EP2776781B1 - Protection à blindage passif composite - Google Patents

Protection à blindage passif composite Download PDF

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Publication number
EP2776781B1
EP2776781B1 EP12798896.2A EP12798896A EP2776781B1 EP 2776781 B1 EP2776781 B1 EP 2776781B1 EP 12798896 A EP12798896 A EP 12798896A EP 2776781 B1 EP2776781 B1 EP 2776781B1
Authority
EP
European Patent Office
Prior art keywords
armor protection
fibers
passive armor
composite passive
tubes
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
EP12798896.2A
Other languages
German (de)
English (en)
Other versions
EP2776781A1 (fr
Inventor
Jerzy Sobczak
Pawel Darlak
Piotr Dlugosz
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.)
Instytut Odlewnictwa
Original Assignee
Instytut Odlewnictwa
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
Application filed by Instytut Odlewnictwa filed Critical Instytut Odlewnictwa
Publication of EP2776781A1 publication Critical patent/EP2776781A1/fr
Application granted granted Critical
Publication of EP2776781B1 publication Critical patent/EP2776781B1/fr
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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
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction
    • F41H5/04—Plate construction composed of more than one layer
    • F41H5/0492—Layered armour containing hard elements, e.g. plates, spheres, rods, separated from each other, the elements being connected to a further flexible layer or being embedded in a plastics or an elastomer matrix
    • 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
    • F41H5/0414—Layered armour containing ceramic material
    • F41H5/0421—Ceramic layers in combination with metal layers
    • 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
    • F41H5/0414—Layered armour containing ceramic material
    • F41H5/0428—Ceramic layers in combination with additional layers made of fibres, fabrics or plastics
    • 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
    • F41H5/0442—Layered armour containing metal
    • F41H5/0457—Metal layers in combination with additional layers made of fibres, fabrics or plastics

Definitions

  • the invention relates to a composite passive armor protection to safeguard objects from the effect of projectiles and projectile fragments.
  • the energy-absorbing elements are embedded in a non-metallic matrix. Elements, having the shape of cylindrical bodies, are arranged in layers and placed next to each other or at certain distances.
  • the protective screen to defend against explosion as disclosed in PL171251 is made of air-permeable side layers, having the form of precut sheets of metal foil, and of a porous core, placed between these foils, containing the beads or ellipsoids made of the same material as the sheet.
  • the sheets of metal foil contain magnesium alloy.
  • a passive armor known from the PL181177 description consists of the main inner protective metal layer and the outer protective layer comprising a number of rectangular, metallic cassettes containing ceramic layers.
  • a safety element used to protect the life and health of the crew of a military vehicle against the explosion of mine under this vehicle known from the PL206571 description consists of a shield having through-holes on its entire surface.
  • the shield is connected by means of the vertical supports with a thin intermediate plate, which, through springs and connected to these springs mounting plates, is attached to the underside of the vehicle floor. Discharge ducts are running from the shield surface.
  • Patent specification US 7, 694, 621 which forms the starting point for the preamble of claim 1, discloses a composite armor having a layered matrix structure with embedded ceramic pellets, each pellet having a front surface intestinally convex.
  • the ceramic pellets are seated in a fabric network, and are molded with the selected thermo-set or thermoplastic polymer material, which functions as impact absorber and position keeper of the pallets.
  • a composite passive armor protection according to the present invention comprises the features of claim 1.
  • the geometric solids are embedded in the grid openings.
  • the geometric solids are in the shape of spheres or truncated pyramids with a square base.
  • the geometric solids are ceramic or metallic solids.
  • the fibers are successively passing through all the tubes in one plane and the ends of the fibers are connected to each other, or fibers are interconnected in such a way that the fiber ends passing through the tubes in one plane are connected to the fiber ends passing through the tubes in the next plane.
  • the fibers are aramid or steel fibers.
  • a composite passive armor protection according to the present invention is resistant to projectile impacts.
  • the protruding part of geometric solids prevents the penetration of AP-type projectiles, projectile fragments, and small arms projectiles.
  • the mere shape and very hard material of the geometric solids cause distortion in the projectile flight path, or ricochet and weakening of the projectile kinetic energy. Brackets and rods passing through these brackets reinforce the plate and act as a shock absorbing cushion for the geometric solids.
  • the matrix made of a light alloy protects the armor against tearing.
  • the composite passive armor protection according to the present invention, the matrix whereof is made of a light alloy is highly effective in protection against the AP projectiles of up to 12.6 mm. The use of light alloy as a matrix material reduces the armor weight, thereby increasing the mobility of the protected vehicles, reducing fuel consumption and enabling the armor to be used as a means of protection for the aircraft and watercraft.
  • the composite passive armor protection is made by casting methods.
  • the structure composed of geometric solids resting on a grid made of tubes is placed in a specially designed foundry mould and poured with a liquid light metal alloy.
  • the alloy solidification is carried out under the conditions of elevated pressure.
  • the armor is subjected to machining to the required dimensions.
  • a composite passive armor protection comprises a structure embedded in the light metal alloy matrix 1, wherein said structure is made of ceramic balls 2, resting on a grid formed by two layers of tubes 3 arranged at an angle to each other, wherein through the tubes 3 fibers 4 are passing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Claims (9)

  1. Blindage de protection passif en composite, possédant une structure noyée dans la matrice en alliage léger 1, constituée d'éléments sous forme de solides géométriques 2 installés sur un bâti-support en forme de grille, les solides géométriques 2 étant noyés dans la matrice en alliage léger 1 jusqu'au-dessus de la moitié de leur hauteur totale, caractérisé en ce que la grille est formée de couches de tubes 3 reliés de façon permanente ; étant donné qu'à travers les tubes 3 passent les fibres 3.
  2. Blindage de protection passif selon la revendication 1, caractérisé en ce que les tubes 3 sont parallèles les uns aux autres dans une même couche.
  3. Blindage de protection passif selon la revendication 1, caractérisé en ce que les solides géométriques 2 sont installés dans les trouées de la grille.
  4. Blindage de protection passif selon la revendication 1, caractérisé en ce que les solides géométriques 2 ont la forme de sphères.
  5. Blindage de protection passif selon la revendication 1, caractérisé en ce que les solides géométriques 2 ont la forme de pyramide tronquée à base carrée.
  6. Blindage de protection passif selon la revendication 1, caractérisé en ce que les solides géométriques 2 sont en céramique ou en métal.
  7. Blindage de protection passif selon la revendication 1, caractérisé en ce que les fibres 4 passent successivement à travers tous les tubes 3 dans une même couche et que les extrémités des fibres 4 sont reliées entre elles.
  8. Blindage de protection passif selon la revendication 1, caractérisé en ce que les fibres 4 sont reliées de manière à ce que les extrémités des fibres 4 passant à travers les tubes dans une couche soient reliées aux extrémités des fibres 4 passant à travers les tubes 3 dans la couche adjacente.
  9. Blindage de protection passif selon la revendication 1, caractérisé en ce que les fibres 4 sont des fibres d'aramide ou d'acier.
EP12798896.2A 2011-11-07 2012-10-25 Protection à blindage passif composite Active EP2776781B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PL396895A PL222728B1 (pl) 2011-11-07 2011-11-07 Pasywny kompozytowy pancerz ochronny
PCT/PL2012/000116 WO2013070099A1 (fr) 2011-11-07 2012-10-25 Protection à blindage passif composite

Publications (2)

Publication Number Publication Date
EP2776781A1 EP2776781A1 (fr) 2014-09-17
EP2776781B1 true EP2776781B1 (fr) 2016-03-30

Family

ID=47326294

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12798896.2A Active EP2776781B1 (fr) 2011-11-07 2012-10-25 Protection à blindage passif composite

Country Status (6)

Country Link
US (1) US20150268006A1 (fr)
EP (1) EP2776781B1 (fr)
IL (1) IL232349A (fr)
PL (1) PL222728B1 (fr)
WO (1) WO2013070099A1 (fr)
ZA (1) ZA201402981B (fr)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3705558A (en) * 1963-04-24 1972-12-12 Gen Motors Corp Armor
US3431818A (en) 1965-04-26 1969-03-11 Aerojet General Co Lightweight protective armor plate
US3523057A (en) * 1965-10-24 1970-08-04 Schjeldahl Co G T Ball and plastic armour plate
PL129419B1 (en) 1978-05-04 1984-05-31 Zaklady Maszyn I Urzadzen T Un Control system
ATE188010T1 (de) 1991-10-25 2000-01-15 Firexx Corp Explosionsschutzkissen und deren verwendungsverfahren
US5804757A (en) * 1996-03-29 1998-09-08 Real World Consulting, Inc. Flexible, lightweight, compound body armor
US5705764A (en) * 1996-05-30 1998-01-06 United Defense, L.P. Interlayer for ceramic armor
PL181177B1 (pl) 1996-09-10 2001-06-29 Wojskowy Inst Techniczny Uzbro Pancerz pasywny
EP0967453A1 (fr) * 1998-06-25 1999-12-29 Armortec Incorporated Matériau flexible résistant à l'impact
US7694621B1 (en) * 2005-07-22 2010-04-13 Mkp Structural Design Associates, Inc. Lightweight composite armor
US7866248B2 (en) * 2006-01-23 2011-01-11 Intellectual Property Holdings, Llc Encapsulated ceramic composite armor
US20080307553A1 (en) * 2007-06-12 2008-12-18 Energy Science Llc Method And Apparatus For Protecting Against Ballistic Projectiles

Also Published As

Publication number Publication date
WO2013070099A1 (fr) 2013-05-16
PL396895A1 (pl) 2013-05-13
IL232349A0 (en) 2014-06-30
ZA201402981B (en) 2015-09-30
US20150268006A1 (en) 2015-09-24
IL232349A (en) 2017-04-30
EP2776781A1 (fr) 2014-09-17
PL222728B1 (pl) 2016-08-31

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