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WO2025074345A1 - Structure de protection pare-balles - Google Patents

Structure de protection pare-balles Download PDF

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Publication number
WO2025074345A1
WO2025074345A1 PCT/IB2024/059790 IB2024059790W WO2025074345A1 WO 2025074345 A1 WO2025074345 A1 WO 2025074345A1 IB 2024059790 W IB2024059790 W IB 2024059790W WO 2025074345 A1 WO2025074345 A1 WO 2025074345A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
fibers
layers
ballistic
protective structure
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.)
Pending
Application number
PCT/IB2024/059790
Other languages
English (en)
Inventor
Rovai RICCARDO
Bocini LORIANO
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.)
Industrie Bitossi SpA
Original Assignee
Industrie Bitossi SpA
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 Industrie Bitossi SpA filed Critical Industrie Bitossi SpA
Publication of WO2025074345A1 publication Critical patent/WO2025074345A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/14—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a face layer formed of separate pieces of material which are juxtaposed side-by-side
    • B32B3/16—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a face layer formed of separate pieces of material which are juxtaposed side-by-side secured to a flexible backing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/026—Knitted fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B32B5/275—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary characterised by one woven fabric layer next to a non-woven fabric layer
    • B32B5/277—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary characterised by one woven fabric layer next to a non-woven fabric layer including an additional non-woven fabric layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
    • 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
    • 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
    • F41H5/0471—Layered armour containing fibre- or fabric-reinforced 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
    • F41H5/0471—Layered armour containing fibre- or fabric-reinforced layers
    • F41H5/0478—Fibre- or fabric-reinforced layers in combination with plastics 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
    • F41H5/0492—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/42—Alternating layers, e.g. ABAB(C), AABBAABB(C)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2571/00—Protective equipment
    • B32B2571/02—Protective equipment defensive, e.g. armour plates or anti-ballistic clothing

Definitions

  • the number of overlapping layers determines the protective ability of the structure.
  • Rigid composites with or without ceramic elements, are made by pressing ballistic fabrics at a high pressure, at a controlled temperature impregnated with phenolic or epoxy thermoplastic resins, which completely incorporate the fibers, blocking them.
  • the resins constitute the continuous matrix inside which the ballistic fibers are inserted.
  • Patent US 5996115 describes a bulletproof vest, in which the fabric part is made up of a plurality of layers of fabric sewn to one another; this feature results in the rigidity of the fabric part, because the layers are not free to slide relative to one another.
  • patent application EP 2682707 Al describes a protective structure against bullets and/or knives formed by: a front part A (i.e. facing outwards when the structure is in use) made up of a layer of adjacent ceramic elements interposed between, and glued by means of two layers of elastomeric adhesive to, two ballistic layers, the composition of which is not specified; and a rear part B, the shatterproof package, formed by a plurality of overlapping ballistic fabric layers.
  • the layers of ballistic fabric forming part B are not glued to one another, and they are covered with a low friction plastic material, which allows the mutual sliding of the layers.
  • a bulletproof protective structure comprising a flexible assembly made up of intertwined or unidirectional ballistic fibers onto which rigid metal or ceramic ballistic elements adjacent to one another are made to adhere, characterized in that the flexible assembly comprises:
  • an intermediate part formed by several layers consisting of fibers made with high-tenacity polymers, in the form of fabric or unidirectional;
  • FIG. 1 shows a sectional exploded and schematic view of a bulletproof protective structure of the invention
  • - figure 2 shows a schematic plan view of a possible arrangement of rigid metal or ceramic ballistic elements in a bulletproof protective structure of the invention
  • - figure 3 shows a cross-sectional view of protective clothing comprising a bulletproof protective structure of the invention.
  • Figure 1 schematically shows a sectional view of a structure of the invention: the structure, 10, is made up of a support part 11, on which an intermediate part 12 is arranged, formed by several layers of fibers 12’; on top of the upper layer of fibers of part 12 there is a layer 13 of rigid metal or ceramic ballistic elements, cumulatively indicated as elements 13’ (also defined hereinafter simply as “ballistic elements”); finally, the assembly made up of parts 11 and 12 and layer 13 is inserted into the item of clothing 15.
  • elements 13 also defined hereinafter simply as “ballistic elements”
  • An intermediate part 12 is present above support 11, comprising several layers formed by fibers, in turn, in the form of fabric or unidirectional.
  • the number of layers of fibers of this part can vary from 2 to 15 (in figure 1, purely by way of example, 7 layers are shown); these layers are indicated cumulatively in figure 1 as elements 12’.
  • the layers 12’ are formed of several levels (at least two) of overlapping fibers, to allow one level to slide over the other, and consequently ensure the flexibility of the assembly.
  • each thermoplastic adhesive layer 12 is inserted into the structure in the form of a thin film, typically having an areal mass between 10 and 50 g/m 2 , preferably about 30 g/m 2 .
  • a layer 13 made up of a mosaic of ballistic elements 13’ glued to the upper layer 12’ of part 12 by means of a thermoplastic adhesive film 14.
  • Layer 14 is made of a thermoplastic adhesive selected from the same adhesives with which layers 12” are made (not necessarily having the same chemical composition as layers 12”), but it has a greater thickness, with an areal mass between 50 and 100 g/m 2 , preferably about 80 g/m 2 .
  • the invention relates to a bulletproof protective garment enclosing the above structure 10.
  • FIG. 3 An example of a bulletproof garment using the protective structure of the invention is shown in a partial cross-section in figure 3.
  • the garment 30 is appropriately shaped to be worn;
  • a vest is shown in the figure comprising a front part and a rear part 32, which are linked by two side parts 33 and two shoulders 34 and 34’, where there are closing elements (e.g. the two shoulders could come from the closing of two Velcro edges).
  • the invention relates to a process for producing the bulletproof protective structure described thus far.
  • the process comprises a first step A) of molding part 12 with the simultaneous adhesion to the same of the ballistic elements 13’; and a second step B) of coupling the assembly formed by part 12 and by layer 13 to the support part 11.
  • the first step, A) is the main step of the invention, which allows giving the final bulletproof protective structure the desired features of flexibility.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

L'invention concerne une structure de protection pare-balles (10) constituée d'un ensemble souple comprenant une partie de support (11) constituée de plusieurs couches formées par des fibres non collées les unes aux autres, au-dessus de ladite partie de support, mais non collées à ladite partie de support, une partie intermédiaire (12) formée à son tour par plusieurs couches constituées de fibres (12') et une couche (13) formée par des éléments rigides constitués de matériau balistique adhérant à la partie intermédiaire; l'ensemble constitué des parties 11 et 12 et de la couche 13 est ensuite éventuellement inséré dans un vêtement (15) formant un vêtement de protection pare-balles (30).
PCT/IB2024/059790 2023-10-05 2024-10-07 Structure de protection pare-balles Pending WO2025074345A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102023000020637A IT202300020637A1 (it) 2023-10-05 2023-10-05 Struttura di protezione antiproiettile
IT102023000020637 2023-10-05

Publications (1)

Publication Number Publication Date
WO2025074345A1 true WO2025074345A1 (fr) 2025-04-10

Family

ID=89308126

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2024/059790 Pending WO2025074345A1 (fr) 2023-10-05 2024-10-07 Structure de protection pare-balles

Country Status (2)

Country Link
IT (1) IT202300020637A1 (fr)
WO (1) WO2025074345A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998037376A1 (fr) * 1997-02-19 1998-08-27 United Defense, L.P. Blindage composite pour vehicule et son procede de fabrication
US20110008598A1 (en) * 2008-03-12 2011-01-13 Tec.Inn. S.R.L. Protective panel
EP2682707A1 (fr) * 2011-03-01 2014-01-08 Fedur, S.A. Structure de protection souple améliorée
EP3457075A1 (fr) * 2017-09-13 2019-03-20 Protecop Article resistant aux balles et/ou aux armes blanches, notamment un gilet pare-balles comportant un empilement de panneaux a base de fibres

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5996115A (en) 1992-08-24 1999-12-07 Ara, Inc. Flexible body armor
US7994074B1 (en) 2007-03-21 2011-08-09 Honeywell International, Inc. Composite ballistic fabric structures
CA2900800C (fr) 2013-02-14 2020-07-14 Teijin Aramid Gmbh Article balistique lourd et procede pour fabriquer ledit article
WO2014197084A2 (fr) 2013-03-15 2014-12-11 Whitaker Scott R Bouclier de protection balistique
ITUB20151170A1 (it) 2015-05-28 2016-11-28 Elet Ca S R L Con Socio Unico Struttura di protezione antiproiettile e corrispondente giubbotto antiproiettile
EP3805691B1 (fr) 2019-10-07 2023-09-06 ELET.CA S.r.l. con Socio Unico Composant élémentaire de protection pare-balles et panneau balistique et structure de protection pare-balles correspondants, notamment sous forme de gilet pare-balles

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998037376A1 (fr) * 1997-02-19 1998-08-27 United Defense, L.P. Blindage composite pour vehicule et son procede de fabrication
US20110008598A1 (en) * 2008-03-12 2011-01-13 Tec.Inn. S.R.L. Protective panel
EP2682707A1 (fr) * 2011-03-01 2014-01-08 Fedur, S.A. Structure de protection souple améliorée
EP3457075A1 (fr) * 2017-09-13 2019-03-20 Protecop Article resistant aux balles et/ou aux armes blanches, notamment un gilet pare-balles comportant un empilement de panneaux a base de fibres

Also Published As

Publication number Publication date
IT202300020637A1 (it) 2025-04-05

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