmet normally covers ballistic fiber woven fabric inside and outside surface paving to carry out hot pressing and processes, PE can be prevented without PE fiber stripped thread in latitude cloth although superficial layer spreads the woven fabric covered, but product surface needs just can reach requirement through sandblasting, the processing method of scraping equality complexity, and the adhesive force of surface coating paint is little.
In addition, existing bulletproof halmet production technology, whole pressing process completes on same mould.This process need to the repeated multiple times heat temperature raising of this mould, cool.Process like this certainly can bring huge energy loss, causes helmet processing cost higher.And heating, cooling repeatedly needs long time, cause the production cycle of the helmet long, production efficiency is low.
Summary of the invention
The object of the invention is to solve above-mentioned deficiency, provide a kind of bulletproof halmet and preparation method thereof.Cover reinforcement material by the surfaces externally and internally paving at the helmet, not only increase the hardness of the helmet, strengthen the adhesive force of coating paint, the helmet surface processing time can also be shortened, enhance productivity, cut down finished cost.
Bulletproof halmet of the present invention spreads without the inside and outside surperficial of the latitude cloth preformed helmet reinforcement material covering the high strength glass fiber fabric of impregnated with thermoset fluoropolymer resin at PE, formed through hot pressing.
Bulletproof halmet surface of the present invention spreads the reinforcement material covered makes the bullet of bullet be easier to distortion, effectively prevents the helmet from being penetrated by bullet.Meanwhile, bulletproof halmet of the present invention also has good defending performance to fragmentation.
Glass fabric in above-mentioned reinforcement material is plain weave, and warp, the broadwise tension failure brute force of this glass fabric are greater than 1600N/25mm, and density is preferably 150 ~ 200g/m
2.Thermoset polymer resin can be vinyl esters, unsaturated polyester (UP), epoxy resin or phenolic resin, and be preferably epoxy resin, the content of preferred thermoset polymer resin in reinforcement material is 30 ~ 35 % by weight.
In addition, the manufacture method of bulletproof halmet of the present invention comprises the following steps:
(1) 28 ~ 33 layers of PE are carried out cutting without latitude cloth according to the shape of the required helmet and size, intersect neatly superimposed;
(2) put into hot pressing preforming tool, be warming up to 90 ~ 100 DEG C, pressure 5 ~ 10MPa, heat-insulation pressure keeping makes PE soften without the thermoplastic polymer resin in latitude cloth for 5 ~ 10 minutes;
(3) taking-up puts into preforming tool of colding pressing rapidly, pressure 5 ~ 10MPa, keeps 5 ~ 10 minutes, makes the helmet obtain preformed;
(4) reinforcement material of the high strength glass fiber fabric of impregnated with thermoset fluoropolymer resin is covered the surfaces externally and internally paving of the preformed helmet;
(5) heat pressing and molding mold put into by helmet paving being covered reinforcement material, is warming up to 120 ~ 125 DEG C, boosts to 25 ~ 30MPa, and constant temperature and pressure keeps 10 ~ 15 minutes;
(6) taking-up puts into rapidly cold pressing forming mould cooling and shaping, pressure 25 ~ 30MPa, keeps 10 ~ 15 minutes, obtained helmet shell.
The manufacture method of bulletproof halmet of the present invention is divided into two steps pressing process and has come, and is respectively preforming operation and molding procedure.Owing to have employed heating preforming tool and cooling preforming tool in the preforming operation of above-mentioned steps (2), (3) respectively, hot briquetting mould and cooling forming mould is have employed respectively in the molding procedure of above-mentioned steps (5), (6), can produce with the continuous seepage step of production line mode, decrease the heating, cooling process of mould, the production efficiency of the helmet not only improved, shorten the production cycle, significantly can also reduce energy consumption, cut down finished cost.
Compared with prior art, tool of the present invention has the following advantages:
(1) the present invention is owing to adopting PE to be material of main part without latitude cloth, and the helmet produced is lightweight, comfortable wearing.
(2) ectonexine spreads the reinforcement material covered the integral rigidity of the helmet is further improved, and under the prerequisite not increasing helmet weight, protective capacities is stronger, makes the bullet of bullet be easier to distortion, more penetrativity can not occur.
(3) ectonexine spreads the reinforcement material covered and makes the helmet no longer need to carry out complicated surface treatment, enhances the adhesive force of coating paint.
(4) the whole pressing process of the helmet has been come by preforming operation and molding procedure, uses hot pressing die and cold stamping die respectively, makes production efficiency at least improve 1 times, and decrease energy consumption, reduce processing cost.
Detailed description of the invention
Bulletproof halmet of the present invention spreads without the inside and outside surperficial of the latitude cloth preformed helmet reinforcement material covering the high strength glass fiber fabric of impregnated with thermoset fluoropolymer resin at PE, formed through hot pressing.The helmet of the present invention is formed without latitude cloth primarily of PE, carries out cutting, intersect neatly superimposed by the PE of the high strength and modulus of certain number of plies without latitude cloth according to the shape of the required helmet and size; Then the preformed carried out hot pressing and cold pressing, obtains the preformed helmet.
Wherein, according to the weight of the final helmet and the composite request of ballistic performance, preferred PE is 28 ~ 33 layers without the number of plies of latitude cloth.In hot pressing preform process, preferably by temperature to 90 ~ 100 DEG C in hot pressing preforming tool, pressure is 5 ~ 10MPa, heat-insulation pressure keeping 5 ~ 10 minutes, thus PE is softened without the thermoplastic polymer resin in latitude cloth.Then, put into preforming tool of colding pressing rapidly, with the pressure of 5 ~ 10MPa, keep 5 ~ 10 minutes, make the helmet obtain preformed.
Then, the reinforcement material of the high strength glass fiber fabric of impregnated with thermoset fluoropolymer resin is covered the surfaces externally and internally paving of the preformed helmet.The helmet that paving covers reinforcement material is put into heat pressing and molding mold, is warming up to 120 ~ 125 DEG C, boosts to 25 ~ 30MPa, constant temperature and pressure keeps 10 ~ 15 minutes; Take out and put into rapidly cold pressing forming mould cooling and shaping, pressure 25 ~ 30MPa, keep 10 ~ 15 minutes, obtained helmet shell.
The glass fabric of the high strength in the present invention is the fabric adopting the glass fibre of high strength to be made into.The feature of high-strength glass fibre is high strength, high-modulus, and its ultimate fibre tensile strength is 2800MPa, higher than alkali-free glass fiber tensile strength by about 25%, and elastic modelling quantity 86000MPa is higher than the intensity of E-glass fibre.Glass fabric is preferably plain weave, and the warp of this glass fabric, broadwise tension failure brute force are greater than 1600N/25mm, and density is preferably 150 ~ 200g/m
2.
The thermoset polymer resin flooded high strength glass fiber fabric can be vinyl esters, unsaturated polyester (UP), epoxy resin or phenolic resin, is preferably epoxy resin.The content of thermoset polymer resin is preferably 30 ~ 35 % by weight of reinforcement material.High strength glass fiber can be knitted and impregnated in thermoset polymer resin, or thermoset polymer resin is coated on the whole surface of high strength glass fiber fabric by modes such as brushing, sprayings.
Existing bulletproof halmet normally covers ballistic fiber woven fabric inside and outside surface paving to carry out hot pressing and processes, and ballistic fiber woven fabric is wherein the fabric adopting ballistic fiber to be made into, and ballistic fiber is exactly aramid fiber, PE fiber etc.Helmet surface layer paving cover ballistic fiber woven fabric although PE can be prevented without latitude cloth in PE fiber stripped thread, product surface needs just can reach requirement through sandblasting, the processing method of scraping equality complexity, and the adhesive force of surface coating paint is little.Compared with existing bulletproof halmet, tool of the present invention has the following advantages:
(1) the present invention is owing to adopting PE to be material of main part without latitude cloth, and the helmet produced is lightweight, comfortable wearing.
(2) ectonexine spreads the reinforcement material covered the integral rigidity of the helmet is further improved, and under the prerequisite not increasing helmet weight, makes the bullet of bullet be easier to distortion, more penetrativity can not occur.
(3) ectonexine spreads the reinforcement material covered and makes the helmet no longer need to carry out complicated surface treatment, enhances the adhesive force of coating paint.
(4) the whole pressing process of the helmet has been come by preforming operation and molding procedure, uses hot pressing die and cold stamping die respectively, makes production efficiency at least improve 1 times, and decrease energy consumption, reduce processing cost.
Embodiment 1:
Will by inspiring confidence in Thailand
board superhigh molecular weight polyethylene fibers 32 layers of preparing protect star
board high performance PE carries out cutting without latitude cloth according to the shape of the required helmet and size, intersects neatly superimposed; Put into hot pressing preforming tool, be warming up to 90 DEG C, pressure 10MPa, heat-insulation pressure keeping makes PE soften without the thermoplastic resin polymer in latitude cloth for 10 minutes; Take out and put into preforming tool of colding pressing rapidly, pressure 10MPa, keep 5 minutes, make the helmet obtain preformed; Cover the inside and outside surface paving of the preformed helmet reinforcement material that epoxy resin content is the high strength glass fiber fabric of 30%, fabric surface density is 175g/m
2; Put into heat pressing and molding mold, be warming up to 123 DEG C, boost to 28MPa, constant temperature and pressure keeps 15 minutes; Take out and put into rapidly cold pressing forming mould cooling and shaping, pressure 28MPa, keep 10 minutes, obtained helmet shell.After the simple process of surface, spraying paint film.By this production method, per hourly can suppress 3 top helmet shells, namely suppressing 1 top helmet shell only needs 20 minutes.Meanwhile, the surface treatment of often pushing up helmet shell only needs 3 minutes.
The helmet shell weight of the obtained helmet is 1.10Kg.
Embodiment 2:
Will by inspiring confidence in Thailand
board superhigh molecular weight polyethylene fibers 28 layers of preparing protect star
board high performance PE carries out cutting without latitude cloth according to the shape of the required helmet and size, intersects neatly superimposed; Put into hot pressing preforming tool, be warming up to 95 DEG C, pressure 8MPa, heat-insulation pressure keeping makes PE soften without the thermoplastic polymer resin in latitude cloth for 10 minutes; Take out and put into preforming tool of colding pressing rapidly, pressure 5MPa, keep 10 minutes, make the helmet obtain preformed; Cover the inside and outside surface paving of the preformed helmet high strength glass fiber fabric reinforcement material that epoxy resin content is 30%, fabric surface density is 175g/m
2; Put into heat pressing and molding mold, be warming up to 123 DEG C, boost to 28MPa, constant temperature and pressure keeps 15 minutes; Take out and put into rapidly cold pressing forming mould cooling and shaping, pressure 28MPa, keep 10 minutes, obtained helmet shell.
The helmet shell weight of the obtained helmet is 1.07Kg.
Embodiment 3:
Will by inspiring confidence in Thailand
board superhigh molecular weight polyethylene fibers 32 layers of preparing protect star
board high performance PE carries out cutting without latitude cloth according to the shape of the required helmet and size, intersects neatly superimposed; Put into hot pressing preforming tool, be warming up to 100 DEG C, pressure 5MPa, heat-insulation pressure keeping makes PE soften without the thermoplastic polymer resin in latitude cloth for 10 minutes; Take out and put into preforming tool of colding pressing rapidly, pressure 10MPa, keep 8 minutes, make the helmet obtain preformed; Cover the inside and outside surface paving of the preformed helmet high strength glass fiber fabric reinforcement material that epoxy resin content is 30%, fabric surface density is 175g/m
2; Put into heat pressing and molding mold, be warming up to 123 DEG C, boost to 28MPa, constant temperature and pressure keeps 15 minutes; Take out and put into rapidly cold pressing forming mould cooling and shaping, pressure 28MPa, keep 10 minutes, obtained helmet shell.
The helmet shell weight of the obtained helmet is 1.09Kg.
Contrast test mode
Comparative example A:
Will by inspiring confidence in Thailand
board superhigh molecular weight polyethylene fibers 32 layers of preparing protect star
board high performance PE carries out cutting without latitude cloth according to the shape of the required helmet and size, intersects neatly superimposed; Put into mould, be warming up to 95 DEG C, pressure 10MPa, heat-insulation pressure keeping 10 minutes, then cool to 50 DEG C of die sinkings taking-up helmets.The heating, cooling of this process needs 12 minutes respectively; Superhigh molecular weight polyethylene fibers fabric is covered the inside and outside surface paving of the helmet; Put into mould, be warming up to 123 DEG C, boost to 28MPa, constant temperature and pressure keeps 15 minutes, then cools to 50 DEG C of die sinkings, obtained helmet shell.The heating, cooling of this process needs 20 minutes respectively.After the complex process of surface, spraying paint film.By this production method, compacting 1 top helmet shell needs about 50 ~ 55 minutes.Meanwhile, the surface treatment of often pushing up helmet shell needs 12 minutes.
The helmet shell weight of the obtained helmet is 1.09Kg.
Result
Live shell test is carried out to the helmet of the present invention (embodiment 1 and embodiment 2), 1.1g has been carried out to the helmet of the present invention (embodiment 3) and simulates fragmentation V50 test and the lateral rigidity of the helmet of the present invention (embodiment 1) and the helmet of comparative example 1, paint film adhesion are tested.
The helmet that the present invention produces after testing, GA293-2001 standard pressed by the helmet of embodiment 1, by the detection at China Arms Industry bulletproof device material amount supervisory detection center, penetrating of the 51 formula 7.62mm pistol cartridges that China's system 54 formula 7.62mm pistol can be stoped to launch, maximum shoot mark height is less than 11mm.The helmet of embodiment 2 presses NIJ0106.01 standard by U.S. White test in laboratory, can stop penetrating of NIJIIIA.44Magnum bullet.The helmet of embodiment 3 is according to MIL-STD-662F standard, and by the detection at China Arms Industry bulletproof device material amount supervisory detection center, can simulate fragmentation by anti-1.1g, V50 value is 680m/s, reaches America NI J standard and GJB.
Helmet lateral rigidity and the test of surperficial paint film adhesion are carried out according to GB2812-89, GB/T1720 respectively.Test result show the rigidity of the helmet of the present invention and paint film adhesion all be improved significantly.Test result is as shown in table 1, table 2.
Table 1. lateral rigidity test result
| The helmet | Maximum deformation quantity (mm) | Remaining deformation (mm) |
| Comparative example 1 | 37 | 13 |
| Embodiment 1 | 31 | 10.5 |
Table 2. paint film adhesion test result
| The helmet | Comparative example 1 | Embodiment 1 |
| Adhesive force grade | 2 | 4 |
Claims (9)
1. a manufacture method for bulletproof halmet, comprises the following steps:
(1) 28 ~ 33 layers of PE are carried out cutting without latitude cloth according to the shape of the required helmet and size, intersect neatly superimposed;
(2) put into hot pressing preforming tool, be warming up to 90 ~ 100 DEG C, pressure 5 ~ 10MPa, heat-insulation pressure keeping makes PE soften without the thermoplastic polymer resin in latitude cloth for 5 ~ 10 minutes;
(3) taking-up puts into preforming tool of colding pressing rapidly, pressure 5 ~ 10MPa, keeps 5 ~ 10 minutes, makes the helmet obtain preformed;
(4) reinforcement material of the high strength glass fiber fabric of impregnated with thermoset fluoropolymer resin is covered the surfaces externally and internally paving of the preformed helmet;
(5) heat pressing and molding mold put into by helmet paving being covered reinforcement material, is warming up to 120 ~ 125 DEG C, boosts to 25 ~ 30MPa, and constant temperature and pressure keeps 10 ~ 15 minutes;
(6) taking-up puts into rapidly cold pressing forming mould cooling and shaping, pressure 25 ~ 30MPa, keeps 10 ~ 15 minutes, obtained helmet shell.
2. the manufacture method of bulletproof halmet according to claim 1, is characterized in that: the described thermoset polymer resin content in described reinforcement material is 30 ~ 35 % by weight.
3. the manufacture method of bulletproof halmet according to claim 1, is characterized in that: the preforming tool in above-mentioned steps (2), (3) is respectively heating preforming tool and cooling preforming tool.
4. the manufacture method of bulletproof halmet according to claim 1, is characterized in that: the mould in above-mentioned steps (5), (6) is respectively hot briquetting mould and cooling forming mould.
5. the manufacture method of bulletproof halmet according to claim 1 or 2, is characterized in that: described thermoset polymer resin is at least one in vinyl esters, unsaturated polyester (UP), epoxy resin or phenolic resin.
6. the manufacture method of bulletproof halmet according to claim 1 or 2, is characterized in that: described high strength glass fiber fabric is plain weave, and be greater than 1600N/25mm through, broadwise tension failure brute force, density is 150 ~ 200g/m
2.
7. a bulletproof halmet spreads without the inside and outside surperficial of the latitude cloth preformed helmet reinforcement material covering the high strength glass fiber fabric of impregnated with thermoset fluoropolymer resin at PE, manufactured by manufacture method according to claim 5.
8. bulletproof halmet according to claim 7, is characterized in that: the described thermoset polymer resin content in described reinforcement material is 30 ~ 35 % by weight.
9. bulletproof halmet according to claim 7 or 8, is characterized in that: described high strength glass fiber fabric is plain weave, and warp, broadwise tension failure brute force are greater than 1600N/25mm, and density is 150 ~ 200g/m
2.
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| CN201110456532.2A CN102555353B (en) | 2011-12-30 | 2011-12-30 | The manufacture method of bulletproof halmet and the bulletproof halmet by its manufacture |
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| CN201110456532.2A CN102555353B (en) | 2011-12-30 | 2011-12-30 | The manufacture method of bulletproof halmet and the bulletproof halmet by its manufacture |
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| CN102555353B true CN102555353B (en) | 2015-11-25 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| ES1088508Y (en) * | 2013-05-13 | 2013-11-25 | Fedur Sa | ANTIFRAGMENT AND ANTIBALA HELMET |
| CN104154819B (en) * | 2013-05-14 | 2019-04-26 | 北京同益中新材料科技股份有限公司 | The polyethylene bulletproof composite helmet |
| CN105066785B (en) * | 2015-08-28 | 2017-05-31 | 北京普凡防护科技有限公司 | A kind of the aramid fiber bulletproof composite helmet and its forming method of special construction design |
| CN105216192B (en) * | 2015-09-07 | 2018-03-27 | 上海斯瑞科技有限公司 | A kind of bulletproof halmet and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1193724A (en) * | 1997-03-18 | 1998-09-23 | 李郁忠 | Bulletproof halmet of composite material |
| CN101749984A (en) * | 2009-11-03 | 2010-06-23 | 湖南中泰特种装备有限责任公司 | Method for producing anti-fragmentation helmet from high-strength and high-modulus polyethylene laid fabric |
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2011
- 2011-12-30 CN CN201110456532.2A patent/CN102555353B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1193724A (en) * | 1997-03-18 | 1998-09-23 | 李郁忠 | Bulletproof halmet of composite material |
| CN101749984A (en) * | 2009-11-03 | 2010-06-23 | 湖南中泰特种装备有限责任公司 | Method for producing anti-fragmentation helmet from high-strength and high-modulus polyethylene laid fabric |
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| CN102555353A (en) | 2012-07-11 |
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Address after: 100076 901 Workshop, No. 16 Zhonghe Street, Beijing Economic and Technological Development Zone Patentee after: Beijing Tong Yi Zhong new material Polytron Technologies Inc Address before: 100176 901 Workshop, No. 16 Zhonghe Street, Beijing Economic and Technological Development Zone Patentee before: Beijing Tongyizhong Specialty Fiber Technology & Development Co., Ltd. |