EP3117178A1 - Projectile - Google Patents

Projectile

Info

Publication number
EP3117178A1
EP3117178A1 EP15715665.4A EP15715665A EP3117178A1 EP 3117178 A1 EP3117178 A1 EP 3117178A1 EP 15715665 A EP15715665 A EP 15715665A EP 3117178 A1 EP3117178 A1 EP 3117178A1
Authority
EP
European Patent Office
Prior art keywords
annular
projectile
connecting portion
orthogonal plane
splitter
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.)
Granted
Application number
EP15715665.4A
Other languages
German (de)
English (en)
Other versions
EP3117178B1 (fr
Inventor
Peter Pichler
Christian Müller
Martin Emsenhuber
Bernhard Mayer
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.)
Hirtenberger Defence Europe GmbH
Original Assignee
Hirtenberger Defence Systems GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hirtenberger Defence Systems GmbH filed Critical Hirtenberger Defence Systems GmbH
Priority to PL15715665T priority Critical patent/PL3117178T3/pl
Priority to MEP-2018-65A priority patent/ME03050B/fr
Priority to RS20180395A priority patent/RS57134B1/sr
Publication of EP3117178A1 publication Critical patent/EP3117178A1/fr
Application granted granted Critical
Publication of EP3117178B1 publication Critical patent/EP3117178B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
    • F42B12/22—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction
    • F42B12/28—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction the projectile wall being built from annular elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
    • F42B12/22—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F42B12/367—Projectiles fragmenting upon impact without the use of explosives, the fragments creating a wounding or lethal effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
    • F42B12/22—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction
    • F42B12/24—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction with grooves, recesses or other wall weakenings

Definitions

  • the invention relates to a projectile having a projectile body, which has a recess for receiving explosives, wherein the projectile body at least partially a rotationally symmetrical, preferably a cylindrical outer surface ⁇ has, which is at least partially surrounded by a plurality of predetermined breaking points annular elements, wherein about the predetermined breaking points are predefined at the disintegration of the elements forming splitter, and the splitter are connected to form the annular member in an annular connecting portion with each other.
  • a projectile of the type initially mentioned, wherein ring-shaped elements have predetermined breaking points in order to produce slivers of a predefined size and mass in case of the explosion of the bullet is, for example, from EP 0328877 A ⁇ be known.
  • a plurality of rings are arranged one above the other to form a splitter shell, wherein the rings have on the inside cylindrical or in cross-section triangular Ausspa ⁇ ments to determine the desired size of the splitter.
  • Comparable embodiments are further known from DE 37 216 19 AI or US 8,276,520 Bl.
  • the aim of the present invention is therefore to provide a projectile of the type mentioned, in which the splinters are ejected from the projectile in such a way that the radius in which the splinters develop an effect is increased.
  • the annular elements were formed substantially disc-shaped, ie, the cantilevered ends of the predefined splitter and the opposite end of the annular member to which the splitter are connected to each other, were arranged in the same orthogonal plane. Due to this disc-shaped configuration known in the state of the art, the fragments are hitherto ejected substantially at right angles to the longitudinal axis of the usually cylindrical section of the projectile body when the explosive received in the projectile body explodes.
  • the projectile strikes the ground at an angle of, for example, 45 ° and therefore the explosive ignites in this angular position, a significant proportion of the recorded on the projectile body splitter in the direction of the ground misguided, so that the projectile has a relatively small range of effect or the scattering effect is inefficient.
  • At least a subset of the splitter in cross section substantially ge ⁇ rectilinear, ie not curved, formed, so that on the one hand the trajectory can be well determined;
  • the production of the annular elements can be achieved in a simple manner by prefabrication of initially annular discs, in which then - at least a subset - of the splitter from the plane of the splitter connecting annular connecting portion are bent.
  • all the splitter substantially enclose the same angle of inclination with respect to a defined by the annular connecting portion orthogonal to the longitudinal axis, results in a particularly efficient production technology configuration in which all of the annular elements have essentially the slip ⁇ che embodiment.
  • annular elements are arranged at the same angle relative to the longitudinal axis of the cylindrical portion of the projectile body ⁇ , since preferably the arrangement of the annular elements is divided into at least two sections, wherein the Arrangement or alignment of the annular elements in the first section is reversed relative to the arrangement of the annular elements in the second section, or the annular elements in the two sections can be arranged in mirror image with respect to an orthogonal plane to the longitudinal axis of the rotationally symmetrical portion of the projectile body.
  • a subset of the fragments include a deviating from 90 ° first angle with the plane defined by the annular connecting portion orthogonal a ⁇ and another Subset also include a deviating from 90 ° second angle with the defined by the annular connecting portion orthogonal plane.
  • the second angle in this case corresponds in magnitude to the first angle, but the inclination of the splitter is about an axis extending through an annular connecting section plane ge ⁇ reflected.
  • annular elements each have a plurality of grooves as predetermined breaking points.
  • a substantially disk-shaped annular member may initially prepared ⁇ that in which then erosion grooves can be incorporated by means of stamping, milling, laser cutting or optionally also by (wire) to produce a controlled fragmentation of the annular elements.
  • the grooves have a substantially rectangular cross-section.
  • the groove bottom of the substantially rectangular grooves can be designed differently. It is particularly advantageous for example when the grooves using a wire erosion be introduced, since in this case the grooves can have a relatively small width and therefore relatively small Materialver ⁇ losses are achieved in the production of the predetermined breaking points. It follows that due to the usually round wire cross-section, the grooves have an arcuate groove bottom.
  • the grooves have an acute-angled groove bottom.
  • annular Ver ⁇ binding portion of a Man ⁇ tel having full-surface, outer substantially, so that a substantially closed, preferably cylindrical outer jacket surface results in superposition of such annular elements without therefor additional precautions should be taken ,
  • the outer circumferential surface of the annular elements each have a deviating from 90 ° angle with an upper and lower surface of the annular croqusab ⁇ section, so that the lateral surface substantially ver ⁇ runs parallel to the cylindrical surface of the projectile body almond.
  • substantially planar annular discs are produced, in which then using the above Steps (eroding, punching, milling, etc.) predetermined breaking points are introduced, wherein an annular connecting portion remains. Subsequently, the cantilevered ends of the predefined splitter are bent out of the plane defined by the annular connecting portion, whereby the desired ejection direction is defined.
  • the sharp-edged triangular projections of the annular elements are advantageously removed, preferably in a turning process and after the annular elements have been bonded together, so that the desired substantially planar outer Lateral surface is achieved.
  • This can then with a known in the art protective lacquer or the like. be provided.
  • the ground-level annular elements are ejected at a different angle than the ground-away annular elements, so that it is advantageous if a positioning ring is arranged between a first subset and a second subset of the annular elements , With the aid of said positioning the annular elements thus can be divided by un ⁇ ter Kunststoff ejection directions, on a ⁇ ways in at least two partial quantities, preferably.
  • the positioning ring to an orthogonal plane of the longitudinal axis of the rotationally symmetric portion of the projectile body has a sloping upper and lower An ⁇ bearing surface, wherein the positioning ring is preferably designed mirror image of a central orthogonal plane of the longitudinal axis of the rotationssymme ⁇ tric section.
  • annular element for a projectile which has at least partially meh ⁇ rere predetermined breaking points, which are defined on the disintegration of the element forming splitter, wherein the freely projecting ends of the splitter at least partially are arranged in a common orthogonal plane to a longitudinal axis of the annular element, and this orthogonal plane is arranged deviating from a defined by the annular connecting portion Orthogo ⁇ nalebene.
  • FIG. 1 shows a cross section of a projectile according to the invention
  • Fig. La shows a cross section of an alternativelysbei ⁇ game of a projectile according to the invention
  • Fig. 2 is a perspective view of an annular member
  • FIG. 3 is a side view of the annular element of FIG. 2; FIG.
  • Fig. 4 is a plan view of the annular element according to the
  • Fig. 5 is a plan view of an alternative embodiment of the annular element
  • Fig. 6 is a plan view of another alternative embodiment the annular element
  • Fig. 7 is a plan view of another alternative embodiment of the annular element
  • FIG. 8 is a perspective view of an annular member with splinters projecting in different directions
  • FIG. 9 is a side view of the annular element of FIG. 8.
  • an inventive projectile 1 can be seen, wel ⁇ Ches a projectile body 2 having a rear part 3 and a blast pipe 4.
  • the blasting tube 4 in this case has an off ⁇ recess 5 for receiving the explosive and a thereto at ⁇ closing recess 6 for receiving a (not shown) the igniter.
  • a bottom igniter or a ground clearance igniter can be provided.
  • the blasting tube 4 has a substantially cylindrical shape, so that in a section of the projectile 2 a rotationally symmetrical, in the present case cylindrical surface 7 is formed, on which in a simple manner a plurality of annular elements 8 can be accommodated.
  • the outer diameter of the cylindrical lateral surface 7 and the inner diameter of the annular elements 8 is in this case selected so that the annular elements 8 can be pushed or threaded in a simple manner with play on the substantially cylindrical tubular element.
  • a longitudinal axis 7 'of the cylindrical jacket surface 7 of the blasting tube 4 and a longitudinal or rotational axis 8' of the annular elements 8 essentially coincide.
  • annular elements 8 are subdivided into two groups or partial quantities 10, 10 'by means of a positioning ring 9.
  • all annular elements 8 are designed the same, but the spatial arrangement of annular elements 8 in the first group 10, which is arranged closer to the igniter receptacle 6, contrary to the arrangement of the annular elements 8 in the second subset or group 10 'is.
  • the scattering angle of the splitter in Explosi ⁇ on - as explained in more detail below - further improved.
  • Fig. La an alternate embodiment of the projectile OF INVENTION ⁇ to the invention 1 is shown, wherein a continuously convex curved outer surface 16 is provided here.
  • the lateral surface 16 is achieved in a central portion by arranging annular elements 8 with a substantially identical inner diameter, but different outer diameter, on a cylindrical lateral surface 7 of the blasting tube 4.
  • the outer diameter of the annular elements 8 is in this case selected such that advantageously in the region of the positioning ring 9, the projectile 1 has the largest diameter.
  • This convexly curved configuration of the outer lateral surface 16 advantageously results in a particularly favorable aerodynamics, which substantially corresponds to the aerodynamic design of other projectiles (without annular splinter elements).
  • the invention according to the desired increase in the scattering angle can be further promoted.
  • FIGS. 2 to 4 show a first possible embodiment of the annular elements 8 according to the invention.
  • annular connecting section 11 is formed on the outside, from which a multiplicity of splinters 12, each with a cantilevered end 13, extends inwards.
  • the annular elements 8 according to the invention are preferably made of annular discs, these annular discs for determining the inclination of the splitter 12 in the embodiment shown at an angle of substantially 30 ° relative to an orthogonal plane 11 'and 13' then preferably by means of a stamping process be transformed.
  • the desired groove shape can be produced in a particularly simple and efficient manner by means of stamping.
  • the possible groove production methods are of course also related to the choice of material of the annular elements 8, wherein in the embodiment of the invention preferably a suitable iron material, which corresponds to the desired requirements in connection with the formation of splinters in terms of hardness and toughness, is selected.
  • a suitable iron material which corresponds to the desired requirements in connection with the formation of splinters in terms of hardness and toughness, is selected.
  • Such an iron material basically also has good punching capabilities.
  • the dimensions of the annular disc element which serves as an intermediate product for the annular elements according to the invention, are chosen such that a cuboid shaped splitter configuration, particularly preferably a cubist splitter design, is achieved.
  • grooves 14 are created with a substantially right ⁇ ckigen cross-section in a simple manner, wherein the groove bottom 15 ', alternatively, a circular arc (see FIGS. 2 to 4), an acute angle (see Fig. 5), or may be formed in a straight line (see Fig. 7).
  • a particularly material-saving manufacturing method was used in the element 8 shown in Fig. 6, in which grooves 14 having a comparatively small cross-sectional width were produced by means of wire erosion.
  • the grooves can of course also be produced by means of laser.
  • FIGS. 9 and 10 a further alternative execution ⁇ example of the annular member 8 is shown, in which case 8 has the annular element two sets of splitters 12, wherein a group of the splitter 12 to a space defined by the annular connecting portion orthogonal plane 11 ' up and the other group of splinters 12 is bent down.
  • the different orientation of the sliver 12 is in this case seen in the circumferential direction alternately selected so that vorteilhaf ⁇ ingly identically formed ring-shaped elements 8 may be stacked in a twisted by a splitter 12 arranged alignment intimately with each other.
  • annular elements 8 in which the splitter 12 are bent in one direction only with respect to the plane defined by the annular connecting portion 11 level 11 ', different ejection directions by the shaped Elements 8 are pushed in different spatial orientation on the cylindrical surface 7.
  • the ringförmi ⁇ gene elements 8 of the group 10 ' which are arranged closer to the rear part 3 of the projectile 2, have a scattering angle ß' of magnitude preferably also about 0 ° to 70 ° to Orthogo ⁇ nalebene 13 ', but in the opposite direction ,
  • the ejection angle of the splinters 12 increases further as the splinters move away from the positioning ring 9 or a median plane, so that advantageously an overall effective ejection angle of up to 140 ° results.
  • annular elements 8 in their assembled position form a substantially planar outer circumferential surface 16. Since the outer circumferential surface of the annular connecting portion 11 at ref ⁇ tion for the sake of inclination of the splitter 12 are also initially arranged obliquely to the desired flat lateral surface 16, the annular elements 8 are preferably glued together and then sharp edged, in cross-section substantially triangular projections removed in a rotational process, so that the desired substantially flat lateral surface 16 is achieved. This can then still with regard to an improved corrosion protection with a paint layer or the like. be provided.
  • annular elements 8 are provided with different angles or partially disc-shaped elements, in which the splitter extend substantially in the direction of an orthogonal plane on the longitudinal axis 8 '. It is only essential that at least some annular elements 8 are provided, in which the cantilevered ends 13 of the splitter 12 are arranged in a different orthogonal plane 13 'to the section of the annular gleichsab ⁇ defined orthogonal plane 11' to the scattering angle of the splitter 12th to enlarge.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Powder Metallurgy (AREA)
  • Toys (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

L'invention concerne un projectile (1) présentant un corps (2), qui comporte un évidement (5) servant à recevoir une charge explosive. Le corps de projectile (2) comporte au moins par endroits une surface enveloppante (7) symétrique en rotation, qui est entourée au moins par endroits par plusieurs éléments (8) de forme annulaire, pourvus de points de rupture théorique. Des fragments (12) se formant lors de la désintégration des éléments (8) sont prédéfinis sur les points de rupture théorique, et les fragments (12) sont assemblés les uns aux autres dans une section de liaison (11) de forme annulaire afin de former l'élément (8) de forme annulaire. Les extrémités (13) en porte-à-faux des fragments (12) sont disposées au moins en partie dans un plan commun orthogonal (13') par rapport à un axe longitudinal (8') de l'élément (8) de forme annulaire. Ledit plan orthogonal (13') est disposé de manière à s'écarter d'un plan orthogonal (11') défini par la section de liaison (11) de forme annulaire. L'invention concerne également un élément (8) présentant de manière correspondante une forme annulaire pour le projectile (1).
EP15715665.4A 2014-03-14 2015-03-10 Projectile Active EP3117178B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL15715665T PL3117178T3 (pl) 2014-03-14 2015-03-10 Pocisk
MEP-2018-65A ME03050B (fr) 2014-03-14 2015-03-10 Projectile
RS20180395A RS57134B1 (sr) 2014-03-14 2015-03-10 Projektil

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50190/2014A AT515209B1 (de) 2014-03-14 2014-03-14 Geschoss
PCT/AT2015/050062 WO2015135013A1 (fr) 2014-03-14 2015-03-10 Projectile

Publications (2)

Publication Number Publication Date
EP3117178A1 true EP3117178A1 (fr) 2017-01-18
EP3117178B1 EP3117178B1 (fr) 2018-01-31

Family

ID=52823962

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15715665.4A Active EP3117178B1 (fr) 2014-03-14 2015-03-10 Projectile

Country Status (24)

Country Link
US (2) US10415939B2 (fr)
EP (1) EP3117178B1 (fr)
JP (1) JP6375587B2 (fr)
KR (1) KR101915174B1 (fr)
AT (1) AT515209B1 (fr)
AU (1) AU2015230658B2 (fr)
BR (1) BR112016021064B1 (fr)
CA (1) CA2940739C (fr)
CL (1) CL2016002288A1 (fr)
DK (1) DK3117178T3 (fr)
ES (1) ES2662978T3 (fr)
IL (1) IL247765B (fr)
ME (1) ME03050B (fr)
MX (1) MX378795B (fr)
MY (1) MY185509A (fr)
NO (1) NO3117178T3 (fr)
NZ (1) NZ724453A (fr)
PH (1) PH12016501730B1 (fr)
PL (1) PL3117178T3 (fr)
RS (1) RS57134B1 (fr)
RU (1) RU2684795C2 (fr)
SG (1) SG11201607618XA (fr)
WO (1) WO2015135013A1 (fr)
ZA (1) ZA201605972B (fr)

Families Citing this family (6)

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AT515209B1 (de) 2014-03-14 2015-07-15 Hirtenberger Defence Systems Gmbh & Co Kg Geschoss
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US12173996B2 (en) * 2022-02-28 2024-12-24 Corvid Technologies LLC Munitions and methods for operating same
US20250067545A1 (en) * 2022-02-28 2025-02-27 Corvid Technologies LLC Warheads, munitions and methods for operating same

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PH12016501730B1 (en) 2019-05-24
RU2016139462A (ru) 2018-04-17
US20180202783A1 (en) 2018-07-19
RU2016139462A3 (fr) 2018-09-19
US20190041176A9 (en) 2019-02-07
JP2017507313A (ja) 2017-03-16
MX378795B (es) 2025-03-10
ME03050B (fr) 2018-10-20
WO2015135013A1 (fr) 2015-09-17
MY185509A (en) 2021-05-19
KR101915174B1 (ko) 2018-11-06
JP6375587B2 (ja) 2018-08-22
US10648783B2 (en) 2020-05-12
NO3117178T3 (fr) 2018-06-30
AU2015230658A1 (en) 2016-09-15
AU2015230658B2 (en) 2019-05-16
CA2940739A1 (fr) 2015-09-17
RS57134B1 (sr) 2018-07-31
US20190360789A1 (en) 2019-11-28
BR112016021064B1 (pt) 2021-02-23
PL3117178T3 (pl) 2018-07-31
CL2016002288A1 (es) 2017-01-20
PH12016501730A1 (en) 2017-02-06
NZ724453A (en) 2022-01-28
US10415939B2 (en) 2019-09-17
CA2940739C (fr) 2022-07-26
AT515209A4 (de) 2015-07-15
EP3117178B1 (fr) 2018-01-31
DK3117178T3 (en) 2018-05-07
KR20160142841A (ko) 2016-12-13
AT515209B1 (de) 2015-07-15
IL247765B (en) 2019-02-28
MX2016011623A (es) 2016-11-29
ES2662978T3 (es) 2018-04-10
RU2684795C2 (ru) 2019-04-15
SG11201607618XA (en) 2016-10-28
ZA201605972B (en) 2017-08-30

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