[go: up one dir, main page]

WO2017133275A1 - Clôture antidéflagrante - Google Patents

Clôture antidéflagrante Download PDF

Info

Publication number
WO2017133275A1
WO2017133275A1 PCT/CN2016/103366 CN2016103366W WO2017133275A1 WO 2017133275 A1 WO2017133275 A1 WO 2017133275A1 CN 2016103366 W CN2016103366 W CN 2016103366W WO 2017133275 A1 WO2017133275 A1 WO 2017133275A1
Authority
WO
WIPO (PCT)
Prior art keywords
explosion
proof
strength
strength unit
fence
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.)
Ceased
Application number
PCT/CN2016/103366
Other languages
English (en)
Chinese (zh)
Inventor
谷志飞
冯益柏
高山
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.)
Baotou North Jerry Defense Technology Co Ltd
Original Assignee
Baotou North Jerry Defense Technology Co Ltd
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 Baotou North Jerry Defense Technology Co Ltd filed Critical Baotou North Jerry Defense Technology Co Ltd
Publication of WO2017133275A1 publication Critical patent/WO2017133275A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D5/00—Safety arrangements
    • F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
    • F42D5/045—Detonation-wave absorbing or damping means
    • 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
    • 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
    • B32B1/00—Layered products having a non-planar shape
    • 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
    • B32B3/02—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 features of form at particular places, e.g. in edge regions
    • B32B3/06—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 features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/0076—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised in that the layers are not bonded on the totality of their surfaces
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • B32B5/022—Non-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
    • B32B5/22—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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00—Fencing, e.g. fences, enclosures, corrals
    • E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/20—Posts therefor
    • 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
    • B32B2250/20—All layers being fibrous or filamentary
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/56—Damping, energy absorption
    • 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 application relates to the technical field of safety protection, and in particular to an explosion-proof fence.
  • the embodiment of the present application provides an explosion-proof fence, which is obtained by connecting a plurality of explosion-proof bulletproof high-strength unit plates into a cylinder, wherein the high-strength unit plate comprises a hollow winding composed of a multi-layer fabric, a unidirectional cloth, a non-woven fabric or a combination thereof.
  • a high-strength unit plate body formed by multiple turns and hot pressing.
  • both ends of the high-strength unit board body may be respectively provided with through holes integrally formed with the high-strength unit board body, and the intermediate portion of the high-strength unit board body is dense.
  • the high-strength unit board is detachably connected as a cylinder.
  • the through-hole segments on both sides of the high-strength cell plate may respectively form a concave-convex structure, and the adjacent concave and convex structures of the adjacent two high-strength cell plates are complementary, and the two adjacent high-strength members may be inserted through the connecting member.
  • the connector is a high strength plunger or pin.
  • the concave-convex structures respectively formed on the through-hole sections on both sides of the high-strength cell plate may be distributed symmetrically, equally distributed asymmetrically, unevenly symmetrically distributed, or unevenly distributed asymmetrically distributed.
  • a vent opening may be opened below the high-strength unit plate, and preferably, the area of the vent opening may be less than 30% of the area of the high-strength unit board.
  • the venting opening may have a shape of a semicircle, an arch, a rectangle, a square or a trapezoid.
  • the high strength unit plate is a curved plate or a non-arc plate.
  • At least one of the fabric, the unidirectional cloth, and the non-woven fabric is prepared by mixing one or more of the following materials. : basalt fiber, glass fiber, aramid fiber, carbon fiber, ultra high molecular weight polyethylene fiber, ultra high molecular weight polyethylene tape.
  • the length direction of the unidirectional cloth is the direction of the maximum strength of the material used for the preparation of the unidirectional cloth.
  • At least one through hole of the high-strength unit plate has a support portion therein.
  • the inner wall of the at least one through hole of the high-strength unit plate has a release layer or a separation layer.
  • At least one side of the high-strength unit plate is compounded with a high-mold material layer explosion-proof fence, and preferably the high-mold material layer includes a ceramic plate or a metal plate.
  • the high-strength unit panel is provided with a waterproof jacket or a flame-retardant jacket, or the surface of the high-strength unit panel is coated with a waterproof layer or a flame-retardant layer.
  • Embodiments of the present application also provide a multi-layer explosion-proof enclosure that is assembled from a plurality of the above-described explosion-proof enclosures.
  • the multi-layer explosion proof fence may be a double layer explosion proof fence comprising an inner fence and a perimeter fence, and the distance between the inner fence and the perimeter fence may be between 0.1 m and 2 m.
  • the inner fence and the outer fence may be set to be equal; or the outer fence may be set higher than the inner fence; or the height of the outer fence may be set lower than the inner fence and higher than the inner fence
  • the height of the peripheral fence is less than 50% of the height of the inner fence.
  • the preparation method of the high-strength unit board is simple and the integrity is good; the explosion-proof fence prepared based on the high-strength unit board can more fully utilize the fabric, the unidirectional cloth and/or the non-woven fabric itself. Ultra-high strength to resist the threat of explosion shock waves or bullets, bulletproof and explosion-proof performance is significantly improved.
  • 1a is a schematic structural view of an explosion-proof fence provided by an embodiment of the present application.
  • Figure 1b is a plan view of Figure 1a provided by an embodiment of the present application.
  • 3a is a structural example of a high-strength unit board (non-arc-shaped board) obtained by thermal consolidation in a winding manner according to an embodiment of the present application;
  • FIG. 3b is a structural example of a high-strength unit plate (arc-shaped plate) obtained by thermal consolidation in a winding manner according to an embodiment of the present application;
  • FIG. 4 is a flowchart of a method for manufacturing a high-strength cell board according to an embodiment of the present application
  • FIG. 5 is a structural example of a high-strength unit board having a uniformly distributed symmetric structure on both sides according to an embodiment of the present application;
  • FIG. 5b is a structural example of a high-strength cell board having a uniform symmetric distributed relief structure complementary to FIG. 5a according to an embodiment of the present application;
  • FIG. 5b is a structural example of a high-strength cell board having a uniform symmetric distributed relief structure complementary to FIG. 5a according to an embodiment of the present application;
  • 5c and 5d are respectively an example of the principle of continuous distribution of raw materials whose ends are not cut in Figs. 5a and 5b;
  • FIG. 6 is a structural example of a high-strength unit board having uneven distribution asymmetric structures on both sides according to an embodiment of the present application;
  • FIG. 7 is a structural example of a high-strength unit board having uneven distribution symmetric structures on both sides according to an embodiment of the present application;
  • FIG. 8 is a structural example of a high-strength unit board having uneven distribution asymmetric structures on both sides according to an embodiment of the present application;
  • FIG. 9 is a first example of a high-strength cell board connection with adjacent side concave-convex structures provided in an embodiment of the present invention, wherein the concave-convex structures on both sides of each high-strength unit plate are uniformly distributed symmetrically;
  • FIG. 10 is a second example of a high-strength cell board connection with complementary side-convex structures provided by an embodiment of the present invention, wherein the concave-convex structures on both sides of each high-strength unit plate are uniformly distributed asymmetrically;
  • FIG. 11 is a third embodiment of a high-strength cell board connection with adjacent side concave-convex structures provided in an embodiment of the present invention, wherein the uneven structures on both sides of each high-strength unit plate are unevenly distributed asymmetrically;
  • FIG. 12 is a high-strength single-order alignment of adjacent side concave-convex structures according to an embodiment of the present application. Meta board connection example;
  • FIG. 13 is a structural example of a metal hinge provided by an embodiment of the present application.
  • FIG. 14 is a schematic structural diagram of a high-strength unit board with metal hinges respectively connected on both sides according to an embodiment of the present application.
  • 15 is a structural example of two high-strength unit boards connected by a metal hinge and a plunger according to an embodiment of the present application;
  • 16a is a structural example of a double-layer explosion-proof fence provided by an embodiment of the present application.
  • Figure 16b is a plan view of Figure 16a provided by an embodiment of the present application.
  • 17a-17c are application examples of a high-strength cell board according to an embodiment of the present application.
  • 18a to 18b are structural examples of an explosion-proof enclosure provided by an embodiment of the present application.
  • 19a to 19c are examples of a material-type winding and winding solution of a raw material according to an embodiment of the present application.
  • 20a-20c are examples of a tubular winding and winding scheme of a raw material according to an embodiment of the present application.
  • 21 is an example of a crawler-type winding scheme of a raw material provided by an embodiment of the present application.
  • 22a is a structural example of a hot-pressed single-type mold according to an embodiment of the present application.
  • FIG. 22b is a structural example of a hot press double mold according to an embodiment of the present application.
  • 22c is a structural example of a hot-pressing double-type mold provided with a positioning device according to an embodiment of the present application;
  • FIG. 24 is a cutting example of a high-strength unit board according to an embodiment of the present application.
  • the invention provides an explosion-proof fence: as shown in Figures 1a-1b and 18a-18b, the explosion-proof fence is obtained by detachably connecting a plurality of high-strength unit boards 1 into a cylindrical shape.
  • dangerous goods or explosives can be placed in the explosion-proof enclosure (such as in the center of the explosion-proof fence), so that when dangerous goods or explosives explode, the explosion-proof fence can effectively resist the explosion shock wave, reduce or even avoid dangerous goods or explosions. Damage caused by an explosion of objects, facilities, personnel, etc. around the explosion site.
  • the explosion-proof fence provided by the embodiment of the present application has the advantages of simple operation, detachability, convenient transportation and assembly, good explosion-proof performance, and the like; in addition, since the explosion-proof range, the dangerous goods or the explosive size are different in different situations, the implementation of the present application is adopted. For example, choose a suitable number of high-strength unit boards to be flexibly assembled into an explosion-proof fence that meets the requirements of actual explosion-proof requirements under different circumstances. Even for dangerous goods or explosives that are not easy to move, multiple pieces of high-strength may be placed around the dangerous goods or explosives.
  • the unit plates are connected in a cylindrical shape to form an explosion-proof fence for safety protection, so as to meet diverse practical explosion-proof application requirements.
  • the present invention first provides a high performance, lightweight, modular anti-ballistic explosion-proof high-strength unit board.
  • This high-strength unit board can be assembled into different bulletproof and explosion-proof products according to the actual application scenarios, such as security and battlefield, to dispose of large TNT equivalent explosives.
  • This bulletproof and explosion-proof product has flexible structure, convenient use and artificial realization. Quick assembly and disassembly, and can meet the requirements of standard bullet protection.
  • the bulletproof explosion-proof high-strength unit plate is obtained by hollow winding and thermocompression bonding of a combination of one or more of a multi-layer fabric, a unidirectional cloth, and a non-woven fabric, such as a multilayer fabric, or A multi-layer unidirectional cloth, or a multi-layer non-woven fabric, or two or three of a woven fabric, a unidirectional cloth or a non-woven fabric are wound and heat-kneaded according to a certain proportion of the hybrid to obtain a high-strength unit plate.
  • the prepared high-strength unit board meets certain explosion-proof grades and has good explosion-proof performance.
  • multiple high-strength unit boards can be transported to the proposed explosion site, and multiple high-strength unit boards can be detachably connected to each shape in a field.
  • the shape may include, but is not limited to, closed Shape or non-closed shape with isolation.
  • Hybrid includes two layers of meaning: 1. At least two of the unidirectional cloth, the non-woven fabric and the fabric are hot pressed by forming a laminate according to the winding method; 2. The two fibers are made between two or more kinds of fibers. The above three forms of the product were mixed and then mixed to form a laminate for hot pressing.
  • At least one of the woven fabric, the unidirectional cloth, and the laid fabric is composed of at least one of the following materials (hereinafter may be referred to as "high performance fiber/tape" Manufactured: basalt fiber, glass fiber, aramid fiber, carbon fiber, ultra high molecular weight polyethylene fiber, ultra high molecular weight polyethylene tape; the ultra high molecular weight polyethylene tape may include but is not limited to ultra high molecular weight polyethylene Film or ultra high molecular weight polyethylene tape.
  • These materials are lightweight materials with excellent properties in terms of strength and modulus. High-strength unit plates made of one or more of these materials are used for high strength, improved explosion-proof performance, and light weight for easy transportation. And assembly.
  • the hybrid includes inter-layer mixing and intra-layer mixing; inter-layer mixing, for example, winding a fiber/strip first, and then winding one or more fibers/tapes, but the fiber/tape type between each layer is Single-layer; inter-layer hybrid, for example, woven with two or more fibers/tapes, such as a hybrid fiber non-woven fabric prepared by using ultra-high molecular weight polyethylene fibers and aramid fibers, and then A high-strength unit plate is prepared from a non-woven fabric of hybrid fibers; preferably an ultra-high molecular weight polyethylene fiber or an ultra-high molecular weight polyethylene tape (ultra-high molecular weight polyethylene film or strip) is used as an inner layer, and an aramid fiber is used as an outer layer.
  • inter-layer mixing for example, winding a fiber/strip first, and then winding one or more fibers/tapes, but the fiber/tape type between each layer is Single-layer
  • inter-layer hybrid for example,
  • the fabric may be woven from one or more of the above materials on a weaving machine or a warp knitting machine, and the woven fabric may be determined according to actual needs, for example, the structure of the fabric.
  • Forms may include, but are not limited to, woven fabrics, knitted fabrics, three-dimensional fabrics, or warp-knitted fabrics, thereby making full use of the characteristics of fabrics of different structural forms to produce high strength unit panels that meet different explosion protection requirements.
  • the unidirectional cloth comprises a unidirectional single layer cloth or a unidirectional multilayer cloth, such as the one-way
  • the cloth may be formed by one or more of the above-described high performance fibers/tapes by dipping or gluing.
  • the unidirectional cloth has a large strength, and its longitudinal direction is the direction of the maximum strength of the material used for the preparation of the unidirectional cloth.
  • the molecular chain of the high-performance fiber/tape is oriented in the direction in which the strength is the greatest. This direction can be used as the length direction of the unidirectional cloth, thereby ensuring that the unidirectional cloth has high strength.
  • the non-woven fabric is formed by laminating a plurality of the unidirectional cloths at an angle, wherein at least two adjacent unidirectional cloths intersect at an angle of 0-180°.
  • the unidirectional cloth comprises a unidirectional single layer cloth or a unidirectional multilayer cloth.
  • a two-, three-, four-, or multi-layer non-woven fabric having an angular change of 0°/90° may be formed in accordance with a cross process. Since there is no interlacing point between the layers of the weft-free fabric, the unidirectional arrangement can maximize the strength of the high-performance fiber/tape itself and rapidly spread the energy through the high-performance fiber/tape along its molecular chain. Therefore, it can better resist the threat of bullets, fragments, explosion shock waves and the like.
  • the high-mold material layer can also be composited on at least one side of the high-strength cell plate, thereby increasing the defense level of the plate.
  • a layer of high modulus material may be composited on one or both sides of a high strength cell plate, which may be an integral layer, or may be spliced into a layer of high modulus material by a plurality of small layers.
  • Materials used for the high modulus material layer may include, but are not limited to, high strength ceramic sheets and/or metal sheets and/or other high hardness materials.
  • Composite means may include, but are not limited to, gluing.
  • the high-mole material layer of at least one side of the high-strength unit plate compounded with the high-mold material layer may be in the direction of a bullet, a fragment, an explosion shock wave, or the like.
  • the scheme improves the bulletproof level of the high-strength unit board: on the one hand, it can make full use of the high-model property of the high-mold material layer, and touch the energy of the high-mold material layer (such as the high-speed impulse of the bullet).
  • the hardness of the high-mold material layer can even deform or passivate or bend the bullet to weaken the energy entering the high-strength cell plate; on the other hand, the high-strength cell plate material can be fully utilized.
  • the performance (such as high fracture performance) fully absorbs the energy entering the high-strength cell board, thereby achieving an effective defense against attack.
  • the strong unit board includes a high-strength unit board body 11 which is hollow-wound and heat-pressed by a multi-layer fabric, a unidirectional cloth, a non-woven fabric or a combination thereof, wherein both sides of the high-strength unit board body 11 are respectively provided with A through hole 12 integrally formed by the high strength unit plate body.
  • a method for preparing a bulletproof explosion-proof high-strength unit board includes:
  • S101 Hollow winding a fabric, a unidirectional cloth, a laid fabric, or a combination thereof to form a laminate.
  • One or at least two of the woven fabric, the unidirectional cloth and the non-woven fabric may be wound on a tooling into a cylindrical structure in the form of a cross-section like a racetrack, that is, a laminate is formed, or may be on a tooling.
  • An annular shape that is wound into a ring shape and removed from the tooling is a cylindrical structure having a cross-sectional shape like a racetrack, and the like.
  • the number of windings can be determined according to the explosion-proof grade or use of the high-strength unit board. After the winding is completed, the laminate may be removed from the tooling, or the subsequent process may be carried out without taking it off, and the embodiment of the present application is not limited thereto.
  • FIG. 2 is a structural example of a high-strength cell plate obtained by thermal consolidation in a stacked manner in the prior art.
  • the temperature of the hot pressing may range from 60 to 200 ° C
  • the pressure of the hot pressing may range from 1 to 40 MPa, because the temperature and/or pressure range is used for hot pressing and consolidation, and the performance loss of the material is small.
  • the obtained high-strength unit board has good performance.
  • a support portion is respectively disposed on the inner sides of both ends of the wound laminate (the support portion may include but not limited to a steel pipe), and the support portion provides support to at least partially intermediate portions of the laminate.
  • the bits are hot pressed together to form a laminate having a dumbbell-like structure.
  • the intermediate parallel portions of the cross-section-like racetrack-like laminate may be hot pressed together under certain conditions of temperature and pressure. During the hot pressing, the ends of the laminate are tightened due to the support provided by the support portion. A hard through hole is formed under the action of the force, and the hot pressed laminate has a dumbbell structure.
  • a mold similar to a dumbbell structure (both ends are raised relative to the intermediate portion) may be used, and the laminate has a dumbbell structure after hot pressing, that is, the middle portion of the laminate after hot pressing is dense. And through holes are formed at both ends.
  • the laminate and the support portion may be separated (eg, the steel pipe is separated from the through hole of the laminate, etc.), so that the middle portion is flat and compact.
  • the two ends are respectively formed with a whole structure of through holes (ie, having a dumbbell-like structure).
  • the laminate and the support portion may not be separated, that is, the support portion is left at both ends of the laminate, which is equivalent to a dumbbell-like laminate.
  • a support portion is reserved in each of the through holes of the two ends of the object.
  • the function of the supporting portion is to assist in forming the through holes at both ends in the preparation process of the high-strength unit board, and on the other hand, the support portion is reserved in the through holes at both ends of the prepared high-strength unit board, so as to be followed by a plurality of high-strength units.
  • the detachable assembly between the unit plates provides great convenience, reducing the friction between the connectors (such as high-strength rods) and the material in the through-holes of the high-strength unit boards, making assembly easier and faster.
  • the support portion may be pre-formed with a release layer or a release layer, and the release layer or the isolation layer may include, but is not limited to, a carbon tube, a steel tube, or other material tube.
  • the heat-pressed laminate may be separated from the support portion, and the release layer or the separation layer may be separated from the support portion together with the laminate, that is, a pre-formed release layer on the support portion after separation or The separation layer remains in both ends of the laminate, which is equivalent to a release layer or a separation layer in the through holes at both ends of the dumbbell-like laminate.
  • the function of the release layer or the separation layer is to prevent the material from sticking to the support portion during the preparation process of the high-strength unit plate, thereby realizing the rapid separation of the laminate and the support portion after the hot pressing, and on the other hand, by preparing Finished high strength unit board ends
  • the release layer or the isolation layer is reserved in the through hole, which provides great convenience for the detachable assembly between the plurality of high-strength unit boards, and reduces the connection between the connecting member (such as high-strength rod) and the high-strength unit board. The friction of the material in the hole makes assembly easier and faster.
  • the high-strength unit plate prepared by the above scheme is formed by hollow winding hot pressing of the material, so the integrity is good, and the performance of the material can be fully utilized, for example, the fabric, the unidirectional cloth and/or the non-woven fabric itself can be more fully utilized. Ultra-high strength to resist the threat of explosion shock waves, the explosion-proof performance is significantly improved.
  • the through holes are formed at both ends of the high-strength unit board, after the portions of the through holes are appropriately cut, the connectors are inserted into the through holes of the two high-strength unit boards to complete the assembly.
  • the high-strength unit board prepared by the scheme is very convenient to assemble, and the high-strength unit board can be flexibly assembled into different bulletproof and explosion-proof protection products according to the battlefield situation.
  • These protective products are flexible in structure, convenient to use, and can be manually and quickly loaded. Demolition, and can meet the requirements of standard bullet protection.
  • the metal connectors such as hinges used for connecting different parts are required to have very high strength, so it is often necessary to use a hinge having a very large weight.
  • the high-strength unit board prepared by the solution of the present invention can be easily and flexibly assembled due to proper cutting of the through-hole portions at both ends, and it is not necessary to add metal connectors such as hinges between the two high-strength unit boards, which can not only reduce
  • the weight more importantly, is due to the fact that the joint between the high-strength unit plates and the high-strength unit plate body is at least partially not cut, thereby retaining the material properties of the high-strength unit plate body, thereby making full use of the material properties (such as high shear) Cutting strength, etc.) Improve the protection level of the protective products, especially the joints of the two high-strength unit boards in the protective product.
  • the high-strength unit board of the present invention ensures the integrity of the unit board on the one hand by hollow winding of the material, and on the other hand, the through hole is formed at both ends, which not only makes the unit board easy to use, but also makes the unit board bulletproof and explosion-proof. The role is maximized.
  • the embodiment of the present application is very flexible in winding a raw material such as a woven fabric, a unidirectional cloth, and/or a weft-free cloth in the process of preparing a high-strength unit board.
  • a sheet winding method may be used to fold and wind a raw material such as a woven fabric, a unidirectional cloth, and/or a laid fabric.
  • the winding device comprises: a unwinding unit 1, a guide roller 2, a correction support 3, a correction sensor 4, a metering device 5, a plate winding unit 6 and a raw material 7, wherein the plate winding unit 6 includes an auxiliary fixture 60
  • the auxiliary jig 60 includes side baffles 61, a drive shaft 62, side support bars 63, a sleeve 64 and a fixing nut 65 as shown in Fig. 19b.
  • the raw material is first passed through the unwinding unit 1 and is fixed to the sleeve 64 on the side of the auxiliary fixture 60 of the plate winding unit 6 via the guide roller 2 and the correction sensor 4; during the winding process, the unwinding unit 1
  • the constant tension brake will be maintained, and the winding torque of the plate type winding unit 6 can be adjusted, and the number of layers is accumulated by the metering device 5, and the raw material edge swing is detected by the correcting sensor 4 during the winding process, and the correcting support is controlled.
  • 3 is adjusted to the left and right, so that the edge-wrapped plate-type winding package is obtained.
  • the winding unit 6 stops working, the auxiliary fixture 60 is removed, and the baffle 61 on both sides of the fixing nut 65 is removed.
  • the drive shaft 62 and the support rod 63 are withdrawn, and the sleeve 64 (i.e., the support portion remaining in both ends of the high-strength unit plate) is retained in both ends of the plate package as shown in Fig. 19c.
  • the plate folding and winding winding method is easy to operate and has high work efficiency.
  • a raw material such as a woven fabric, a unidirectional cloth, and/or a laid fabric can be wound and wound by a drum winding method, and a tubular package having a uniform tension can be obtained.
  • the device is different from the plate winding device in that the device comprises a drum winding unit 8, which is based on the winding of the raw material by the drum winding unit 8. Winding, auxiliary winding device 80 of the drum winding unit 8, as shown in Fig.
  • the auxiliary winding device 80 includes an auxiliary jig 60, an upper curved plate 81, a lower curved plate 82 and a connecting block 83, in the auxiliary
  • the clamp 60 is in a state in which it is integrally connected with the upper curved plate 81, the lower curved plate 82 and the connecting block 83, and the outer point of the outer circumference of the sleeve 64 in the auxiliary jig 60 and the curved plate form the outer circumference of the cylindrical cylinder.
  • the film will adhere to the sleeve 64 during winding, as shown in Figure 20c.
  • the barrel winding work process is similar to the plate winding, except that the drum winding device includes the metering device 9, and when the set number of meters is accumulated, the drum winding unit 8 stops working, and the auxiliary winding device is disassembled.
  • the connecting block 83 of 80 removes the upper curved plate 81 and the lower curved plate 82 and the attachments of the auxiliary jig 60 to obtain a tubular film sheet as shown in Fig. 20c. Further, the sleeve 64 remaining in the tubular film sheet can be left Right shifting, the film is loosened as much as possible during the process, thereby obtaining a cartridge package having a plate-like package like a dumbbell-like structure as shown in Fig. 19c.
  • the barrel winding unit can control the winding tension stably and obtain a good package because of the center winding type winding method.
  • a crawler-type winding method can be used to wind and wind a raw material such as a woven fabric, a unidirectional cloth, and/or a non-woven fabric, and the reel can be wound by using a crawler winding winding device as shown in FIG.
  • the difference from the plate type or the barrel winding device is that the crawler type winding method removes the air between the raw materials of the different layers wound by the pressure roller 11, and the roller can be used but not limited to the heat roller for obtaining a better molding effect. form.
  • the crawler-type winding can provide a certain pressure at the position where the pressure roller is fixed, and the winding form of the package is shaped. As shown in the figure, by adjusting the gap between the two pairs of pressure rollers, the dumbbell-like raw material package can be directly obtained. The form, for the subsequent operation, better retains the internal winding tension of the raw material, which is favorable for hot press forming.
  • the hot pressing has a temperature in the range of 60 to 200 ° C, and the hot pressing has a pressure in the range of 1 to 40 MPa.
  • the hot pressing process can be determined according to actual needs, and the embodiment of the present application is not limited thereto.
  • An alternative implementation, for example, is to place a dumbbell-like package (as shown in Figure 19c) into a mold and press-form it in stages. Preheating pre-pressing stage: heating to 60-120 ° C, giving 1-10MPa pressure, pre-heating the laminate in the mold, the time can be freely selected between 1-20min.
  • the mold moves up and down, exhausting 1-10 times, the purpose is to discharge the gas in the laminate, so that the laminate is more compact; hot pressing stage: when the temperature is raised to 120-160 ° C, the pressure rises to 10- 40MPa pressure, and maintain constant temperature and constant pressure for 20-60min; cooling stage: keep the pressure in the hot pressing stage unchanged, quickly cool the mold, and then remove the temperature when the temperature drops below 40 °C.
  • the preparation process has high production efficiency, and the obtained unit plate has the advantages of light weight, high strength, good compactness, excellent anti-ballistic and explosion-proof effect, and can meet various anti-ballistic and explosion-proof requirements of the military and service personnel.
  • a dumbbell-like mold can be used for hot pressing.
  • the mold may adopt a single-type mold structure, and a cavity cross-sectional structure formed by upper and lower two-layer molds a1 and b1 And the high strength unit plate which is formed by hot pressing is as shown in Fig. 22a.
  • the production efficiency can be improved by making a double or multi-type mold.
  • An example of the structure of the optional double mold is shown in Fig. 22b, and two cavities are respectively formed by the three-layer molds a2, b2 and c2, based on the double
  • the hot pressing of the mold can complete the hot pressing of two packages at one time, which improves the production efficiency.
  • the sleeve 64 reserved in the two ends of the package as shown in Fig. 19c may be made of a material that is light, thin, high-strength and temperature-resistant to ensure the hot pressing of the package. The formation of the two ends in the process.
  • a positioning device can be provided in the double mold, and a sectional view and a perspective view of the double mold provided with the positioning device are as shown in Fig. 22c, since the upper and lower plates are respectively fixed. In the frame and the base, it can be used as the positioning reference of the middle plate.
  • the specific method is to process the positioning boss (also called the positioning block) of a certain height on the opposite sides of the upper and lower plates corresponding to the forming surface of the middle plate, and at both sides of the middle plate.
  • the high-strength unit board may be a non-arc type board, an optional example is shown in FIG. 3a, the high-strength unit board is a rectangular or rectangular-like board, etc.; or, the high-strength unit board is a
  • the curved plate an optional example is shown in Figure 3b, the arc of the curved plate can be determined according to actual needs.
  • At least two adjacent high-strength unit boards of the plurality of high-strength unit boards adopt the following strengths to satisfy a predetermined schedule.
  • the required connectors such as hinges, profiles and/or plunger connections, are preferably detachably connected. That is to say, in practical applications, the matching connecting members can be selected according to the characteristics of the parts for connecting on both sides of the high-strength unit board, and the plurality of high-strength unit boards are connected as an explosion-proof fence to improve the explosion-proof performance of the explosion-proof fence.
  • the strength of the connecting member can be determined according to actual needs.
  • a high-strength connecting piece such as a high-strength hinge, a high-strength shaped piece or a high-strength can be selected.
  • the plunger is matched with the joints on both sides of the high-strength unit board for connection.
  • the parts of the high-strength unit board for connecting the two sides of the high-strength unit board may be determined according to the actual needs.
  • the structures of the parts for connecting the two sides of the high-strength unit board may be the same or different, and the embodiments of the present application are not limited thereto.
  • the two sides of the high-strength unit board for connecting may be a concave-convex structure, that is, the through-hole sections on both sides of the high-strength unit board of the plurality of high-strength unit boards Concave and convex structures are formed separately.
  • the two sides of the high-strength unit plate may be formed into a concave-convex structure by cutting or the like, and the cutting manner may include, but is not limited to, a uniform symmetric cutting, an equalizing asymmetric cutting, a non-uniform symmetric cutting, and a non-uniform asymmetric Cutting, so that the concave-convex structures respectively formed on the through-hole sections on both sides of the high-strength unit plate are uniformly distributed symmetrically, equally distributed asymmetrically, unevenly distributed symmetrically or unevenly distributed asymmetrically;
  • the two sides of the high-strength unit plate are cut by a uniform symmetrical cutting method, so that both sides of the high-strength unit plate form a uniformly distributed uneven structure, and the high-strength unit plate having the structure is subjected to an explosion shock wave.
  • the force of outward expansion and expansion is basically the same, so it has better explosion-proof performance.
  • the through-hole sections on each side of the high-strength unit board are respectively cut into a concave-convex structure by using different cutting methods, so that the respective concave-convex structures on both sides of the high-strength unit board are The average symmetric distribution, the evenly distributed asymmetric distribution, the unevenly distributed symmetric distribution or the unevenly distributed asymmetric distribution.
  • a portion of the high-strength unit plate on which at least the through hole is formed may be equally divided. Rectangle cutting, such that the through holes on both sides of the high-strength unit board are respectively cut into a plurality of through-holes, such as the three-section through-hole shown in FIG. 5a or the two-stage through-hole as shown in FIG. 5b, the length of each through-hole and The lengths of the cut through holes are the same (that is, the length of the convex portion is the same as the length of the concave portion), and the plurality of through holes formed by cutting on both sides of each high strength unit plate are symmetrically distributed.
  • the explosion-proof fence assembled by the high-strength unit plate based on the unevenly distributed uneven structure has more Good explosion-proof performance.
  • a portion of the high-strength unit board having at least a through-hole formed thereon may be equally asymmetrically cut, such that the through-holes on both sides of the high-strength unit board are respectively cut into a plurality of through-holes, as shown in FIG. Two-section through-hole, the length of each section of the through-hole and the length of the cut-out through-hole are not the same (for example, the length of each convex part is the same, but the length of the convex part is different from the length of the concave part), and each high-strength unit board
  • the plurality of through holes formed by cutting on both sides are asymmetrically distributed.
  • the portion of the high-strength unit board on which the through holes are formed may be unevenly symmetrically cut, so that the through holes on both sides of the high-strength unit board are respectively cut into a plurality of through holes, as shown in FIG. 7 .
  • Three-section through-hole, the length of each section of the through-hole and the length of the cut-out through-hole are not the same (for example, the length of each convex part is the same, but the length of the convex part is different from the length of the concave part), and each high-strength unit board
  • the plurality of through holes formed by cutting on both sides are symmetrically distributed.
  • a non-uniform asymmetric cutting can be performed on at least a portion of the high-strength unit plate on which the through holes are formed, so that the through holes on both sides of the high-strength unit plate are respectively cut into a plurality of through holes, as shown in FIG.
  • the plurality of through holes, the length of each of the through holes and the length of the cut through holes are different (for example, the lengths of the convex portions or the concave portions are not completely the same, and the length of the convex portion and the length of the concave portion are not completely The same), and the plurality of through holes formed by cutting on both sides of each high-strength unit plate are asymmetrically distributed.
  • the high-strength unit board provided by the embodiment of the present application is an integral part of the raw material integrally formed, and the cutting manner shown in FIG. 5a, FIG. 5b and FIG. 7 can be used at both ends of the high-strength unit board.
  • the breaking strength of the high-strength unit board raw material is retained as much as possible, that is, at least a part of the raw materials of both ends of the high-strength unit board are not cut, and the principle of continuous distribution of the uncut raw materials can be seen in FIGS. 5c and 5d.
  • the uncut portion of the end portion and the raw material of the intermediate portion of the high-strength unit plate and the corresponding intermediate portion have a large breaking strength, and the material properties can be fully utilized to improve the explosion-proof rating.
  • the two high-strength unit boards are detachably assembled into protective products.
  • the ends are the joints of different high-strength unit boards, and it is also the easiest part to explode or damage in explosion-proof applications, and the high strength after cutting with this scheme
  • the breaking strength of the uncut raw materials can be fully utilized between different high-strength unit boards, thereby effectively improving the explosion-proof grade.
  • At least two adjacent high-strength unit boards of the plurality of high-strength unit boards may be detachably connected by using a high-strength metal plug, specifically, at least two of the plurality of high-strength unit boards.
  • the concave and convex structures formed by the adjacent sides of the adjacent high-strength cell plates are complementary, and the concave-convex structure is located in the through-hole section of the high-strength cell board, and the adjacent sides of the two adjacent high-strength cell boards are sequentially inserted through the plug Complementary through holes to detachably connect two adjacent high strength unit plates.
  • a plurality of protruding through holes may be formed on both sides of the high-strength unit board by using any cutting manner as shown in FIG. 5a to FIG. 8, and the concave-convex structures on the adjacent sides of the two high-strength unit boards are complementarily aligned (a high-strength unit).
  • the convex portion of the plate corresponds to the concave portion of the other high-strength unit plate), so that the concave-convex structures on the adjacent sides of the two high-strength unit plates are complementarily formed to form a whole, as shown in FIG. 9-11, the high-strength metal plunger 21 is sequentially used.
  • the through holes 12 of the adjacent sides of the two high-strength unit boards are passed through to detachably connect the two high-strength unit boards into one body; after the insertion of the rods 21, the rods can be fixed by screws and the like.
  • the explosion-proof fence formed by the scheme has good integrity, and the adjacent high-strength unit board joints can fully utilize the strength of materials (such as fabric, unidirectional cloth and/or non-woven fabric), reduce the use of connecting parts, and resist explosion shock waves. The effect is remarkable, easy to disassemble and transport, plug and play.
  • At least two adjacent high-strength unit boards of the plurality of high-strength unit boards may be detachably connected by using a high-strength metal rod and a special-shaped piece, in particular, the plurality of high-strength unit boards
  • the concave-convex structures formed by the adjacent sides of at least two adjacent high-strength cell plates are aligned, the concave-convex structures are located in the through-hole sections of the high-strength cell plates, and the adjacent sides of the two high-strength cell plates are respectively
  • the connecting member sequentially passes through the through holes on the side, and connects the plungers on both sides via the profiled member.
  • a plurality of protruding through holes may be formed on both sides of the high-strength unit board by using any cutting manner as shown in FIG. 5a to FIG. 8 to align the concave and convex structures on the adjacent sides of the two high-strength unit boards (a high-strength unit board)
  • the convex portion corresponds to the convex portion of the other high-strength unit board
  • the concave portion of one high-strength unit board corresponds to the concave portion of the other high-strength unit board
  • the adjacent side of the two high-strength unit boards respectively passes through the high-strength metal rod 21
  • Each of the through holes 12 on the side is sequentially passed through, and then the plungers on both sides are connected via the profiled member 22, as shown in FIG.
  • the explosion-proof fence formed by the scheme has good integrity, and the cutting process requirement for each high-strength unit board is low, and the effect of resisting the explosion shock wave is
  • the high-strength unit plate includes a curved portion at both ends and a laminate of the intermediate dense portion (i.e., where a circular arc transition exists), and the plate having such a structure is cut if conventional Cutting by the pitch cutting method causes the fibers in the laminate to tear, and the ribbon formed by the tearing of the fibers wraps around the cutter, affecting the processing efficiency and even damaging the cutter.
  • the cutting process can be improved, for example, the cutting process of the plate is divided into two steps: (1) positioning the center of the circle at the arc transition position, and then performing the punching process, as shown in the alternative example shown in Fig.
  • the connecting portion of the high-strength unit board may be a mounting hole, that is, at least one of the plurality of high-strength unit boards is formed on both sides of the high-strength unit board There are at least one set of mounting holes.
  • Each set of mounting holes includes at least one mounting hole, the spacing between the different sets of mounting holes, and the spacing between different mounting holes in the same group, etc., which can be matched according to the selection of the metal hinge, and the implementation manner is very flexible.
  • At least two adjacent high-strength unit boards of the plurality of high-strength unit boards are detachably connected by a high-strength metal hinge and a plunger, and specifically, the two sides of the high-strength unit board are respectively
  • the formed sets of mounting holes are staggered, as shown in FIGS.
  • each of the metal hinges 23 includes a a metal through hole 231 and a pair of parallel butterfly portions 232 connected to one side of the metal through hole 231, the pair of parallel butterfly portions 232 sandwiching one side of the high strength unit board 1 and the butterfly portion
  • the opening 233 of the 232 is aligned with the mounting hole 13 of the high-strength unit board and is bolted; the rod 21 sequentially passes through the metal hinges 23 respectively connected to adjacent sides of two adjacent high-strength unit boards.
  • connection manner of the above high-strength unit board is only an optional implementation manner, and those skilled in the art can also select other connection manners based on the basis, for example, a high-strength unit.
  • Each set of mounting holes respectively formed on two sides of the plate is symmetrically distributed, and the metal hinge is a double butterfly metal hinge with a via formed in the middle, and each butterfly of the double butterfly metal hinge has two One side of the adjacent high-strength unit board is connected, and the rod passes through the through-holes of the double butterfly-shaped metal hinges respectively connected to adjacent sides of two adjacent high-strength unit boards, and the solution can also be adopted.
  • At least one of the plurality of high-strength unit boards has a jacket
  • the jacket may include but is not limited to a waterproof jacket or a flame-retardant jacket, thereby avoiding the high-strength unit board Damage, pollution, etc. during transportation, handling, etc., to ensure the explosion-proof performance of high-strength unit boards.
  • a surface of at least one of the plurality of high-strength unit boards may be coated with a specific material layer, for example, the surface of the high-strength unit board may be coated with, but not limited to, a waterproof layer or a flame-retardant layer, etc.
  • the coating can also have a absorbing effect, such as using a thermoplastic elastomer material such as polyurethane or polyurea. In addition to being waterproof or flame retardant, it also increases the ballistic rating of the board.
  • At least one of the upper and lower ends of the high-strength unit board is provided with a venting opening. Setting a vent on the high-strength unit increases the bullet-proof rating and reduces weight. If the unexploded or explosive TNT equivalent is less than 1000g, the high-strength plate unit may not have a venting opening. When assembling a protective product such as an explosion-proof fence, the high-strength unit plate can even be used in reverse, that is, the venting port is used upwards, which can be the largest. Limit the splash of debris.
  • the explosion may be opened, and according to the size calculation of the explosive shock wave and the protective product (such as a fence), the bottom of the high-strength unit board is opened. It is more suitable to 1/5, that is, a venting opening is provided at the bottom end of the high-strength unit board at 0-1/2; an explosion-proof fence assembled by a high-strength unit board with a venting opening of 0-1/2 at the bottom end, It can effectively prevent the spatter from splashing and effectively prevent the reflection of the explosion shock wave inside the explosion-proof fence, thereby improving the explosion-proof grade.
  • Explosion-proof fences can be divided into police and civilian.
  • the police environment is generally located in airports, stations, terminals, shopping malls, hospitals, playgrounds and other places where personnel are densely populated. It must be ensured that no explosions or explosives will not hurt when they explode. And the level of unexploded or explosives facing the police is generally low, basically ranging from tens of grams to several hundred grams of TNT equivalent.
  • the unexploded ordnance must be isolated or detonated.
  • the level of unexploded ordnance facing a military airport is generally high, and the maximum can be a few kilograms of TNT equivalent.
  • the personnel can evacuate to a safe distance for remote detonation.
  • a high-strength unit with a venting opening can be used.
  • the venting port is assembled downwards into an explosion-proof fence to avoid explosion-proof fences and improve explosion-proof grade.
  • the venting port can eliminate the resonance generated by the shock wave inside the fence during detonation, thereby improving the anti-explosion level of the protective fence, otherwise the shock wave superposition will break the fence.
  • At least one of the high-strength unit boards is provided with a venting opening 14 below, and an example of a structure of the high-strength unit board having the venting opening 14 below is shown in FIG. 5a.
  • FIG. 5a an example of a structure of the high-strength unit board having the venting opening 14 below is shown in FIG. 5a.
  • FIG. 12 an example of an explosion-proof fence assembled based on the high-strength unit plate of the lower vent 14 is shown in Figs. 1a and 13a, wherein the high-strength unit plate in Fig. 1a is a curved high-strength unit plate, and the high-strength unit in Fig. 13a
  • the unit board is a non-arc high strength unit board.
  • dangerous goods and explosives are located in the explosion-proof enclosure (such as in the center of the explosion-proof fence).
  • the shock wave formed by the explosion of dangerous goods and explosives is partially released upward, and the other part reciprocates in the explosion-proof enclosure.
  • the explosion-proof fence may be blown up, thereby threatening the safety of life and property; and the explosion-proof fence assembled by using at least one high-strength unit board with a venting opening below is not up.
  • At least part of the shock wave released can be discharged in time through the venting port below, to some extent alleviate the force of the shock wave on the explosion-proof fence, reduce the probability of the explosion-proof fence being blown off, and improve the explosion-proof level and safety.
  • a plurality of high-strength unit plates each having a venting opening may be connected to form an explosion-proof fence of a tubular structure, so as to facilitate timely discharge of part of the shock wave through the venting ports, so as to improve the overall explosion-proof of the explosion-proof fence. Level and security.
  • the vent The area of the explosion may be determined according to the requirements of the explosion, for example, the area of the vent is less than 30% of the area of the high-strength unit plate where the vent is located, and the scheme is performed in the vent area and the explosion-proof area of the high-strength unit board. Optimized trade-offs maximize the overall explosion-proof performance of the explosion-proof enclosure.
  • the shape of the venting opening can also be determined according to actual needs.
  • the shape of the venting opening can include, but is not limited to, a semicircular shape, an arch shape, a rectangular shape, a square shape, or a trapezoidal shape, and the implementation is very flexible.
  • the shape of the explosion-proof fence provided by the embodiment of the present application can be determined according to actual needs, such as a triangle (FIG. 17a), a quadrangle (FIG. 17b), a polygon (FIG. 17c), and the like.
  • the explosion-proof fence provided by the embodiment of the present application may be a single-layer fence or a multi-layer fence, and the vents may or may not be opened under the various fences according to actual needs.
  • the explosion-proof fence provided by the embodiment of the present application may be a single-layer explosion-proof fence.
  • the high-strength unit board assembled with the explosion-proof fence is made of a certain raw material, and the through holes on both sides of the high-strength unit board are cut according to the uniform asymmetric mode (other ways), and the high-strength unit boards are connected by pin shafts and nuts are fixed ( The nut is not necessary, the nut is added to fix the shape of the explosion-proof fence, and it is convenient to move at random, without falling apart.
  • the fence product assembly is flexible, reliable and convenient, high in efficiency, light in weight, low in cost, and high in structural strength between the boards, and has the function of preventing detonation waves and debris generated after the detonation of a large TNT equivalent explosive.
  • the disassembled unit board provides individual protection and effectively protects against the threat of SS109 and M193 bombs at a distance of 10m.
  • the explosion-proof enclosure of the embodiment of the present application may also be a double-layer explosion-proof enclosure.
  • the double-layer explosion-proof fence includes two explosion-proof fences arranged inside and outside, and the two explosion-proof enclosures are provided with at least one venting opening 14 below the inner fence 3.
  • the height of the peripheral bar 4 is higher than the venting opening 14.
  • the double-layer explosion-proof fence provided by the embodiment of the present application
  • dangerous goods and explosives are located in the inner fence (such as in the center of the inner fence), and when the dangerous goods or explosives explode, part of the shock wave generated by the explosion is released upward.
  • At least part of the shock wave oscillating and oscillating in the inner fence can be discharged in time through the venting opening provided under the inner fence to reduce the force on the inner fence and prevent the inner fence from being blown up; in addition, the height of the outer fence Above the height of the venting port, the shock wave energy discharged through the venting opening below the inner fence can be intercepted again through the outer fence to avoid damage to the surrounding life and property caused by the shock wave. It can be seen that the double-layer explosion-proof fence provided by the embodiment of the present application has higher explosion-proof performance and safety.
  • the heights of the inner fence and the outer fence can be determined according to the needs of practical applications to meet diverse practical application requirements.
  • the inner fence and the outer fence may be set to be equal; or the outer fence may be set higher than the inner fence to perform secondary explosion-proof and upgrade the explosion-proof level;
  • the height of the peripheral fence is set lower than the inner fence and higher than the venting opening.
  • the height of the outer fence is lower than 50% of the height of the inner fence, and the double-layer explosion-proof adopting the scheme
  • the inner fence plays a major role in the explosion-proof
  • the outer fence plays an auxiliary and strengthening role, and the two cooperate to achieve higher explosion-proof performance and safety.
  • the distance between the inner fence and the outer fence may be determined according to the needs of the actual application.
  • the distance between the inner fence and the outer fence is 0.1 m-2 m, and the range is adopted.
  • the spacing is set within the inner fence and the outer fence. The shock wave energy discharged from the inner fence through the venting opening can be effectively intercepted by the peripheral column, and the two cooperate to achieve higher explosion-proof performance and safety.
  • the structures of the inner fence and other parts of the outer fence may be identical or different, and the present application is implemented.
  • the program does not limit this.
  • At least one of the two explosion-proof enclosures is composed of a plurality of high-strength units
  • the two-two-piece connection is a cylindrical shape, wherein the high-strength unit board can adopt any high-strength unit board provided by the embodiment of the present application.
  • the high-strength unit boards used in each explosion-proof enclosure may be identical or different.
  • the connection between any two adjacent high-strength unit boards may be the same or different, and may be fixed or detachable. Connections, the embodiments of the present application are not limited to this, and the implementation is very flexible.
  • At least two adjacent high-strength unit boards of the plurality of high-strength unit boards are detachably connected, and any one of the two adjacent high-strength unit boards may be detachable according to the embodiment of the present application.
  • the optional structure of the high-strength unit board, and the detachable connection method refer to the descriptions of other parts of the embodiment of the present application, and details are not described herein again.
  • the explosion-proof fence obtained by the solution has the advantages of simple operation, detachability, convenient transportation and assembly, good explosion-proof performance, and the like; in addition, the explosion-proof range, the dangerous goods or the explosive size are different in different situations, and the embodiment of the present application is adopted.
  • High-strength unit sheet size 720mm high, 716mm wide, 22-24mm thick, and the inner diameter of the through hole is ⁇ 24mm.
  • the 10 high-strength unit boards are detachably assembled into a regular decagon-shaped explosion-proof fence, and the bomb is located at the center of the decagon.
  • the shock wave energy of the equivalent explosive simulation bomb, the explosion-proof fence does not disintegrate and obvious deformation is qualified; M109 gun fired SS109 steel core projectile, 10 m range, bullet speed 920 ⁇ 20 m / s, the average distribution test of each sample 11 All do not penetrate is qualified.
  • the combination of the two tests can not only test the ability of the explosion-proof fence to resist detonation, but also test the ability of the explosion-proof fence to resist bomb fragments.
  • the non-woven fabric used is a multi-layer fabric in which a plurality of unidirectional woven fabrics are formed in a cross shape with an angular change of 0°/90°.
  • a high-strength ultra-high molecular weight polyethylene strip was used as a raw material to prepare a weft-free cloth with a weight of 100 g/m 2 , and 220 layers of a non-woven fabric were used, and a plate-type winding hot-pressing method was adopted (the hot pressing condition was: temperature 125 ° C, A high-strength cell plate is obtained at a pressure of 22 MPa, and the structure is as shown in Fig. 3a.
  • the through-hole portions formed on both sides of the high-strength unit plate are subjected to uniform symmetrical cutting to obtain the plates as shown in Fig.
  • the explosion-proof fence can withstand the multiple impact of the SS109 bomb and the threat of at least 2Kg TNT equivalent explosive without disintegration and significant deformation.
  • the high-strength ultra-high molecular weight polyethylene strip was used as raw material to prepare a non-woven fabric with a weight of 90g/m 2 , and 240 layers of non-woven fabric were taken, and the tubular winding hot-pressing consolidation method was adopted (the hot pressing condition was: temperature 125 ° C)
  • the pressure is 22 MPa) to obtain a high-strength unit plate, and the structure is as shown in Fig. 3a.
  • the through-hole portions formed on both sides of the high-strength unit board are subjected to a uniform asymmetric cutting method to obtain the sheet material as shown in Fig. 6.
  • the connection between the sheets is connected by a high-strength metal plunger, as shown in Fig. 10, the bottom of the rod is bolted. Fixed. Multiple high-strength unit boards are connected in such a way that an explosion-proof fence can be obtained.
  • the explosion-proof fence can withstand the multiple impact of the SS109 bomb and the threat of at least 1.9Kg TNT equivalent explosive without disintegration and significant deformation.
  • the high-strength ultra-high molecular weight polyethylene strip is used as raw material to prepare a weft-free cloth with a weight of 90g/m 2 , and 240 layers of non-woven fabric are taken, and the crawler-type winding winding is used for hot-pressing and consolidation (the hot pressing condition is: temperature) 130 ° C, pressure 22 MPa), to obtain a high-strength unit plate, the structure shown in Figure 3a.
  • the through-hole portions formed on both sides of the high-strength unit board are obtained by the uneven symmetrical cutting method to obtain the sheet material as shown in Fig. 7.
  • the connection between the sheets is made of high-strength metal shaped parts and inserts, as shown in Fig. 12, and the shaped parts are selected.
  • the ⁇ type, the bottom of the plunger is fixed with bolts. Multiple high-strength unit boards are connected in such a way that an explosion-proof fence can be obtained.
  • the explosion-proof fence can withstand the multiple impact of the SS109 bomb and the threat of at least 1.8Kg TNT equivalent explosive without disintegration and significant deformation.
  • the high-strength ultra-high molecular weight polyethylene fiber was used as raw material to prepare a weft-free cloth with a weight of 120g/m 2 , and 180 layers of non-woven fabric were taken, and the plate-type winding hot-pressing method was adopted (the hot pressing condition was: temperature 128 ° C, pressure) 21MPa) to obtain a high-strength unit board, the structure is shown in Figure 3a.
  • the through-hole portions formed on both sides of the high-strength unit board are obtained by the uneven-sharing asymmetric cutting method to obtain the sheet material as shown in Fig. 8.
  • the connection between the sheets is made of high-strength metal rods, as shown in Fig. 11, the bottom of the rod is bolted. Fixed. Multiple high-strength unit boards are connected in such a way that an explosion-proof fence can be obtained.
  • the explosion-proof fence can withstand the multiple impact of the SS109 bomb and the threat of at least 1.8Kg TNT equivalent explosive without disintegration and significant deformation.
  • the high-strength ultra-high molecular weight polyethylene strip was used as raw material to prepare a non-woven fabric with a weight of 100g/m 2 , and 220 layers of non-woven fabric were used, and the tubular winding hot-pressing consolidation method was adopted (the hot pressing condition was: temperature 128 ° C) , pressure 21MPa) to obtain high-strength unit plate (arc), the structure shown in Figure 3b.
  • the through-hole portions formed on both sides of the high-strength unit plate are cut by a uniform symmetrical manner, and the connection between the plates is made of a high-strength metal plunger, and the bottom of the rod is fixed by bolts.
  • Multiple high-strength unit boards are connected in such a way that an explosion-proof fence can be obtained, and the structure of the explosion-proof fence is as shown in Fig. 1a.
  • the explosion-proof fence can withstand multiple bounces of SS109 bombs and at least 2 The threat of KgTNT equivalent explosives does not occur disintegration and significant deformation.
  • Strength plate unit with explosion-proof enclosure without prepared using high molecular weight polyethylene sheeting to the strip as feedstock grammage 90g / m 2 Take 240 layer of the laid fabric, consolidated using hot plate wound manner (thermocompression The conditions are: temperature 125 ° C, pressure 20 MPa) to obtain a high strength unit plate.
  • the plurality of high-strength unit boards are connected in pairs so as to respectively assemble two double-layer explosion-proof fences of inner and outer rings, and the double-layer explosion-proof fence structure is as shown in Fig. 16a.
  • the inner and outer fences are similar in structure, the connection manners are basically the same, the height of the outer fence is less than 50% of the height of the inner fence, and the inner fence and the outer fence adopt the explosion-proof fence structure of any one of the application examples 1-5, and the outer fence can be vented. There is no, the spacing between the inner fence and the outer fence is 1m.
  • the explosion-proof fence can withstand the multiple impact of the SS109 bomb and the threat of at least 2Kg TNT equivalent explosive without disintegration and significant deformation.
  • the high-strength ultra-high molecular weight polyethylene fiber was used as raw material to prepare a weft-free cloth with a weight of 120g/m 2 , and 180 layers of non-woven fabric were taken, and the plate-type winding hot-pressing method was adopted (the hot pressing condition was: temperature 130 ° C, pressure)
  • the high-strength sheet obtained by 20MPa that is, the high-strength unit board, the structure of the high-strength unit board is shown in Fig. 2. After that, the two sides of the high-strength unit board are asymmetrically offset and multi-group mounting holes are respectively arranged, and the metal hinges are respectively fixed by the mounting holes of the respective groups, and the metal hinge structure is as shown in FIG.
  • the bottom of the plunger can be fixed by bolts, or
  • the metal hinge is fixed on the plunger, and the metal hinge fixed on the plunger is connected with the high-strength unit board, and the metal hinge positions on the adjacent sides of the two adjacent high-strength unit boards are staggered.
  • the explosion-proof fence prepared by the scheme can withstand the multiple bombardment of the SS109 bomb and the threat of at least 1.8Kg TNT equivalent explosive without disintegration and obvious deformation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne une clôture antidéflagrante formée par la liaison de multiples unités de plaque à haute résistance pare-balles et antidéflagrantes sous la forme d'un cylindre, l'unité de plaque à haute résistance comprenant un corps d'unité de plaque à haute résistance formé par un enroulement creux de tissu multicouche, de préimprégné unidirectionnel, de tissu non-tissé ou d'une combinaison de ceux-ci par de multiples cercles, puis un pressage à chaud ; deux extrémités du corps d'unité de plaque à haute résistance sont respectivement dotées de trous traversants qui sont formés d'un seul tenant avec le corps d'unité de plaque à haute résistance ; et la partie médiane du corps d'unité de plaque à haute résistance est compacte. La clôture antidéflagrante est pratique et rapide à assembler et présente une bonne performance antidéflagrante et une large plage d'applications.
PCT/CN2016/103366 2016-02-06 2016-10-26 Clôture antidéflagrante Ceased WO2017133275A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610090732 2016-02-06
CN201610090732.3 2016-02-06

Publications (1)

Publication Number Publication Date
WO2017133275A1 true WO2017133275A1 (fr) 2017-08-10

Family

ID=58230922

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/CN2016/103366 Ceased WO2017133275A1 (fr) 2016-02-06 2016-10-26 Clôture antidéflagrante
PCT/CN2016/103367 Ceased WO2017133276A1 (fr) 2016-02-06 2016-10-26 Unité de plaque à haute résistance pare-balles et antidéflagrante et procédé de préparation correspondant, et produits de protection

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/103367 Ceased WO2017133276A1 (fr) 2016-02-06 2016-10-26 Unité de plaque à haute résistance pare-balles et antidéflagrante et procédé de préparation correspondant, et produits de protection

Country Status (2)

Country Link
CN (5) CN206264477U (fr)
WO (2) WO2017133275A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019150304A1 (fr) * 2018-01-31 2019-08-08 S.I.S. Soluzioni Ingegnerizzate Per La Sicurezza S.R.L. Unité de confinement résistant aux explosions
CN113124724A (zh) * 2021-04-23 2021-07-16 中国人民解放军海军航空大学岸防兵学院 火工品测试防爆装置

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017133275A1 (fr) * 2016-02-06 2017-08-10 包头北方嘉瑞防务科技有限公司 Clôture antidéflagrante
CN108275385B (zh) * 2018-01-19 2024-02-27 天津芯缘君威科技有限公司 一种雷管用微型防爆罐及其制备方法
CN108645293A (zh) * 2018-07-23 2018-10-12 中国工程物理研究院化工材料研究所 便携式抗爆容器
CN109405693B (zh) * 2018-11-06 2023-12-26 中国人民解放军军事科学院国防工程研究院 一种半埋式可拼装抗爆结构
CN109405695B (zh) * 2018-11-14 2024-02-20 北京理工大学 一种用于柔性防爆的内外撑弹性复合结构
CN110579146B (zh) * 2019-09-17 2024-11-05 湖南艾尔防务技术有限公司 一种一体式结构防爆毯
DE202019003954U1 (de) * 2019-09-25 2019-10-17 Rainer Teutenberg Rückprallhemmende Wand- und Deckenbekleidung für Schießanlagen
CN111409254A (zh) * 2020-04-27 2020-07-14 北京普凡防护科技有限公司 一种防爆毯围栏生产装置及生产方法
CN112161521B (zh) * 2020-07-06 2022-09-23 北京理工大学 模块化拼接式爆炸防护围栏及防爆毯
CN113108661A (zh) * 2021-03-26 2021-07-13 西安近代化学研究所 一种真空罐内爆试验用防护装置
CN113739660A (zh) * 2021-08-23 2021-12-03 北京理工大学 折叠式防爆围栏的设计、制作方法及其产品
CN114016661A (zh) * 2021-11-23 2022-02-08 郑州中远防务材料有限公司 一种单元板及其组合物
CN116164607B (zh) * 2022-10-25 2024-08-09 北京理工大学 一种非包容式机载抗爆装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101718512A (zh) * 2009-12-10 2010-06-02 上海斯瑞聚合体科技有限公司 一种汽车炸弹防爆围栏及其使用方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2276078Y (zh) * 1996-08-21 1998-03-11 新汶矿务局华丰煤矿多种经营劳动服务公司 煤矿井下用塑料布假顶
AU720924B2 (en) * 1996-11-12 2000-06-15 Dsm Ip Assets B.V. Barrier units and articles made therefrom
US7685921B2 (en) * 2006-02-03 2010-03-30 University Of Maine System Board Of Trustees Composite panels for blast and ballistic protection
CN101629794B (zh) * 2008-07-17 2013-01-02 宁波荣溢化纤科技有限公司 一种防弹成型件的制备方法
CN202002563U (zh) * 2011-01-25 2011-10-05 西安超码复合材料公司 一种防爆毯
CN203129617U (zh) * 2013-04-01 2013-08-14 雷雨 快拆防护围栏
CN103940310B (zh) * 2014-04-29 2015-09-02 江苏领瑞新材料科技有限公司 一种高性能防爆毯
WO2017133275A1 (fr) * 2016-02-06 2017-08-10 包头北方嘉瑞防务科技有限公司 Clôture antidéflagrante

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101718512A (zh) * 2009-12-10 2010-06-02 上海斯瑞聚合体科技有限公司 一种汽车炸弹防爆围栏及其使用方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019150304A1 (fr) * 2018-01-31 2019-08-08 S.I.S. Soluzioni Ingegnerizzate Per La Sicurezza S.R.L. Unité de confinement résistant aux explosions
CN113124724A (zh) * 2021-04-23 2021-07-16 中国人民解放军海军航空大学岸防兵学院 火工品测试防爆装置

Also Published As

Publication number Publication date
CN206264477U (zh) 2017-06-20
CN206510555U (zh) 2017-09-22
CN207351324U (zh) 2018-05-11
WO2017133276A1 (fr) 2017-08-10
CN106468527A (zh) 2017-03-01
CN106466944A (zh) 2017-03-01

Similar Documents

Publication Publication Date Title
CN206264477U (zh) 防爆围栏
CN206264476U (zh) 高强防爆板
US7601654B2 (en) Molded ballistic panel with enhanced structural performance
US11015903B2 (en) Enhanced ballistic protective system
US20130263727A1 (en) Multi-Functional Hybrid Panel For Blast and Impact Mitigation and Method of Manufacture
WO2008153613A2 (fr) Système d'armure et procédé pour mettre en déroute des projectiles à haute énergie qui comprennent des jets métalliques
CN101023228A (zh) 防弹屏障的方法和系统
WO2010082970A2 (fr) Blindages réactifs topologiquement contrôlés pour protection et procédé associé
CN209945152U (zh) 一种防弹装甲和具有其的车辆
CA2597527A1 (fr) Charge militaire a barreau a energie cinetique, a angles de deploiement inferieurs
CN107367197B (zh) 一种轻质高抗力模块化库体防护单元
CN103822541B (zh) 防弹装甲模块的层结构
CN115682838A (zh) 一种轻质化的防弹复合装甲板
KR101877218B1 (ko) 방탄 모듈
US20100242714A1 (en) Anti-ballistic egress window assembly
US9809005B2 (en) Anti-ballistic materials and system
CN216245850U (zh) 一种抗冲击波与破片联合毁伤的装甲面层及装甲组件
US20120177871A1 (en) Impact resistant foamed glass materials for vehicles and structures
Zhang et al. Normal and oblique impact on polyurea-coated ASTM1045 steel plates by small-arms projectiles
US20120210860A1 (en) Pipe-shaped product with ballistic protection
CN113758375B (zh) 一种双切削消能防护结构以及消能防弹板
CN117989949A (zh) 一种多层级近场爆炸防护结构
CN113739660A (zh) 折叠式防爆围栏的设计、制作方法及其产品
CN222926083U (zh) 一种防弹墙结构
EP3128282A2 (fr) Procédé d'assemblage d'une barrière de sécurité pour protection balistique

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16889085

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16889085

Country of ref document: EP

Kind code of ref document: A1