WO2005108906A1 - Blindage protecteur balistique et casque protecteur et veste protectrice balistiques - Google Patents

Blindage protecteur balistique et casque protecteur et veste protectrice balistiques Download PDF

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Publication number
WO2005108906A1
WO2005108906A1 PCT/EP2004/006212 EP2004006212W WO2005108906A1 WO 2005108906 A1 WO2005108906 A1 WO 2005108906A1 EP 2004006212 W EP2004006212 W EP 2004006212W WO 2005108906 A1 WO2005108906 A1 WO 2005108906A1
Authority
WO
WIPO (PCT)
Prior art keywords
ballistic protective
textile
layers
protective armor
textile layers
Prior art date
Application number
PCT/EP2004/006212
Other languages
German (de)
English (en)
Inventor
Egon Busch
Original Assignee
Egon Busch
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Egon Busch filed Critical Egon Busch
Priority to US10/582,716 priority Critical patent/US20070094760A1/en
Publication of WO2005108906A1 publication Critical patent/WO2005108906A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42C—MANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATS
    • A42C2/00—Manufacturing helmets by processes not otherwise provided for
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/06—Impact-absorbing shells, e.g. of crash helmets
    • 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

Definitions

  • the present invention relates to a ballistic protective armor according to the preamble of claim 1, as well as a corresponding ballistic protective helmet and a protective vest.
  • Ballistic protective armor of the present type are part of ballistic protective clothing or headgear, such as military helmets, bulletproof vests and the like. To save weight, such protective armor is usually made from technical fabrics such as high molecular weight polyethylene, aramid or other high-strength yarns. Individual fabric layers are laminated with the help of an adhesive matrix by applying an adhesive, a resin or a film between the individual textile layers and then pressing the entire layer package so that a textile laminate is formed.
  • the properties of the protective armor can be varied. Apart from the dimensional stability, i.e. the resistance to deformation, which is particularly important with protective helmets, the resistance to an impacting projectile or splinter naturally plays an outstanding role.
  • the projectile In addition to a force in the stratification direction, which will be referred to below as the Z direction, the projectile also exerts forces in the directions which lie within the plane of the layer, ie in the X and Y directions perpendicular to the Z direction , These: forces are absorbed by the yarns or fibers of the textile layers, while the forces in the Z direction are absorbed by the adhesive bonding of the textile layers. This means that the adhesive strength of the matrix makes a decisive contribution to preventing the bullet from penetrating.
  • Adhesive matrix favors, since this limits the possibility of the fibers for longitudinal expansion. The resistance to perforation of the shell is thus reduced. Apart from this effect, a high resin or adhesive content leads to an increase in the weight of the protective armor.
  • the object of the present invention is therefore to create a ballistic protective armor of the type mentioned at the outset which reliably prevents penetration by projectiles or impacting fragments, but at the same time reduces the deformation effect described above to an acceptable level on the inside of the armor opposite the bombardment side, while the weight of the protective armor is kept as low as possible.
  • the ballistic protective armor according to the invention comprises a number of wire or thread-shaped connectors which extend in the layering direction through the textile laminate, i.e. in the direction of the surface normal, which is perpendicular to the textile layers. These connectors provide the individual textile layers of the laminate with additional hold to one another by creating a further mechanical connection in addition to the known adhesive matrix. By choosing a suitable tensile strength or elasticity of the connectors, it is possible to improve the perforation and deformation properties of the textile laminate and its resistance to projectile impact.
  • the bulging effect described above of the inner catch layers of the laminate deformed in the event of a projectile impact is greatly reduced, since the connectors can absorb strong tensile forces in the firing direction and can prevent the layers from tearing apart from one another (delamination). Rather, the delamination effect is limited to the immediate vicinity of the fire channel. In this area, the tensile forces on the connectors are so high that they tear and the inner catch layers can become detached. In the directions within the layers, ie in the directions direction perpendicular to the layering direction, the force finally decreases until it falls below the force required to tear the connectors, so that only an expansion of the connectors occurs.
  • the layers of adhesive can be detached from one another, but the layers are held together by the stretched connectors.
  • a ballistic protective helmet the helmet shell of which is formed by a ballistic protective armor according to the invention, is claimed by claim 19.
  • claim 20 is directed to a ballistic protective vest which comprises hard segments or hard inserts, which are each formed by a ballistic protective armor according to the invention.
  • FIG. 1 shows a partial side section through a ballistic protective helmet, the helmet shell is formed by a ballistic protective armor according to the invention
  • FIG. 2 shows a plan view of a section of the helmet shell surface of the helmet from FIG. 1
  • 3 shows a partial section through a helmet shell according to a further embodiment of the invention
  • FIG. 4 shows a plan view of a section of the helmet shell o from FIG. 3;
  • FIG. 5 shows the helmet shell according to FIG. 3 in the deformed state after the impact of a projectile
  • FIG. 6 shows a partial section through a helmet shell according to a third embodiment of the invention.
  • the helmet shell 10 shown in FIG. 1 is part of a ballistic protective helmet, for example a helmet for military use.
  • the concave inside of the protective helmet facing the head of the helmet wearer, not shown, is located in the figure below, while the projectile can be impacted from the convex outside.
  • the term “projectile” is intended to encompass all possible ballistic projectiles, ie apart from firearm projectiles in the narrower sense also grenade or projectile fragments or the like.
  • Fig. 1 shows the helmet shell 10 in the intact condition. It is formed by a ballistic protective armor 12, which comprises a textile laminate 14, which is formed from a number of textile layers laminated together.
  • the layers extend, following the curvature of the helmet surface, lying parallel on top of one another between the inner and the outer surface of the helmet shell 10, ie the layering direction corresponds to the surface normal which is perpendicular to the surfaces of the textile layers.
  • the direction of layering is indicated by an arrow Z, which corresponds to the normal of the outer surface of the helmet at a specific point of curvature, while the individual textile layers lie in the X- directions perpendicular to the layering direction Z.
  • Y directions extend within the helmet shell 10.
  • the X direction (to the right in FIG. 1) is also identified by an arrow X.
  • the textile layers are only shown in section in an area on the right in the figure.
  • the layers actually extend through the entire helmet shell 10.
  • the present embodiment is comprised of ten layers 16 to 34, which are stacked on top of one another in the Z direction. In practice it is common to use an even larger number of layers; However, it is within the scope of the person skilled in the art to select the number of layers appropriately.
  • Each of the textile layers 16, ..., 34 consists of a fabric made of aramid, polyethylene or carbon fibers, that is to say of a plastic material with high tensile strength in the direction X or Y, in which the layer extends. It is also possible to weave the textile layers from yarns or to produce them by other textile techniques.
  • connection matrix which is arranged in layers between the individual textile layers.
  • This connection matrix is, for example, an adhesive, a resin or a compressible film.
  • textile layers 16,..., 34 and adhesive or resin layers or film layers are thus placed alternately on one another and pressed under high pressure, so that the textile laminate 14 is formed as a composite of textile layers and connection matrix.
  • the individual layers of the connection matrix are not shown in more detail in FIG. 1 and the following figures.
  • the cohesion of this layer package 14, ie its resistance to forces in the Z direction, which act on the layers of textiles 16,..., 34 detaching from one another, and the weight of the helmet shell 10 can be determined by the amount of adhesive or resin applied or determine the thickness of the compressible film between the textile layers.
  • the strength increases with the weight proportion of the connection matrix in the total weight, so that the strength can be increased, for example, by increased resin application.
  • the effect can occur that the material of the connection matrix at least partially penetrates into the fabric of the textile layers 16,..., 34 and the fibers of the textile layers are embedded in the matrix become.
  • the ballistic protective armor 12 which forms the helmet shell 10
  • the ballistic protective armor 12 comprises a number of wire or thread-shaped connectors 40 which extend in the layering direction Z through the textile laminate 14 from the inner surface of the helmet shell 10 to the outer surface, thus through all textile layers 16, ..., 34.
  • These connectors which are spaced apart in the directions X, Y, in which the textile layers 16,... 34 extend, provide an additional hold of the textile layers 16,..., 34 to one another. That is, the layers 16 34 are held together not only by the adhesive force of the connection matrix, but also mechanically by the connectors 40. This ensures an increased cohesion of the laminate 14 in the layering direction Z and offers advantageous properties in the event of the impact of a projectile in the event of delamination of the inner textile layers, as will be explained in more detail below.
  • the connectors 40 can be made of any suitable material which has the desired properties, that is to say in particular a suitable tensile strength and elasticity.
  • a metal or plastic material can be used for the connectors 40 and can be flexible reinforcement threads which are formed from a single fiber or also from a number of fibers, which can also be spun or twisted into a thread , High-strength materials such as aramid, polyethylene or carbon fibers are particularly suitable.
  • the connectors 40 can perform their function according to the invention, it is not absolutely necessary that the connectors 40 are exactly in the layering direction Z or -Z, that is, in the direction of the surface normal of the textile layers 16,..., 34 at the point of penetration of the connector 40 extend it is sufficient that the direction of extension of the connector 40 has a component which corresponds to the direction of layering Z, so that the textile layers 16,... 34 are pierced. It is therefore permissible to enclose a certain angle with the normal. If such deviations are desired for design reasons, a suitable size of the deviation angle can be determined by a person skilled in the art by experiment without great effort.
  • FIG. 2 shows a plan view of the helmet shell 10 with the connectors 40 inserted.
  • the connectors 40 are arranged in a regular square grid, i.e. ,
  • the connectors 40 are arranged both in the X and in the Y direction, corresponding to the direction of extension of the textile layer 34, at equal distances a from one another in rows.
  • the distances a can be chosen freely in order to influence the cohesion of the textile laminate 14 and its delamination behavior.
  • Fig. 3 shows a partial side section through a further helmet shell 50, which is also constructed from a textile laminate 14 from individual textile layers 16, ..., 34.
  • the structure of the individual layers 16, ..., 34 from a high-strength fabric, their layering in the Z direction and their connection by layer-by-layer pressing with a connection matrix correspond to the helmet shell 10 from FIGS. 1 and 2, so that with regard to the structure of the textile laminate 14 is referred to the above description parts.
  • the helmet shell 50 comprises thread-shaped connectors, which are formed here by sections 52 of a reinforcing thread 54 running in the layering direction Z, which as a continuous thread between the inner and the outer surface of the helmet shell 50 meandering in the direction X through the textile laminate 14, i.e. in the Direction in which the textile layers 16 34 extend.
  • a reinforcing thread section 52 extending in the layering direction Z initially extends from the inside to the outside, on which a connecting section resting on the outer surface of the helmet shell 50 extends. cut 56 of the reinforcing thread 54 connects.
  • reinforcing thread section 52 running from the outside in (opposite direction -Z), followed by a connecting section 56 resting on the inside of the helmet shell.
  • This sequence of sections of the reinforcing thread 54 between the inside and outside is repeated from here on continuously in the direction of extension X of the textile layers 16,..., 34.
  • the individual reinforcing thread sections 52 which form the connectors are thus connected by the connecting sections 56 to form an endless thread which forms a seam which forms the entire textile laminate 14 or can pass through the helmet shell 50.
  • the reinforcing thread 54 can be taut so that the individual textile layers 16 34 are given increased cohesion.
  • the reinforcing thread 54 can be a textile fiber made of a high-strength plastic material such as aramid, polyethylene or carbon fiber, and several fibers of the reinforcing thread 54 can be spun or twisted into a yarn.
  • a high-strength plastic material such as aramid, polyethylene or carbon fiber
  • the same materials can be used for the connectors 40 from the first embodiment and for the reinforcing thread 54 or its sections 52 which act as connectors. Since in the case of the endless reinforcing thread 54 there is a deflection of the thread course on the inner and outer surfaces of the helmet shell 50, a certain flexibility and flexibility of the thread material is required.
  • FIG. 4 shows a plan view of a section of the outermost textile layer 34 from a perspective corresponding to FIG. 2.
  • the overlying connecting sections 56 of the reinforcing thread 54 can be seen, while the reinforcing thread sections 52 move in and against one another of the layering direction (directions Z and -Z) at the ends of the connecting sections 56 into the textile laminate 14 and out again.
  • the seams of the continuous threads 54 run from left to right in FIG. 4, and the connecting sections 56 have the same length on the inside and outside of the helmet shell 50.
  • the endless threads 54 are spaced apart, and the connecting sections 56 of adjacent connecting threads 54 are offset in the direction of the seams by the length of a connecting section 56.
  • another seam course can also be selected, for example by forming loops within the course of the reinforcing thread 54, as will be explained later.
  • the reinforcing thread sections 52 can be inclined towards one another in such a way that a W- or zigzag-shaped seam course results in the vertical section plane through the laminate 14.
  • the functional principle of the ballistic protective armor according to the invention is explained using the second exemplary embodiment from FIGS. 3 and 4.
  • the helmet shell 50 is bombarded with a projectile 60 which strikes the helmet shell 50 exactly perpendicularly, that is in a direction of fire -Z.
  • the projectile 60 penetrates a number of outer textile layers, the fibers within the textile layers being sheared off smoothly and an approximately cylindrical bombardment channel 62 being formed.
  • the projectile 60 deforms strongly here and its kinetic energy is partially absorbed until the energy is no longer sufficient to penetrate further layers.
  • the three outermost textile layers 30, 32, 34 are penetrated smoothly, and the bombardment channel 62 is formed in them, while the four innermost layers 16 to 22 are bulged inwards.
  • the fabric of these textile layers 16 to 22 remains intact, only the fibers of the fabric are stretched, so that the bulge towards the inside of the helmet shell 50 is formed.
  • the penetrated layers 30, 32, 34 and the deformed layers 16 to 22, which are also referred to as trapping layers there remain three textile layers 24, 26, 28 which are destroyed in the immediate vicinity of the fire channel 62 and thereby absorb energy.
  • the reinforcing thread 54 When the catch layers 16 to 22 are torn off, the inner cohesion of the textile laminate 14 is destroyed by the connection matrix, and there is a risk that an uncontrolled tearing of the layers from one another will result in a very strong bulge, which will cause injuries to the helmet wearer. According to the invention, this disadvantageous effect is prevented by the reinforcing thread 54.
  • the sections 52 of the reinforcing thread 54 running in the stratification direction Z can absorb the tensile forces occurring in the weft in the Z direction, which leads to an expansion of the reinforcing thread 54 at the sections 52, so that additional energy is absorbed. If the forces exceed a certain value, the reinforcing thread section 52 is torn off.
  • the absorption of the tensile forces by the reinforcing thread sections 52 is favored by the fact that the outer ends of the sections 52 are anchored in the outer textile layers 30, 32, 34, which maintain their arched shape and thus a high stability compared to that of the Reinforcing thread sections 52 have exerted tensile forces.
  • This anchoring effect in the outer layers 30, 32, 34 provides the sections 52 and thus the inwardly deformed region of the inner catch layers 16 to 22 with increased hold.
  • the energy absorption within the textile laminate 14 can advantageously be increased in that the outer layers 30, 32, 34, in which the bombardment channel 62 is formed, are very hard in comparison to the subsequent middle layers 24, 26, 28 which are destroyed in the area of the cavern 64 and can thereby absorb energy. Due to the great hardness of the outer layers 30, 32, 34, the projectile 60 is deformed very strongly and must form a larger weft channel so that it can penetrate deeper into the textile laminate 14.
  • the hardness of the catch layers 16 to 22 on the inside of the helmet shell 50 is advantageously chosen so that it lies between the hardness of the outer layers 30, 32, 34 and that of the soft middle layers 24, 26, 28, so that a good one Deformability remains guaranteed.
  • the hardness of the different layers 16, ..., 34 can be influenced by the choice of the fabric, but in particular furthermore by the resin or adhesive content of the connection matrix in the textile layers 16, ..., 34.
  • FIG. 6 shows a helmet shell 70 similar to the helmet shell 50 from FIGS. 3 to 5, in which the seams of the reinforcing threads 54 have a different course.
  • reinforcing threads 54 run as continuous threads, each of which continuous threads comprises a number of loops 72 protruding into the textile laminate 14, which are intertwined with the loops 72 of an endless thread running on the respectively opposite surface of the textile laminate 14 are.
  • a ballistic protective armor 12 of the type described here is suitable not only for helmet shells 10, 50 ballistic protective helmets, but also for other types of ballistic protective clothing, in particular for protective vests which are intended to protect their wearer against projectile or splinter bombardment. Since such protective vests have to have a certain flexibility for reasons of wearing comfort, the known vests generally include hard segments or hard inserts in particularly vulnerable places. These hard segments or inserts can also be formed by the balistic protective armor according to the invention. In order to ensure complete protection without restricting the freedom of movement for the wearer of the vest, an arrangement is advantageous in which the hard segments or hard inserts overlap one another, but are displaceable relative to one another or engage in one another.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un blindage protecteur balistique (12) faisant notamment partie intégrante d'un vêtement de protection ou d'un revêtement de tête balistiques. Un blindage protecteur comprend un laminé textile (14) composé d'un certain nombre de couches textiles (16, ,34) laminées. Le blindage protecteur selon l'invention se distingue par un certain nombre d'attaches de type fil ou câble (40,52) qui s'étendent dans la direction d'empilement (Z) des couches textiles (16, ,34) en traversant le laminé textile (14).
PCT/EP2004/006212 2004-05-08 2004-06-09 Blindage protecteur balistique et casque protecteur et veste protectrice balistiques WO2005108906A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/582,716 US20070094760A1 (en) 2004-05-08 2004-06-09 Ballistic protective armor and ballistic protective helmet and protective vest

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004022848A DE102004022848A1 (de) 2004-05-08 2004-05-08 Ballistischer Schutzpanzer sowie ballistischer Schutzhelm und Schutzweste
DE102004022848.5 2004-05-08

Publications (1)

Publication Number Publication Date
WO2005108906A1 true WO2005108906A1 (fr) 2005-11-17

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ID=34957744

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/006212 WO2005108906A1 (fr) 2004-05-08 2004-06-09 Blindage protecteur balistique et casque protecteur et veste protectrice balistiques

Country Status (3)

Country Link
US (1) US20070094760A1 (fr)
DE (1) DE102004022848A1 (fr)
WO (1) WO2005108906A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2708012C (fr) * 2007-12-07 2012-08-21 Allen-Vanguard Technologies Inc. Appareil et procede de mesure de donnees permettant d'analyser une blessure
US8001999B2 (en) * 2008-09-05 2011-08-23 Olive Tree Financial Group, L.L.C. Energy weapon protection fabric
CA2866498A1 (fr) * 2012-02-29 2013-11-28 E. I. Du Pont De Nemours And Company Composite balistique contenant un revetement thermoplastique
RU2640992C1 (ru) * 2016-11-21 2018-01-12 Закрытое акционерное общество "Центр высокопрочных материалов "Армированные композиты" (ЗАО ЦВМ "Армированные композиты") Способ изготовления многослойной текстильной брони и многослойная текстильная броня

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US3841954A (en) * 1971-03-15 1974-10-15 Carborundum Co Compressed rigid laminated material including stitching reinforcement
GB2238460A (en) * 1989-11-06 1991-06-05 Personnel Armoured Designs Lim Protective material for body armour
FR2697626A1 (fr) * 1992-11-03 1994-05-06 Gallet Sa Blindage de protection balistique, et son application.
US5545455A (en) * 1993-04-01 1996-08-13 Alliedsignal Inc. Constructions having improved penetration resistance
US20010053645A1 (en) * 2000-01-18 2001-12-20 Henderson William J. Multi-layered ballistic resistant article
US6562435B1 (en) * 1999-03-20 2003-05-13 Survival, Incorporated Method for forming or securing unindirectionally-oriented fiber strands in sheet form, such as for use in a ballistic-resistant panel
WO2004109216A2 (fr) * 2002-10-28 2004-12-16 The Boeing Company Blindage multicouche anti-projectiles comprenant une couche de renfort composite cousue et procede de fabrication correspondant

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US1465767A (en) * 1923-02-10 1923-08-21 Krause Leo Bulletproof armor
DE2931110A1 (de) * 1979-07-31 1981-02-19 Mehler Ag V Flexibles, durchschlaghemmendes schutz-flaechenmaterial
GB2198628A (en) * 1986-12-19 1988-06-22 Secr Defence Textile armour
US5512348A (en) * 1988-08-25 1996-04-30 Ara, Inc. Armor with breakaway sewing
GB8821415D0 (en) * 1988-09-13 1989-03-30 Mills Craig A Body armour
GB8913160D0 (en) * 1989-06-08 1989-07-26 Mills Craig A Trauma attenuation pack
DE20101099U1 (de) * 2001-01-22 2001-03-22 American Body Armor, Jacksonville, Fla. Körperpanzerung
US20040003445A1 (en) * 2002-01-05 2004-01-08 First Choice Armor And Equipment, Inc. Ballistic resistant panel
US6922847B2 (en) * 2002-07-26 2005-08-02 Second Chance Body Armor, Inc. Multipurpose thin and lightweight stab and ballistic resistant body armor and method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3841954A (en) * 1971-03-15 1974-10-15 Carborundum Co Compressed rigid laminated material including stitching reinforcement
GB2238460A (en) * 1989-11-06 1991-06-05 Personnel Armoured Designs Lim Protective material for body armour
FR2697626A1 (fr) * 1992-11-03 1994-05-06 Gallet Sa Blindage de protection balistique, et son application.
US5545455A (en) * 1993-04-01 1996-08-13 Alliedsignal Inc. Constructions having improved penetration resistance
US6562435B1 (en) * 1999-03-20 2003-05-13 Survival, Incorporated Method for forming or securing unindirectionally-oriented fiber strands in sheet form, such as for use in a ballistic-resistant panel
US20010053645A1 (en) * 2000-01-18 2001-12-20 Henderson William J. Multi-layered ballistic resistant article
WO2004109216A2 (fr) * 2002-10-28 2004-12-16 The Boeing Company Blindage multicouche anti-projectiles comprenant une couche de renfort composite cousue et procede de fabrication correspondant

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Publication number Publication date
DE102004022848A1 (de) 2005-12-01
US20070094760A1 (en) 2007-05-03

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