EP2433514A1 - Stiefel zum schutz vor druckwellenerzeugenden schützenabwehrminen - Google Patents

Stiefel zum schutz vor druckwellenerzeugenden schützenabwehrminen Download PDF

Info

Publication number
EP2433514A1
EP2433514A1 EP09844310A EP09844310A EP2433514A1 EP 2433514 A1 EP2433514 A1 EP 2433514A1 EP 09844310 A EP09844310 A EP 09844310A EP 09844310 A EP09844310 A EP 09844310A EP 2433514 A1 EP2433514 A1 EP 2433514A1
Authority
EP
European Patent Office
Prior art keywords
shock wave
woven
flat
armor
fibers
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.)
Withdrawn
Application number
EP09844310A
Other languages
English (en)
French (fr)
Inventor
Andres Duque
Esteban Perez
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2433514A1 publication Critical patent/EP2433514A1/de
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/0026—Footwear characterised by the shape or the use for use in minefields; protecting from landmine blast; preventing landmines from being triggered
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A43B13/125—Soles with several layers of different materials characterised by the midsole or middle layer
    • A43B13/127—Soles with several layers of different materials characterised by the midsole or middle layer the midsole being multilayer

Definitions

  • the invention is related to boot type footwear for civilian and military use, aimed to protect people against blast effects from non industrial or improvised antipersonnel land mines, preventing the user from injuries that would be present without the use of the boots or reducing the injuries caused by the explosive device.
  • the present solution brings protection in the case of non industrial or improvised antipersonnel land mines.
  • An armor system for antipersonnel land mines integrated to the boot is presented.
  • the armor system has three protection elements, a sole for thermal and blast energy, a deflector for thermal and blast energy dissipation while disintegrated and a main armor to stop the remaining blast wave pressure.
  • the boot also has side armor to protect against shrapnel.
  • Sole reinforcements have also been used by adding semi elliptical woven sections which are integrated to the sole and reinforced with metallic webs and girders which give resistance against penetration but do not give protection against thermal gradient caused by the explosion.
  • Another invention has used a sole with an industrial safety use insole with injected plastic and metallic reinforcement to give protection against penetrations. This device brings protections against penetrations but does not give protection against blast wave.
  • a box type device attaches to the wearer foot with regular shoes; the box is made with acoustical absorbing materials.
  • the device is layered with a thermal resistant material, a layer of water proof material and a layer of penetration resistant material.
  • the device is designed to avoid mutilations from land mine activation but present the problem that it is not designed for mountain terrains and does not fit naturally to the wearer foot.
  • An approach using a blast and sharpnel resistant boot made with a rubber sole with a Kevlar 49 layered insole is integrated to the sole.
  • a Kevlar 49 shell is used under the body of the boot which is later sewed to the boot.
  • Boot inside armor is joined to the boot body shell with adhesives. It has the problem that the armor is disintegrated when the antipersonnel land mine has a high explosive velocity and these explosives have a higher thermal gradient.
  • Antipersonnel land mine protective insole has also been use; the insole is made by at least 30 layers of high resistance woven material.
  • the insole is manufactured with a first layer of high resistance material followed by a layer with equal or less resistance.
  • woven Kevlar is used and in the second Spectra is used.
  • the layers are sewn to the perimeter and inside the insole forming a grid.
  • the system has the problem that the armor is disintegrated when the antipersonnel land mine has a high explosive velocity and these explosives have a higher thermal gradient.
  • Another approach consists of antipersonnel land mines protective system built with an accessory assembly to the foot of the wearer with regular shoes; it has 4 legs that elevate a platform from the ground, the platform has a V shape in the downside that deflects the shock wave to the sides. It has the problem that it is not designed as a regular shoe and does not adapt naturally to the foot, causing fatigue and limiting wearer mobility.
  • the boot sole consists of a corrugated resistant material sheet and a rubber sole.
  • the corrugated structure is manufactured from metal or metal matrix ceramic composite placed in the foot ball, in the foot front or from the foot ball to the foot front. Recovering the foot, specifically between the outer boot shell and the foot, there is an armor consisting of two or three layers of Twaron; the layers are adhered using hot melt polyurethane adhesives. Between the armor material shell and corrugated structure there an insole composed by at least 15 layers of woven aramid and woven ceramics in the down side. This has the problem that the corrugated sheet is made from metallic and ceramic material generating shrapnel after the explosion.
  • Another approach to solving the problem is a fragment and shock wave resistant safety boot sole based on a polyurethane and polyester sole with woven aramid reinforcements integrated to the sole; these materials are wet with polyester or polyester polyurethane to enhance the adherence between the reinforcement and sole material adhesion and carbon and glass fibers could be integrated to the reinforcement to enhance thermal resistance. It has the problem that the reinforcement adhesives increase the compatibility but cannot be placed in the right amount to achieve the protection level needed for the non industrial improvised antipersonnel land mines.
  • Land mine protection devices consisting of a V shape sole (Boat hull shape) have also been used with a 40 to 80 Shore A hardness. Sole geometry reflects land mine blast wave but it has the problem that the V shape has high inertia limiting user mobility and also the V shape sole does not mitigate the thermal energy generated by the high explosive velocity as found in personnel land mines.
  • footwear type composed by an inside sole inclined sheet to reflect shock waves and an over sole boot protection made with polycarbonate has been used; on this device the inclined sheet can be metallic and be provided with explosive material to equilibrate land mine explosive energy underneath it. It has the problem that the inclined sheet material could become shrapnel, causing injuries to the user.
  • the invention “Blast wave type antipersonnel land mine protection boot”, are regular infantry boots which provide protection against antipersonnel land mine effects, which reduce injuries and related effects caused by these type of devices on the lower limbs.
  • the boots use body armor in order to deflect shock waves and provide proper protection against non-industrial antipersonnel land mines like the ones present on the Colombian territory and prevent injuries from shock waves and higher temperatures that cause severe injuries to the victims, or simply disintegrate the armor leaving lower limbs exposed to shock wave effects. They are also effective against shrapnel generated by the explosion, are comfortable to use even in abrupt mountainous terrains and do not produce excessive fatigue even after long walks, and offer an affordable price.
  • the "Mine Pro Blast Wave Type Antipersonnel Land Mine Protection Boot” relevance consists in that it solves the problems found with the previously cited inventions. Given the nature of non-industrial antipersonnel land mines, with this invention, protection is achieved with high explosive loads and higher thermal effect than for standard military land mines.
  • the Footwear for protection against land mines of shock wave type is an armor plating system for protection against anti-personal mines integrated into a countermine boot.
  • the system is made up of armor with three elements of protection, a sole to absorb thermal and pressure energy, a deflector to dissipate thermal energy to the extent that it breaks down and reflects pressure, a main armor to contain the shock wave of pressure and a secondary armor to protect from fragments.
  • the purpose of the Footwear for protection against land mines of shock wave type is to provide a generic body armor system simple and robust to prevent injuries caused when operating anti-personal handcrafted mines used by insurgent forces.
  • the system is a combat boot with built-armor that dispels the shock wave from the explosion.
  • the armor incorporates an energy dissipating sole, a wave deflector with dissipating wave channels, a basis of thermo-stable resins and high mechanical strength fibers and a lead armor built using a multilayer system of high mechanical strength material, which together dissipate shock and protect from the fragments generated during the explosion of the bomb.
  • the invention supports and protects from the effect of the shock wave, decreasing or even preventing lower limb injuries and avoiding mayhem in individuals belonging to military forces, peasants and civilians that due to the nature of their work must move in areas under the influence of land mines.
  • the invention is classified as a device for body armor that protects users from injuries caused by landmines. It decreases specifically the rate of mutilation caused when the user activates, by pressure or pressure relief, a landmine.
  • shock wave destroys the various components of the armor but as the armor is reduced, the energy is dissipated and the effect of heat and pressure generated by the land mine is finally dispelled.
  • the presented invention "Blast wave antipersonnel land mine protection boot” consists of a four element armor system integrated to a boot in order to offer protection against non industrial improvised antipersonnel land mines and standard military land mines, generating blast waves, shrapnel and high temperatures which was developed by the need of military personnel and specifically infantry troops to have protections systems against antipersonnel land mines found on operational theaters.
  • the solution presented is not just for military and police use, it is also practical for farmers, journalists and the civilian population who given the nature of their jobs need to mobilize in areas where presence of antipersonnel land mines is suspected.
  • a body armor device integrated to footwear protects the user against injuries and mutilations caused by buried antipersonnel land mines.
  • the cited device on this document is an armor boot against buried antipersonnel land mines consisting of an energy mitigation sole (A2), a wave deflector with wave deflection channels (A1), main armor (A9) and a boot body over the armor with secondary armor (A10-A8).
  • Boot sole and deflector protect against high temperatures and blast wave; the main armor protects against shrapnel and also mitigates the blast wave; the secondary armor also protects against shrapnel.
  • the invention protects against the three effects derived from the explosion of a non industrial or military standard antipersonnel land mine.
  • the boot has vulcanized elastomers (A2) on the energy mitigation sole, which is disintegrated with the improvised antipersonnel land mine blast wave and the heat generated.
  • the sole itself, integrates a blast wave deflector manufactured with fiber reinforced plastic with a semicircular channel geometry ( figures 1.1 - 1.3 ), which drives the antipersonnel land mine shock wave energy.
  • a main armor insole is incorporated ( figure 1.9 ) assembled to the shoe upper body and manufactured with woven polymer fabrics joined with adhesives.
  • the land mine antipersonnel protection boot has a inner upper body shoe shell ( figure 1.10 - 1.8 ), consisting of woven polymer fabrics sewn on the edges and adhered to the shoe with polymer adhesives.
  • the energy mitigation sole is mechanically assembled to the shoe by contact cements or by direct injection and vulcanizing.
  • the blast wave deflector mechanism consists of semicircular channels ( figure 1.1 - 1.3 - 1.4 ) placed lengthwise and crosswise under the heel and the foot front. It is joined with adhesives to the main armor sewn to the upper shoe.
  • thermal resistance is needed. The thermal resistance is achieved with the combined effect from the rubber sole and the blast wave deflector.
  • the blast wave deflector is a channel with semicircular geometry which is integrated to the sole of the heel section, in the mid foot and in the forefoot.
  • the deflector is manufactured by:
  • the manufacturing process of the deflector ( Figure 4 ) or mold, is performed in two stages: First ( Figure 3.1 ) is made with Chopped Strand Matt of Fiberglass E, 600 g/m 2 , with flat-woven non-twisted fiberglass yarn 320 gr/m 2 . This first stage is performed with novalac epoxy vinyl ester resin with a resin-reinforcement ratio of 0.4. This first stage has a silicone countermould, variations of this invention include plastic films. The use of rigid or semi-rigid countermoulds can leave residues of form release agents at the interphase between the first and the second stage thus reducing the Young modulus of the deflector, to the extent that there is slippage between the two stages.
  • the second stage of the deflector ( Figure 3.2 ) is performed with a second countermould.
  • Lamination consists of flat-woven tissue of not twisted yarn of high modulus carbon, alternated with non-woven sheets of Chopped Strand Mat, 220 g/m 2 , which are made of 5 layers of nonwoven E-glass sheets and flat-woven of non-twisted carbon yarn.
  • the infusion is made with bisphenol A vinyl ester epoxy resin; variations of the invention include epoxy infusion with no nonwoven E-glass sheets. If the variation is applied with epoxy resin the number of layers in the first stage should be increased because non-woven E-glass sheets increase the resistance against high temperature, while carbon content increases mechanical resistance against wave pressure shock. In all cases after curing of deflector should be done to increase glass transition temperature of the compound.
  • Variations of the invention where higher level of protection is required can be made by increasing the number of layers without these losing their protection characteristics, mobility and cost and making different combinations of several flat-woven, unidirectional fabrics and other types of non-twisted fibers such as poly p-fenilen tereftalamid (aramid), boron fibers, S-glass and basalt fibers.
  • poly p-fenilen tereftalamid aramid
  • boron fibers boron fibers
  • S-glass and basalt fibers p-fenilen tereftalamid
  • shock wave deflector On the shock wave deflector is the body of the boot which includes the secondary armor ( Figure 1.8 ) against fragments and main armor, the toecap, the buttress, the bellows and the reed. This has lead shielding in the area of the trim
  • the reed and the buttress are armored with layers of 200 g/m 2 , alternating with layers of 450 g/m 2 of flat-woven of not twisted fibers of aromatic poly p- fenilen tereftalamid, these layers are bonded with polychloroprene contact cement.
  • the inventor has found that laminates made with poly p- fenilen tereftalamid and polychloroprene increase ballistic resistance as ballistic particles have to tear the adhesive between the layers of reinforcing material to increase the absorption of energy in the armor system.
  • the armor consists of one or more alternating layers of non-twisted yarn of flat-woven poly p- feline tereftalamid, 200 g/m 2 and 450 g/m 2 , laminated with polychloroprene contact cements.
  • the secondary shield is sewn to the area of the template to the main shield with nylon threads.
  • the main shield is composed of layers of flat-woven yarns of not twisted poly p- feline tereftalamid, 200 gr/m 2 and 232 gr/m 2 , laminated with contact cement of polychloroprene.
  • the inventor has found 14 layers of 200 gr/m 2 and 2 layers of 232 gr/m 2 , important and appropriate levels of protection.
  • Use of 2 layers of non-woven sheets of fiberglass-E 600 g/ m 2 provides a final thermal barrier. These are sewn against the rolled deflector of poly p-fenilen tereftalamid bonded with polychloroprene.
  • Future variations of the invention include a greater number of layers and the use of flat-woven not twisted yarns of polyethylene of ultra high molecular weight and other types of weaves, without altering the characteristics of cost and convenience.
  • the main armor is sewn into the bottom of its perimeter with leather section of the toecap and the reed of the boot that has no side armor. Sewing is made with threads of nylon.
  • the body of the boot with side armor and the main armor is positioned in a vulcanizing press. Inside the press the deflector of the shock wave is located. Melt rubber is then added and the deflector is embedded between the sole.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP09844310A 2009-05-05 2009-05-05 Stiefel zum schutz vor druckwellenerzeugenden schützenabwehrminen Withdrawn EP2433514A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2009/005619 WO2010128349A1 (es) 2009-05-05 2009-05-05 Bota de protección contra minas antipersonal del tipo onda de choque

Publications (1)

Publication Number Publication Date
EP2433514A1 true EP2433514A1 (de) 2012-03-28

Family

ID=43050029

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09844310A Withdrawn EP2433514A1 (de) 2009-05-05 2009-05-05 Stiefel zum schutz vor druckwellenerzeugenden schützenabwehrminen

Country Status (2)

Country Link
EP (1) EP2433514A1 (de)
WO (1) WO2010128349A1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573969A1 (fr) * 1984-12-03 1986-06-06 Quinette Internal Sa Nappe de revetement destinee notamment a revetir des sieges
IL127190A (en) * 1996-05-21 2002-11-10 Bfr Holdings Ltd Blast resistant footwear
SG126668A1 (en) * 1998-12-29 2006-11-29 Bfr Holding Ltd Protective boot and sole structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010128349A1 *

Also Published As

Publication number Publication date
WO2010128349A1 (es) 2010-11-11

Similar Documents

Publication Publication Date Title
US5979081A (en) Blast and fragment resistant safety boot footwear
US6425193B2 (en) Protective boot and sole structure
AU2001238998B2 (en) Material consisting of several layers for protecting parts of the body
US20160131457A1 (en) Non-scalar flexible rifle defeating armor system
US20140290474A1 (en) Multi-layer structure for ballistic protection
EP3098560B1 (de) Kugelsichere schutzstruktur und zugehörige kugelsichere weste
ES2660478T3 (es) Protección balística con estructura de capas múltiples que incluye una pluralidad de elementos rígidos
EP0921736B1 (de) Explosionssicheres schuhwerk
ES2279107T3 (es) Panel antibalistico ligero y procedimiento para la fabricacion de dicho panel.
US20180292181A1 (en) Protective material
KR100320671B1 (ko) 방폭 방탄 안전 전투화
EP2433514A1 (de) Stiefel zum schutz vor druckwellenerzeugenden schützenabwehrminen
Kamberoğlu et al. Evaluation of foot protection effectiveness against AP mine blasts: effect of deflector geometry
WO2010130231A1 (en) Blast protective boots with optimized design components
US20120167754A1 (en) Ballistic resistant fabrications
Karahan et al. Blast performance of demining footwear: Numerical and experimental trials on frangible leg model and injury modeling
CN214340434U (zh) 扫雷防护靴
Karahan et al. Evaluation of Lower Limb Injury against AP Mine Blast: Numerical and Experimental Trials
KR100514902B1 (ko) 개선된폭발저항성신발
WO2003037125A1 (en) Anti land-mine boots
US20230015396A1 (en) Energy dampening systems
KR101360397B1 (ko) 경량화 및 박형화한 총알류, 도검류, 폭발물 방어용 통합 탄도판 제조 방법 및 이 제조 방법에 의해 제조된 통합 탄도판
Mishra et al. Materials and Technologies for Personal Protection Systems (PPSs)
KR200207059Y1 (ko) 방폭화의 몸체구조
US20160349016A1 (en) Ballistic resistant article

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20111203

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20151201