EP2966398A1 - Dispositif sur une charge creuse cylindrique - Google Patents

Dispositif sur une charge creuse cylindrique Download PDF

Info

Publication number
EP2966398A1
EP2966398A1 EP15001992.5A EP15001992A EP2966398A1 EP 2966398 A1 EP2966398 A1 EP 2966398A1 EP 15001992 A EP15001992 A EP 15001992A EP 2966398 A1 EP2966398 A1 EP 2966398A1
Authority
EP
European Patent Office
Prior art keywords
flange
shell
longitudinal axis
insert
charge
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
EP15001992.5A
Other languages
German (de)
English (en)
Other versions
EP2966398B1 (fr
Inventor
Christian Schäfers
Reiner Gleichmar
Christian Euba
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.)
TDW Gesellschaft fuer Verteidigungstechnische Wirksysteme mbH
Original Assignee
TDW Gesellschaft fuer Verteidigungstechnische Wirksysteme mbH
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 TDW Gesellschaft fuer Verteidigungstechnische Wirksysteme mbH filed Critical TDW Gesellschaft fuer Verteidigungstechnische Wirksysteme mbH
Publication of EP2966398A1 publication Critical patent/EP2966398A1/fr
Application granted granted Critical
Publication of EP2966398B1 publication Critical patent/EP2966398B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B1/00—Explosive charges characterised by form or shape but not dependent on shape of container
    • F42B1/02—Shaped or hollow charges
    • 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 device on a cylindrical, surrounded by a shell hollow charge, which has an ignition device in the region of the longitudinal axis at one end of the shell, which is opposite to an insert at the other end of the shell, wherein in from shell, the insert and the ignition device formed cavity is arranged an explosive charge, and wherein between the outer edge of the insert and the edge of the sheath located in the vicinity of the insert is arranged a connected to both, radially extending annular flange.
  • a shaped charge which, in addition to a shaped insert, an ignition device and an explosive charge, also has a casing surrounding the charge.
  • a plate-shaped ring is arranged, which is connected to the insert and the shell.
  • further embodiments of this ring are not mentioned.
  • the shell of a cylindrical warhead with imprints, slots or grooves, which may be arranged not only unidirectionally, but also in figurative arrangements, such as diamonds. This can be generated in the radial direction outgoing natural or shaped splitter.
  • the present invention has for its object to extend a hollow charge such that both the known spine is formed and in addition, splinters in the direction of the spine, but also in an angular range can be given to it.
  • the flange has a plurality of linear or figurative imprints and / or deformations, with the help of which together with the pressure load by the initiated explosive charge splitter can be formed, and that the flange depending on the desired direction of flight the producible fragment is inclined or arranged perpendicular to the longitudinal axis.
  • splinters can be generated around the spike in the firing direction, creating a splinter circle around the spike in the target.
  • splinters can be generated around the spike in the firing direction, creating a splinter circle around the spike in the target.
  • FIG. 1 is a shaped charge according to the known construction principle shown in an oblique section.
  • the explosive charge S is surrounded on the outside by a cylindrical envelope H.
  • the ignition device Z is arranged centrally on the longitudinal axis.
  • the hollow charge is completed at the rear with a plate ZP, on the one hand carries the ignition Z and is connected to the outer edge of the shell H and sealed against her.
  • the envelope H is bent on the pointing in the direction of flight side in the direction of the longitudinal axis L.
  • This part which is arranged approximately perpendicular to the longitudinal axis L, is referred to here as flange F.
  • This flange F is firmly connected at its inner edge with the insert E, which seals the interior of the hollow charge to the front.
  • the flange F has a plurality of embossments P and / or deformations.
  • these locations turn out to be those locations where, due to the pressure acting from inside the sheath and the flange, material weakening occurs first, which breaks into cracks. These cracks are then decisive for the shape of the chips formed thereby.
  • the embossing can be made diverse. In the simple case, these are just linear notches. This can produce natural splinters. The notches can also be created crosswise. This makes it possible to produce diamond-shaped fragments of defined size. It is also conceivable to carry out the embossing in the form of figures (such as circles, squares) spaced on the flange. This creates a mixture of shaped and natural splinters.
  • embossing P deformations can be pressed into the flange, which may be both concave, and convex. This in turn can be used to create shaped fragments, with the interstices forming natural fragments again. Finally, embossments P with deformations V can be combined as desired. The appropriate choice is left to the expert.
  • FIG. 1 a one-piece combination of sheath H and flange F.
  • sheath H and flange F are both made of the same material.
  • the thickness of the sheath and the flange is adjusted according to the purpose.
  • shell and flange can also be made shell and flange as separate components that are connected to each other during assembly. Different materials can be combined with each other. The thickness of the flange can also be varied to influence the type of fragmentation.
  • a device of the type described so far generates splinters which preferably fly away approximately parallel to the longitudinal axis L. If the generated splinter ring is to open towards the target, it is advisable to bend the flange backwards at an angle of up to 45 °. In this case, the flange in its cross section in the radial direction not only straight but also be curved. With the latter embodiment, a wider radial dispersion of the splitter is achieved.
  • the splinter image can be seen on a proof plate.
  • the area where the sting of the hollow charge hit the plate is very easy to spot.
  • the circle of fragments originating from the flange can be clearly seen.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Disintegrating Or Milling (AREA)
EP15001992.5A 2014-07-09 2015-07-03 Dispositif sur une charge creuse cylindrique Active EP2966398B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014010180.0A DE102014010180A1 (de) 2014-07-09 2014-07-09 Vorrichtung an einer zylindrischen Hohlladung

Publications (2)

Publication Number Publication Date
EP2966398A1 true EP2966398A1 (fr) 2016-01-13
EP2966398B1 EP2966398B1 (fr) 2018-06-13

Family

ID=53513921

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15001992.5A Active EP2966398B1 (fr) 2014-07-09 2015-07-03 Dispositif sur une charge creuse cylindrique

Country Status (3)

Country Link
EP (1) EP2966398B1 (fr)
DE (1) DE102014010180A1 (fr)
ES (1) ES2685800T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220364444A1 (en) * 2021-05-14 2022-11-17 Halliburton Energy Services, Inc. Preferential Fragmentation Of Charge Case During Perforating
EP4198445A1 (fr) * 2021-12-15 2023-06-21 Diehl Defence GmbH & Co. KG Charge de précurseur à effets multiples

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019101761A1 (de) * 2019-01-24 2020-07-30 Rheinmetall Denel Munition (Pty) Ltd. Sprengladungsanordnung einer Rakete mit einer seitlich wirkenden Hohlladung mit einer seitlich wirkenden Splitterladung
DE102019101762A1 (de) * 2019-01-24 2020-07-30 Rheinmetall Denel Munition (Pty) Ltd. Sprengladungsanordnung einer Rakete mit zwei unterschiedlichen Sprengstoffen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331768A1 (fr) * 1975-11-14 1977-06-10 Luchaire Sa Grenade perfectionnee
US4474113A (en) 1981-10-28 1984-10-02 Oy Sica Ab Hollow charge of a directed explosion effect as well as method for the manufacture of the metallic cone of the hollow charge
DE3506225A1 (de) * 1985-02-22 1986-08-28 Diehl GmbH & Co, 8500 Nürnberg Gefechtskopfanordnung
US7493861B1 (en) * 1989-07-24 2009-02-24 The United States Of America As Represented By The Secretary Of The Army Tandem shaped charge warhead having a confined forward charge and a light-weight blast shield

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3625966A1 (de) * 1986-07-31 1988-02-11 Diehl Gmbh & Co Projektilbildende ladung
SE519365C2 (sv) * 2000-07-03 2003-02-18 Bofors Defence Ab Arrangemang vid uppskjutbar ammunitionsenhet med modulärt uppbyggda stridsdelar
US7930978B1 (en) * 2008-05-19 2011-04-26 Raytheon Company Forward firing fragmentation warhead

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331768A1 (fr) * 1975-11-14 1977-06-10 Luchaire Sa Grenade perfectionnee
US4474113A (en) 1981-10-28 1984-10-02 Oy Sica Ab Hollow charge of a directed explosion effect as well as method for the manufacture of the metallic cone of the hollow charge
DE3506225A1 (de) * 1985-02-22 1986-08-28 Diehl GmbH & Co, 8500 Nürnberg Gefechtskopfanordnung
US7493861B1 (en) * 1989-07-24 2009-02-24 The United States Of America As Represented By The Secretary Of The Army Tandem shaped charge warhead having a confined forward charge and a light-weight blast shield

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220364444A1 (en) * 2021-05-14 2022-11-17 Halliburton Energy Services, Inc. Preferential Fragmentation Of Charge Case During Perforating
US11649703B2 (en) * 2021-05-14 2023-05-16 Halliburton Energy Services, Inc. Preferential fragmentation of charge case during perforating
EP4198445A1 (fr) * 2021-12-15 2023-06-21 Diehl Defence GmbH & Co. KG Charge de précurseur à effets multiples

Also Published As

Publication number Publication date
DE102014010180A1 (de) 2016-01-14
ES2685800T3 (es) 2018-10-11
EP2966398B1 (fr) 2018-06-13

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