EP3520641B1 - Ballistischer schutzhelm - Google Patents

Ballistischer schutzhelm Download PDF

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Publication number
EP3520641B1
EP3520641B1 EP18154496.6A EP18154496A EP3520641B1 EP 3520641 B1 EP3520641 B1 EP 3520641B1 EP 18154496 A EP18154496 A EP 18154496A EP 3520641 B1 EP3520641 B1 EP 3520641B1
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EP
European Patent Office
Prior art keywords
helmet
layer
dome
protective helmet
protective
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.)
Active
Application number
EP18154496.6A
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German (de)
English (en)
French (fr)
Other versions
EP3520641A1 (de
Inventor
Georg Scharpenack
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.)
Ulbrichts GmbH
Original Assignee
Ulbrichts GmbH
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.)
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Publication date
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Application filed by Ulbrichts GmbH filed Critical Ulbrichts GmbH
Priority to EP18154496.6A priority Critical patent/EP3520641B1/de
Priority to HRP20240759TT priority patent/HRP20240759T1/hr
Priority to PL18154496.6T priority patent/PL3520641T3/pl
Priority to ES18154496T priority patent/ES2987936T3/es
Priority to CN201980011105.8A priority patent/CN111698920A/zh
Priority to IL276370A priority patent/IL276370B2/en
Priority to AU2019215711A priority patent/AU2019215711B2/en
Priority to PCT/EP2019/051995 priority patent/WO2019149661A1/de
Priority to US16/263,260 priority patent/US11815337B2/en
Publication of EP3520641A1 publication Critical patent/EP3520641A1/de
Publication of EP3520641B1 publication Critical patent/EP3520641B1/de
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Classifications

    • 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
    • A42B3/062—Impact-absorbing shells, e.g. of crash helmets with reinforcing means
    • A42B3/063—Impact-absorbing shells, e.g. of crash helmets with reinforcing means using layered structures
    • 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

Definitions

  • the present invention relates to a ballistic protective helmet.
  • a ballistic protective helmet protects the wearer's head from direct fire from firearms, but also from splinters and the effects of cutting and stabbing weapons. Such helmets are therefore worn by special forces and increasingly also by patrol officers who arrive at the scene first (so-called “first responders”) for their own protection.
  • the basic protective effect of a protective helmet is to stop an impacting projectile (e.g. a bullet or splinter) and to prevent the projectile from penetrating the head of a wearer of the protective helmet.
  • Another important aspect of the protective effect is to keep the impact of the kinetic energy of the projectile on the wearer's head as low as possible.
  • the protective helmet can be pressed in by the projectile to such an extent that significant residual energy affects the head. This is particularly a problem in the edge area of the helmet, as the edge tends to bend inwards when hit.
  • Helmets made of aramid and/or polyethylene are known in the prior art, but these primarily protect against splinters and, in particular, do not provide an adequate protective effect when directly attacked by projectiles (from hand weapons), since they tend to massively deform when projectiles are fired at, which is often the case cause lethal impact of residual energy on the head. Especially in an edge area with a width of up to 30 mm, the edge bends so that a projectile can slip through and directly injure the head. When fired at above this edge area (up to around 50 mm), the helmet is usually deformed in such a way that considerable residual energy acts on the head. Aramid/polyethylene helmets are therefore primarily suitable for splinter protection and are less suitable for projectile fire. US 2013/047309 and DE 199 61 371 reveal ballistic protective helmets.
  • Titanium helmets prove to be much more effective under fire because they can convert the kinetic energy of the projectile into plastic deformation over a larger area and the helmet is therefore not deformed inwards to such an extent that a fatal impact on the head occurs.
  • helmets have a deflecting effect on the projectile and/or its fragments, so that not all of the momentum of the projectile is transmitted to the helmet. These two effects are particularly noticeable in the edge area.
  • the effective protective area of a titanium helmet is therefore significantly larger than that of an aramid/polyethylene helmet.
  • the aim is to improve the protective effect of the helmet against external ballistic impacts, i.e. to prevent a lethal effect in the case of larger kinetic energies/energy densities of the projectile (caused by a larger mass and/or a higher impact speed).
  • Protective helmets known from the prior art for use by special forces and police can only protect against projectiles (or fragments of equivalent kinetic energy) fired from handguns.
  • a long gun is a weapon whose barrel including the bolt exceeds a certain length (e.g. 300 mm). Alternative definitions of long weapons are based on the total length of the weapon (e.g. from 600 mm in length).
  • handguns are all other weapons. Long gun bullets have higher muzzle velocities and often harder materials (e.g. iron instead of lead) with greater penetration.
  • the kinetic energy of long gun bullets is generally higher than that of handgun bullets.
  • the invention is therefore based on the object of improving the ballistic protective helmets known from the prior art, in particular those for special forces and police, so that they can withstand expected projectile fire higher kinetic energy, especially from long weapons, provide sufficient protection.
  • the weight of the helmets should not be increased to such an extent that the wearing comfort and handling are significantly impaired.
  • a ballistic protective helmet comprising (a.) a helmet cap which is formed from a metal material, the helmet cap having an inside facing the head of a wearer and an opposite outside; and (b.) a layer arranged on the outside of the helmet cap, which is formed from a fiber composite material, the metal material being titanium or a titanium alloy.
  • the inventors have recognized that the protective effect of metal helmets, such as the titanium helmets known from the prior art, can be significantly improved if the projectile first hits a layer of fiber composite material and then the metal helmet cap.
  • Such a combination of materials prevents lethal deformation of the helmet cap even with projectiles of higher kinetic energy, i.e. greater mass (caliber) and/or impact speed, as is particularly to be expected when fired from a long weapon.
  • this effect is achieved by arranging the fiber composite material on the outside of the helmet cap, because, according to a widespread opinion among experts, this does not lead to any significant improvement, since according to this opinion, soft material on hard material would only be punched through by the impacting projectile. If protective helmets known from the prior art therefore have soft and hard materials, the soft material is arranged under the hard material in order to prevent the assumed "punching".
  • the investigations carried out by the inventors show that the combination of fiber composite material and the underlying metal dome does not result in punching, but that an unexpectedly significantly improved protective effect is achieved even against fire from long weapons.
  • the protective effect is understood to mean the ability of a ballistic protective helmet to absorb and/or deflect the impulse of an impacting projectile in such a way that the bullet does not penetrate the wearer's head and the energy acting on the head due to helmet deformation remains below a predetermined threshold, which is usually considered lethal.
  • a protective helmet with a higher protective effect than another protective helmet can therefore protect the head from a projectile with a higher kinetic energy and/or penetrating effect.
  • a projectile has a higher kinetic energy than another projectile if its mass and/or speed is higher.
  • kinetic energy is the product of mass and velocity squared divided by two.
  • the weight of the helmet according to the invention does not increase in proportion to the protective effect achieved compared to helmets of the prior art, but rather reaches an acceptable level.
  • an excellent protective effect can be achieved when bombarded with a projectile with at least three times the kinetic energy by doubling the weight per unit area compared to a helmet of the prior art.
  • the invention is therefore not a compromise between protective effect on the one hand and weight, wearing comfort and manageability on the other hand. Rather, the invention achieves an unexpected synergistic effect - in particular, for the first time, protection against long weapon fire is provided by comparatively light helmets.
  • the layer may cover substantially the entire exterior of the hard hat. In a preferred embodiment, the layer covers more than 80%, more preferably more than 90% and even more preferably more than 95% of the outside of the protective helmet. In this way, the protective helmet can protect against fire from all directions.
  • the layer can be firmly connected to the helmet cap.
  • the layer can be glued to the helmet cap with an adhesive.
  • the layer can be formed in one piece.
  • a further aspect of the present invention relates to a ballistic protective helmet, comprising (a.) a helmet cap which is formed from a metal material, the helmet cap having an inside facing the head of a wearer and an opposite outside; and (b.) a first fastening means arranged on the outside of the helmet cap, which is designed such that a layer formed from fiber composite material can be releasably attached to the outside of the helmet cap, the metal material being titanium or titanium alloy.
  • the layer can be detachably connected to the helmet cap. This makes it possible to adapt the protective effect of the helmet to the situation. For example, if fire from a long weapon is expected, the layer can be attached to the helmet cap in the form of a shield. If fire with smaller calibers is expected, the protective helmet can be worn without the shield in order to reduce the weight and increase wearing comfort. This aspect also contributes to solving the problem on which the present invention is based.
  • the layer can have a thickness of 5 to 30 mm.
  • the layer has a thickness of 6 to 20 mm, more preferably the layer has a thickness of 10 to 15 mm, more preferably 12 mm.
  • the inventors have recognized that a very good improvement in the protective effect is achieved in these thickness ranges without the weight of the helmet or its wearing comfort reaching an unacceptable level.
  • the increase in weight caused by the fiber composite material of this thickness is more than offset by the significantly improved protective effect, for example against long weapon fire.
  • the fiber composite material of the layer can have polyethylene fibers. Fiber composite material made of polyethylene in combination with the metal helmet cap proves to be excellent and reduces the residual energy acting on the head to an unexpectedly low level.
  • the fiber composite material therefore preferably has essentially, i.e. more than half of all fiber types, polyethylene fibers. Further preferably, the fiber composite material has 90% polyethylene fibers.
  • the layer can have other components, for example a resin or synthetic resin to bind the fibers, or solvents, or residues thereof.
  • the metal material of the helmet cap is titanium or a titanium alloy. The inventors have found that titanium in combination with the fiber composite material of the layer has an excellent protective effect.
  • the ballistic protective helmet according to the invention can further have a first fastening means, which is designed such that the layer formed from fiber composite material can be releasably fastened to the outside of the helmet cap. As already explained, this makes it possible to adapt the protective effect of the helmet to the situation.
  • the layer can be arranged in the forehead area of the helmet cap in the manner of a shield. This increases the protective effect of the helmet, especially in the event of frontal fire, and enables the wearer to address the dangerous situation more directly with reduced risk.
  • the first fastening means can be arranged in the forehead area of the helmet cap. This allows the layer to be attached to the forehead area with the advantages already mentioned.
  • the ballistic protective helmet can also have a metal strip that is arranged at least partially overlapping the layer and is firmly connected to the helmet cap.
  • the metal strip can be arranged in particular in the edge region of the helmet cap. Such a metal strip further increases the protective effect, especially in the problematic edge area. Especially in cooperation with the Layer or shield made of fiber composite material, such a metal strip proves to be very advantageous.
  • the protective helmet can be designed in such a way that when the helmet is worn, the smallest distance between the inside of the helmet dome and the wearer's head is at least 10 mm.
  • the distance is preferably 10 mm to 40 mm, more preferably 15 mm to 30 mm.
  • the distance between the helmet cap and the head prevents or at least reduces impacts on the head due to deformation of the helmet cap when fired upon.
  • the ballistic protective helmet according to the invention can further have a headband connected to the helmet cap, which keeps the helmet cap at a distance from the head of a wearer when the helmet is worn. As already mentioned, such a distance is advantageous for the protective effect.
  • the headband also increases wearing comfort because the protective helmet does not rest directly on the head. In this way, pressure points are avoided or at least reduced and ventilation of the head is ensured, which is particularly advantageous when outside temperatures are high.
  • the layer can have a second fastening means, which is designed such that the layer can be releasably fastened to the outside of the helmet cap.
  • the second fastening means can be a means that interacts with the first fastening means.
  • the first and second fastening means together can form a Velcro fastener.
  • the first and/or the second fastening means can also be at least one push button, magnet, snap fastener or the like.
  • the layer of fiber composite material may have a concave surface which corresponds to a convex region of the outside of the helmet cap in which the shield is arranged.
  • the layer therefore has a negative shape of the helmet cap surface. Only a minimal distance remains between the layer and the helmet cap, which is essentially due to the fastening means (for example a Velcro fastener or an adhesive layer). This results in a compact ballistic protective helmet.
  • Fig. 1A shows a frontal view of an exemplary embodiment of a protective helmet 1 according to the invention.
  • Fig. 1B shows a section through the in Fig. 1A Plane designated by the reference number A, which is perpendicular to the paper plane.
  • the protective helmet 1 has a helmet cap 2, which is made of metal according to the invention. In the exemplary embodiment Figures 1A and 1B it is titanium.
  • the metal can be in the form of an alloy.
  • the helmet cap 2 is preferably made from a one-piece titanium sheet in a deep-drawing process.
  • the helmet cap 2 is designed in one layer and has a sheet thickness of 1 mm to 5 mm.
  • a multi-layer structure is also possible.
  • the protective helmet 1 further has a layer 3, which is made of a fiber composite material.
  • a fiber composite material made from layers of high molecular weight polyethylene fibers (UHMW-PE) has proven to be particularly advantageous.
  • aramid fibers are added to this.
  • UHMW-PE is a thermoplastic polymer made from very long molecular chains of polyethylene. The individual fibers have a comparatively high specific strength.
  • the fibers are processed into layers in which the individual fibers are aligned essentially parallel.
  • a layer can also have a matrix material, for example a resin.
  • a matrix material for example a resin.
  • two or more fiber layers are combined essentially at right angles to one another and wound onto a roll.
  • the perpendicular orientation of the molecular chains creates a thin layer with a high tensile strength in essentially all directions.
  • a typical layer thickness is 200 ⁇ m. Blanks are cut out of the thin layer wound on the roll using a CNC cutting machine or a laser, for example, and stacked into a package.
  • layer 3 has a thickness 14 of 6 mm to 20 mm.
  • fiber composites can also be used within the scope of the present invention, for example comprising aramid fibers.
  • Thermoplastic fibers have proven to be particularly effective. Mixtures of different types of fibers, e.g. polyethylene and aramid, are also conceivable.
  • the layer 3 has a concave surface, which corresponds to a convex area of the outside 4 of the helmet cap 2, in which the layer 3 is arranged.
  • the contour of layer 3 therefore follows the contour of the helmet cap 2.
  • a Velcro strap instead of a Velcro strap, other fastening means can also be used, e.g. snap fasteners or magnets, or the layer 3 can be permanently connected to the helmet cap 2, e.g. using an adhesive.
  • the layer 3 has a width 6 of 222 mm and a height 7 of 124 mm.
  • the surface area of layer 3 is, for example, 300 cm 2 to 500 cm 2 .
  • the protective helmet 1 has a width 8 of 225 mm and a depth 9 of 269 mm.
  • the surface of the helmet is, for example, 1000 cm 2 to 1500 cm 2 .
  • the standard head 10 shown is size 62. These size details, especially the length details, are only examples.
  • the layer 3 does not necessarily have to be arranged in the manner of a shield in the forehead area. In other exemplary embodiments, the layer is arranged on the sides or in the area of the back of the head.
  • the layer 3 can also have a large number of elements comprising fiber composite material, which are arranged next to one another on the helmet cap 2.
  • the protective helmet can have a fiber composite layer 3 all around in order to achieve an increased protective effect from all sides.
  • two fiber composite layers are similar to that in the exemplary embodiment Figures 1A and 1B Layer 3 shown is arranged at least partially overlapping.
  • Layer 3 shown is arranged at least partially overlapping.
  • two fiber composite layers can be arranged in an overlapping manner, while in other areas the helmet cap 2 is covered with only one fiber composite layer.
  • the protective helmet 1 also has a headband 11, which holds the helmet cap at a distance 12 of 10 mm to 40 mm, preferably 15 mm to 30 mm, from the head 10.
  • a metal strip 13 which is arranged at the edge of the forehead area of the helmet under the layer 3 and reinforces the helmet dome there.
  • the metal strip 13 extends from the right to the left temple area and preferably has a height of approximately 20 mm to 30 mm.
  • the metal strip 13 additionally increases the edge fire capability of the helmet 1 up to a distance from the edge of approximately 15 mm.
  • the metal strip 13 can be glued to the helmet cap 2 using a two-component adhesive and a fiberglass mat.
  • Fig. 2A shows a frontal view of a further exemplary embodiment of a protective helmet 1 according to the invention.
  • Fig. 2B shows a section through the in Fig. 2A Plane designated by the reference symbol B, which is perpendicular to the paper plane.
  • the protective helmet 1 has a helmet cap 2, which is identical to the helmet cap 2 of the exemplary embodiment from the Figures 1A and 1B is comparable. With regard to the helmet cap 2, this applies to what is stated in the Figures 1A and 1B shown embodiment said.
  • the protective helmet 1 has in the exemplary embodiment Figures 2A and 2 B a layer of fiber composite material, which consists of three segments 3a, 3b and 3c.
  • the segment 3a is arranged in the forehead area, the segment 3b on the right side and the segment 3c on the left side of the protective helmet 1.
  • the thickness of the layer formed from the three segments 3a, 3b and 3c is 6 mm to 20 mm.
  • the following generally applies to the fiber composite material used in relation to the exemplary embodiment Figures 1A and 1B Said.
  • the three segments 3a, 3b and 3c of the fiber composite layer are connected to the helmet cap 2 via a Velcro strap 5.
  • Other fastening means such as snap fasteners or magnets are conceivable.
  • the three segments 3a, 3b and 3c are permanently connected to the helmet cap, for example by means of an adhesive.
  • some segments can be permanently connected to the helmet cap 2, while other segments can be detachably connected to the helmet cap 2.
  • the segment 3a in the forehead area can be permanently connected to the helmet cap 2, while the side segments 3b and 3c can be detachably connected to the helmet cap 2.
  • the three segments 3a, 3b and 3c do not abut each other, ie a small gap remains between them.
  • the three segments 3a, 3b and 3c can abut one another and thus form a continuous layer of fiber composite material.
  • the number of segments in the exemplary embodiment is also Figures 2A and 2 B just an example.
  • the protective helmet may have two or more than three segments of a layer of fiber composite material.
  • the protective helmet of the exemplary embodiment Figures 2A and 2 B has a width 8 of 253 mm and an internal dimension 15 of 225 mm.
  • the depth 9 is 271 mm and the distance from the inside of the helmet cap 2 to the standard head 10 (size 62) is 15 to 40 mm. This distance is as in the exemplary embodiment Figures 1A and 1B caused by a headband 11.
  • the surface of the segments 3a, 3b and 3c is between 300 cm 2 and 500 cm 2 in this exemplary embodiment.
  • the surface of the protective helmet 1 is between 1000 cm 2 and 1500 cm 2 . All dimensions mentioned are examples and may have different values in other exemplary embodiments.
  • the protective helmet 1 has in the exemplary embodiment Figures 2A and 2 B also has a metal strip 13, for which the Figures 1A and 1B What has been said applies.
  • Fig. 3A shows a frontal view of a further exemplary embodiment of a protective helmet 1 according to the invention.
  • Fig. 3B shows a section through the in Fig. 3A Plane designated by the reference symbol C, which is perpendicular to the paper plane.
  • the protective helmet 1 has a helmet cap 2, which corresponds to the helmet cap 2 of the exemplary embodiments from the Figures 1A , 1B , 2A and 2 B is comparable. With regard to the helmet cap 2, this applies in relation to the ones in the Figures 1A , 1B , 2A and 2 B embodiments shown.
  • the fiber composite layer 3 is arranged essentially on the entire outside 4 of the helmet cap 2, ie the layer 3 essentially completely covers the helmet cap.
  • layer 3 is designed as a one-piece fiber composite layer. This applies to the production of such a fiber composite layer in relation to the exemplary embodiments Figures 1A , 1B , 2A and 2 B Said.
  • the layer 3 is permanently connected to the underlying helmet cap 2 by means of a connecting layer 5.
  • a connecting layer can, for example, be based on an adhesive, for example a two-component adhesive and possibly a glass fiber mat.
  • the protective helmet of the exemplary embodiment Figures 3A and ⁇ B has a width 8 of 253 mm and an internal dimension 15 of 225 mm.
  • the depth 9 is 269 mm and the distance from the inside of the helmet cap 2 to the standard head 10 (size 62) is 15 to 40 mm. This distance is as in the exemplary embodiment Figures 1A and 1B caused by a headband 11.
  • the height 7 of the helmet is 202 mm.
  • the surface of the protective helmet 1 is between 1000 cm 2 and 1500 cm 2 . All dimensions mentioned are examples and may have different values in other exemplary embodiments.
  • the protective helmet 1 has in the exemplary embodiment Figures 3A and 3B also has a metal strip 13, for which the Figures 1A , 1B , 2A and 2 B What has been said applies.
  • the protective helmet according to the invention can have a visor and/or a neck protector (not shown in the figures).
  • the protective helmet can have one or more fastening means in order to releasably connect the visor and/or the neck protection to the protective helmet.
  • the visor and/or the neck protection can be firmly connected to the helmet dome.
  • Ballistic protective helmets can, for example, be tested for their protective effect according to the test guidelines for “bullet-resistant helmet with visor and neck protection” from the Association of Testing Centers for Attack-Resistant Materials and Construction (VPAM). According to this test guideline, the energy transferred to a measuring head (usually made of soap) must not exceed 25 joules when bombarded. Depending on the caliber and projectile speed at which this upper limit is not exceeded, ballistic protective helmets are divided into test levels. While previously known ballistic protective helmets are grouped up to test level 3, an exemplary embodiment of the protective helmet according to the invention can be grouped into test level 6 ("VPAM 6").
  • embodiments of the present invention may result in other residual energies.
  • embodiments of the present invention can also be tested according to other test guidelines and/or norms and/or standards.
  • the embodiments of the present invention relate to ballistic protective helmets for special forces and police officers.
  • the invention is not limited to this, but can also be used, for example, on protective helmets for military use.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Helmets And Other Head Coverings (AREA)
EP18154496.6A 2018-01-31 2018-01-31 Ballistischer schutzhelm Active EP3520641B1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP18154496.6A EP3520641B1 (de) 2018-01-31 2018-01-31 Ballistischer schutzhelm
HRP20240759TT HRP20240759T1 (hr) 2018-01-31 2018-01-31 Balistička zaštitna kaciga
PL18154496.6T PL3520641T3 (pl) 2018-01-31 2018-01-31 Balistyczny kask ochronny
ES18154496T ES2987936T3 (es) 2018-01-31 2018-01-31 Casco de protección balística
AU2019215711A AU2019215711B2 (en) 2018-01-31 2019-01-28 Ballistic protective helmet
IL276370A IL276370B2 (en) 2018-01-31 2019-01-28 Ballistic protective helmet
CN201980011105.8A CN111698920A (zh) 2018-01-31 2019-01-28 弹道保护头盔
PCT/EP2019/051995 WO2019149661A1 (de) 2018-01-31 2019-01-28 Ballistischer schutzhelm
US16/263,260 US11815337B2 (en) 2018-01-31 2019-01-31 Ballistic protective helmet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18154496.6A EP3520641B1 (de) 2018-01-31 2018-01-31 Ballistischer schutzhelm

Publications (2)

Publication Number Publication Date
EP3520641A1 EP3520641A1 (de) 2019-08-07
EP3520641B1 true EP3520641B1 (de) 2024-03-27

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ID=61132206

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18154496.6A Active EP3520641B1 (de) 2018-01-31 2018-01-31 Ballistischer schutzhelm

Country Status (4)

Country Link
EP (1) EP3520641B1 (pl)
ES (1) ES2987936T3 (pl)
HR (1) HRP20240759T1 (pl)
PL (1) PL3520641T3 (pl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3900564B1 (de) * 2020-04-22 2023-12-27 Ulbrichts GmbH Bewegliches stirnschild

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GB2501707A (en) 2012-05-01 2013-11-06 Beverley Ian Mattinson Helmet cover for helmet with pivoting visor
US20140115745A1 (en) 2012-10-29 2014-05-01 Mark Martinez Metal Reinforced Ballistic Helmet
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DE202015004455U1 (de) 2015-06-19 2015-07-22 Anja Dorny Motorradhelm
EP2726809B1 (en) 2011-06-30 2017-01-11 IMI Systems Ltd. Antiballistic article and method of producing same

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Publication number Priority date Publication date Assignee Title
DE1435757A1 (de) 1963-12-03 1970-09-24 Frieder Leonard Peter Schutzhelm
US3789427A (en) 1972-03-20 1974-02-05 J Aileo Headgear structure
DE7622862U1 (de) 1976-07-20 1976-12-02 Tig Bicord Ag, Huenenberg, Zug (Schweiz) Kugelsicherer kopfschutz
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EP3520641A1 (de) 2019-08-07
PL3520641T3 (pl) 2024-07-22
ES2987936T3 (es) 2024-11-18

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