CN114216370A - Composite bulletproof helmet - Google Patents

Composite bulletproof helmet Download PDF

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Publication number
CN114216370A
CN114216370A CN202111578977.8A CN202111578977A CN114216370A CN 114216370 A CN114216370 A CN 114216370A CN 202111578977 A CN202111578977 A CN 202111578977A CN 114216370 A CN114216370 A CN 114216370A
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CN
China
Prior art keywords
fiber cloth
helmet
continuous carbon
carbon fiber
composite
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202111578977.8A
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Chinese (zh)
Other versions
CN114216370B (en
Inventor
阮志斌
李明范
栾丛丛
史玉林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Outong Shandong Textile Co ltd
Original Assignee
Yueqing Intelligent Equipment And Manufacturing Research Institute
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Priority to CN202111578977.8A priority Critical patent/CN114216370B/en
Publication of CN114216370A publication Critical patent/CN114216370A/en
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Publication of CN114216370B publication Critical patent/CN114216370B/en
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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
    • F41H1/00—Personal protection gear
    • F41H1/04—Protection helmets
    • F41H1/08—Protection helmets of plastics; Plastic head-shields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/51—Elastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/718—Weight, e.g. weight per square meter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/762—Self-repairing, self-healing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2571/00—Protective equipment
    • B32B2571/02—Protective equipment defensive, e.g. armour plates, anti-ballistic clothing

Abstract

The invention provides a composite material bulletproof helmet, and relates to the technical field of head protection equipment. The composite bulletproof helmet comprises a helmet body, a protective cover and a binding belt; the protective cover is connected to the front side surface of the helmet body, and the binding belt is connected to the bottom of the helmet body; the helmet body comprises an outer shell layer, a protective layer and an inner lining layer; the outer shell layer, the protective layer and the inner liner layer are sequentially attached and connected from outside to inside; the protective layer is made of various non-metal composite materials, including but not limited to carbon fiber cloth, Kevlar fiber cloth, or a composite material of the carbon fiber cloth and the Kevlar fiber cloth. The technical problem that in the prior art, once the helmet is damaged, the helmet can not be repaired directly on site due to the fact that the helmet needs to be repaired for a long time due to the performance of used materials is solved. The protective layer of the bulletproof helmet is made of carbon fiber and Kevlar fiber composite materials, and is fused with a self-repairing structure system, so that the bulletproof helmet is light in weight, high in strength and capable of self-repairing damage in situ.

Description

Composite bulletproof helmet
Technical Field
The invention relates to the technical field of head protection equipment, in particular to a composite material bulletproof helmet.
Background
The bulletproof helmet is key equipment for protecting army fighters and police, and can protect the head of a human body from being injured by fluid bullets, explosive fragments and the like. With the continuous progress of science and technology, bulletproof helmets are also continuously updated in an iterative way, and can be divided into three types, namely metal, nonmetal and metal and nonmetal composite, according to the material. Lightweight, high strength and comfort are inevitable development trends and requirements of bulletproof helmets, and new materials, new structures and new processes are key points for realizing the requirements.
The repair of the damaged bulletproof helmet plays an important role in prolonging the service life of the helmet, and the current helmet is limited by the performance of the used material, so once the helmet is damaged, the repair needs a long time, and the helmet cannot be directly repaired and used in an application field.
Disclosure of Invention
The invention aims to provide a composite bulletproof helmet, which aims to solve the technical problems that in the prior art, the helmet is limited by the performance of the used materials, and once the helmet is damaged, the helmet needs to be repaired for a long time and cannot be repaired directly on site.
The invention provides a composite bulletproof helmet which comprises a helmet body, a protective cover and a binding belt;
the protective cover is connected to the front side surface of the helmet body, and the binding belt is connected to the bottom of the helmet body;
the helmet body comprises an outer shell layer, a protective layer and an inner lining layer; the outer shell layer, the protective layer and the inner liner layer are sequentially attached and connected from outside to inside;
the protective layer is made of various non-metal composite materials, including but not limited to carbon fiber cloth, Kevlar fiber cloth, or a composite material of the carbon fiber cloth and the Kevlar fiber cloth.
Further, the protective layer is made of a composite material of continuous carbon fiber cloth and Kevlar fiber cloth;
the continuous carbon fiber cloth and the Kevlar fiber cloth are arranged in a crossed and laminated mode, and two adjacent layers of the Kevlar fiber cloth are perpendicularly arranged.
Further, the continuous carbon fiber cloth is formed by mixing solid continuous carbon fibers and hollow continuous carbon fibers;
the number ratio of the solid continuous carbon fibers to the hollow continuous carbon fibers in the continuous carbon fiber cloth is 2:1 to 4: 1.
Furthermore, the hollow continuous carbon fiber is a double-channel hollow continuous carbon fiber, two parallel hollow chambers are arranged inside the double-channel hollow continuous carbon fiber, and any one of A, B two-component quick-setting adhesives is arranged in each of the two hollow chambers;
wherein, the component A is acrylic acid modified epoxy, or epoxy resin, or contains a catalyst and other auxiliary agents;
the component B is modified amine or other hardening agent or contains catalyst.
Further, the hollow continuous carbon fiber is a single-channel hollow continuous carbon fiber, and a rapid solidification binder is filled in the hollow fiber of the single-channel hollow continuous carbon fiber;
the rapid solidification bonding agent is a mixture of alpha-ethyl cyanoacrylate, a tackifier, a stabilizer, a toughening agent and a polymerization inhibitor.
Furthermore, the continuous carbon fiber cloth is unidirectional continuous carbon fiber cloth.
Further, the outer shell layer is a high strength insulating material.
Further, the inner liner is made of an elastic material and is provided with holes on the surface, including but not limited to thermoplastic polyurethane elastomer rubber.
According to the bulletproof helmet made of the composite material, the protective cover is connected to the front side face of the helmet body, the binding belt is connected to the bottom of the helmet body, and the structural design of the whole helmet is humanized. The outer shell layer, the protective layer and the inner liner layer of the helmet body are sequentially attached from outside to inside, so that the inner part of the helmet body is reasonable in layered design, and the inner structure is high in strength. The protective layer is made of various non-metal composite materials, including but not limited to carbon fiber cloth, or Kevlar fiber cloth, or a composite material of the carbon fiber cloth and the Kevlar fiber cloth.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic illustration of a composite ballistic helmet in an embodiment of the invention;
fig. 2 is a partial cross-sectional view of a composite ballistic helmet in an embodiment of the invention;
FIG. 3 is a schematic view of a first protective layer according to an embodiment of the present invention;
FIG. 4 is a diagram of a second protective layer according to an embodiment of the present invention.
Icon:
100-a helmet body; 200-a protective cover; 300-a strap;
101-an outer shell layer; 102-a protective layer; 103-an inner liner layer;
1021-Kevlar fiber cloth; 1022-solid continuous carbon fibers;
1023-two-pass hollow continuous carbon fiber; 1024-single channel hollow continuous carbon fiber.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, the composite bulletproof helmet provided by the invention comprises a helmet body 100, a protective cover 200 and a binding band 300;
the protective cover 200 is connected to the front side surface of the helmet body 100, and the strap 300 is connected to the bottom of the helmet body 100;
the helmet body 100 comprises an outer shell layer 101, a protective layer 102 and an inner liner layer 103; the outer shell layer 101, the protective layer 102 and the inner liner layer 103 are sequentially attached and connected from outside to inside;
the protective layer 102 is made of various non-metal composite materials, including but not limited to carbon fiber cloth, or kevlar cloth 1021, or a composite material of carbon fiber cloth and kevlar cloth 1021.
Referring to fig. 1, a shield cap 200 is connected to a front side surface of a helmet body 100, and a face position of a user is protected by the shield cap 200. The strap 300 is connected to the bottom of the helmet body 100, and the helmet body 100 is fixed to the head of the user by the strap 300, thereby securing the mounting position of the helmet body 100.
Referring to fig. 2, the helmet body 100 adopts a three-layer structure of an outer shell layer 101, a protective layer 102 and an inner liner layer 103 from outside to inside, so as to improve the structural stability of the helmet body 100.
Referring to fig. 3 and 4, the protective layer 102 is made of various non-metal composite materials, including but not limited to carbon fiber cloth, or kevlar fiber cloth 1021, or a composite material of carbon fiber cloth and kevlar fiber cloth 1021.
Further, the protective layer 102 is a composite material of continuous carbon fiber cloth and Kevlar cloth 1021;
the continuous carbon fiber cloth and the Kevlar fiber cloth 1021 are arranged in a crossed and laminated mode, and two adjacent layers of the continuous carbon fiber cloth of the Kevlar fiber cloth 1021 are vertically arranged.
The protective layer 102 made of the materials can reduce the weight of the whole structure of the helmet through the continuous carbon fiber cloth, and meanwhile, the structural strength of the whole helmet is high through the Kevlar fiber cloth 1021.
Further, the continuous carbon fiber cloth is formed by mixing solid continuous carbon fibers 1022 and hollow continuous carbon fibers;
the number ratio of the solid continuous carbon fibers 1022 to the hollow continuous carbon fibers in the continuous carbon fiber cloth is 2:1 to 4: 1.
In the embodiment of the application, the number ratio of the solid continuous carbon fibers 1022 to the hollow continuous carbon fibers is 3:1, so that the damage in-situ self-repairing efficiency and strength of the helmet are ensured, and the damage in-situ self-repairing of the bulletproof helmet is realized.
Further, the hollow continuous carbon fiber is a double-channel hollow continuous carbon fiber 1023, two parallel hollow chambers are arranged inside the double-channel hollow continuous carbon fiber 1023, and any one of A, B two-component quick-setting adhesives is arranged in each hollow chamber;
wherein, the component A is acrylic acid modified epoxy, or epoxy resin, or contains a catalyst and other auxiliary agents;
the component B is modified amine or other hardening agent or contains catalyst.
In the embodiment of the application, referring to fig. 3, the rapid solidification adhesive is arranged in the two hollow chambers, so that rapid in-situ repair of damage can be realized.
Further, the hollow continuous carbon fiber is a single-channel hollow continuous carbon fiber 1024, and a rapid solidification binder is filled in the hollow fiber of the single-channel hollow continuous carbon fiber 1024;
the rapid solidification bonding agent is a mixture of alpha-ethyl cyanoacrylate, a tackifier, a stabilizer, a toughening agent and a polymerization inhibitor.
In the embodiment of the application, referring to fig. 4, the rapid-setting adhesive is filled in the hollow fibers, so that damage in-situ repair can be realized.
Furthermore, the continuous carbon fiber cloth is unidirectional continuous carbon fiber cloth.
In the embodiment of the application, referring to fig. 3, the continuous carbon fiber cloth adopts unidirectional continuous carbon fiber cloth, so that the mechanical property of the whole structure of the helmet can be ensured.
Further, the outer shell 101 is a high strength insulating material.
In the examples of the present application, referring to fig. 2, the high strength thermal insulation material can improve the comfort of the bulletproof helmet.
Further, the inner liner 103 is made of an elastic material and has a surface with holes, including but not limited to thermoplastic polyurethane elastomer rubber.
In embodiments of the present application, referring to fig. 2, the elastomeric material can improve the comfort of the ballistic helmet.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. A composite bulletproof helmet, characterized by comprising a helmet body (100), a protective cover (200) and a strap (300);
the protective cover (200) is connected to the front side surface of the helmet body (100), and the strap (300) is connected to the bottom of the helmet body (100);
the helmet body (100) comprises an outer shell layer (101), a protective layer (102) and an inner lining layer (103); the outer shell layer (101), the protective layer (102) and the inner liner layer (103) are sequentially attached and connected from outside to inside;
the protective layer (102) is made of various non-metal composite materials, including but not limited to carbon fiber cloth, Kevlar fiber cloth (1021), or a composite material of the carbon fiber cloth and the Kevlar fiber cloth (1021).
2. A composite ballistic helmet according to claim 1, characterized in that the protective layer (102) is a composite of continuous carbon fiber cloth and kevlar fiber cloth (1021);
the continuous carbon fiber cloth and the Kevlar fiber cloth (1021) are arranged in a crossed and laminated mode, and two adjacent layers of the Kevlar fiber cloth (1021) are arranged vertically.
3. The composite ballistic helmet of claim 2, wherein the continuous carbon fiber cloth is a blend of solid continuous carbon fibers (1022) and hollow continuous carbon fibers;
the number ratio of the solid continuous carbon fibers (1022) to the hollow continuous carbon fibers in the continuous carbon fiber cloth is 2:1 to 4: 1.
4. A composite ballistic helmet according to claim 3, characterized in that the hollow continuous carbon fibers are two-channel hollow continuous carbon fibers (1023), the interior of the two-channel hollow continuous carbon fibers (1023) being provided with two side-by-side hollow chambers, each of the two hollow chambers being provided with A, B of either of two-component fast setting binders;
wherein, the component A is acrylic acid modified epoxy, or epoxy resin, or contains a catalyst and other auxiliary agents;
the component B is modified amine or other hardening agent or contains catalyst.
5. The composite ballistic resistant helmet according to claim 3, characterized in that the hollow continuous carbon fibers are single-channel hollow continuous carbon fibers (1024), the hollow fibers of the single-channel hollow continuous carbon fibers (1024) being internally filled with a fast setting binder;
the rapid solidification bonding agent is a mixture of alpha-ethyl cyanoacrylate, a tackifier, a stabilizer, a toughening agent and a polymerization inhibitor.
6. The composite ballistic helmet of claim 2 wherein the continuous carbon fiber cloth is a unidirectional continuous carbon fiber cloth.
7. A composite ballistic helmet according to claim 1, characterized in that the outer shell layer (101) is a high-strength insulating material.
8. A composite ballistic helmet according to claim 1, characterized in that the inner liner (103) is of an elastic material and is provided with holes in its surface, including but not limited to thermoplastic polyurethane elastomer rubber.
CN202111578977.8A 2021-12-22 2021-12-22 Bulletproof helmet made of composite material Active CN114216370B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN114216370B CN114216370B (en) 2024-03-22

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2246788Y (en) * 1996-06-06 1997-02-05 于德昌 Bulletproof helmet
US20070087198A1 (en) * 2005-07-01 2007-04-19 Carolyn Dry Multiple function, self-repairing composites with special adhesives
CN104236393A (en) * 2014-09-16 2014-12-24 山东大学 Multifunctional composite material bullet-proof helmet and manufacturing method thereof
CN208704542U (en) * 2018-08-23 2019-04-05 宁波大成新材料股份有限公司 Bulletproof halmet of composite material
US20190133235A1 (en) * 2017-09-28 2019-05-09 Noggin Locker, Llc Shock Reducing Helmet
CN109780936A (en) * 2019-03-13 2019-05-21 济南英维新材料科技合伙企业(有限合伙) A kind of combined rigidity reinforcing bulletproof halmet
CN214407176U (en) * 2021-03-08 2021-10-15 江西帝跃防护装备制造有限公司 Shock-absorbing and breathable military police bulletproof helmet

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2246788Y (en) * 1996-06-06 1997-02-05 于德昌 Bulletproof helmet
US20070087198A1 (en) * 2005-07-01 2007-04-19 Carolyn Dry Multiple function, self-repairing composites with special adhesives
CN104236393A (en) * 2014-09-16 2014-12-24 山东大学 Multifunctional composite material bullet-proof helmet and manufacturing method thereof
US20190133235A1 (en) * 2017-09-28 2019-05-09 Noggin Locker, Llc Shock Reducing Helmet
CN208704542U (en) * 2018-08-23 2019-04-05 宁波大成新材料股份有限公司 Bulletproof halmet of composite material
CN109780936A (en) * 2019-03-13 2019-05-21 济南英维新材料科技合伙企业(有限合伙) A kind of combined rigidity reinforcing bulletproof halmet
CN214407176U (en) * 2021-03-08 2021-10-15 江西帝跃防护装备制造有限公司 Shock-absorbing and breathable military police bulletproof helmet

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