EP0848228A2 - Projectile ballistique explosif sans fusée - Google Patents

Projectile ballistique explosif sans fusée Download PDF

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Publication number
EP0848228A2
EP0848228A2 EP97121301A EP97121301A EP0848228A2 EP 0848228 A2 EP0848228 A2 EP 0848228A2 EP 97121301 A EP97121301 A EP 97121301A EP 97121301 A EP97121301 A EP 97121301A EP 0848228 A2 EP0848228 A2 EP 0848228A2
Authority
EP
European Patent Office
Prior art keywords
explosive
projectile
charge
projectile according
cavity
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
EP97121301A
Other languages
German (de)
English (en)
Other versions
EP0848228A3 (fr
EP0848228B1 (fr
Inventor
Manfred Dr. Schildknecht
Karl Rudolf
Hans Strauss
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.)
Diehl Stiftung and Co KG
Original Assignee
Diehl Stiftung and Co KG
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 Diehl Stiftung and Co KG filed Critical Diehl Stiftung and Co KG
Publication of EP0848228A2 publication Critical patent/EP0848228A2/fr
Publication of EP0848228A3 publication Critical patent/EP0848228A3/fr
Application granted granted Critical
Publication of EP0848228B1 publication Critical patent/EP0848228B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F42B12/201—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 characterised by target class
    • F42B12/204—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 characterised by target class for attacking structures, e.g. specific buildings or fortifications, ships or vehicles
    • 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
    • F42B12/208—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 characterised by a plurality of charges within a single high explosive warhead
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C1/00—Impact fuzes, i.e. fuzes actuated only by ammunition impact
    • F42C1/10—Impact fuzes, i.e. fuzes actuated only by ammunition impact without firing-pin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S102/00—Ammunition and explosives
    • Y10S102/702—Compression ignition

Definitions

  • the invention relates to a detonator-free, ballistic explosive projectile the preamble of claim 1.
  • a ballistic projectile for a machine gun is from DE-AS 1 952 494 known. It has no mechanical detonator.
  • the projectile has two fire charges connected in series by a channel.
  • A, the support disc provided with the channel carries the front one, which ignites on impact Incendiary charge.
  • This fire charge is designed as a homogeneous body and lies central, in the bolted to the projectile body under the Contact pressure of the support disc.
  • the rear fire load is on the bottom Explosive charge. Because of the two fire charges that burn off with a delay the explosive charge is detonated with a corresponding delay.
  • the volume of the Explosive charge is small, so that the fragments only from the, approximately middle part of the Storey body are generated.
  • the US-PS 22 17 645 shows a projectile with one arranged in the top of the projectile Ignition charge and with an explosive charge that can be ignited by the latter.
  • the Primer charge is a hard body inserted when the projectile hits As a result of its inertia it moves towards the top of the projectile and the Ignition charge ignites.
  • Such a projectile is for weapon calibers from 6 to 15 mm intended. For larger calibers with correspondingly large feed and launch accelerations there is a risk of early ignition.
  • Another detonator detonator with delayed initiation of the explosive charge is known from DE 24 23 920 C2.
  • a relatively large burn charge will ignited by a detonator when the projectile hits the floor.
  • the combustion charge ignites then the explosive charge, which is approximately equal in volume.
  • the long ignition delay due to the large burn charge the burn charge shows to enlarge their burning surface and thus to shorten it at least one hole in their burning time.
  • the fragmentation performance of such a projectile is low because the explosive charge is only about a third of the total length of the storey matters.
  • a short delay to initiate the explosive charge in a detonating, Ballistic explosive projectile according to DE 24 23 921 C1 is achieved that a metal body arranged on the ignition means from a propellant charge in a burn charge is shot to make a hole.
  • the effective one Length of what is still to be burned, for example from the bottom of the hole to the explosive charge reaching part of the erosion charge leads to a shortening of the delay time.
  • the explosive charge is only about a third of the total length of the Projectile so that the fragmentation effect of the projectile is relatively small.
  • the invention is based, an explosive projectile without mechanical, to create electrical or electronic detonators with great splinter power.
  • the detonator should also be able to detonate the projectile at thin targets bring to.
  • the invention solves this problem according to the characterizing features of claim 1.
  • a main charge of explosives extends from the bottom of the Storey or from a tracer to the ogive area of the storey. This ensures that the entire or almost the entire floor body is splinter-effectively implemented in the detonation.
  • An impact sensitive, the ignition-critical area is assigned to the storey log and is therefore outside of the projectile body.
  • the central, large-volume hole in the otherwise ogive side closed projectile body ensures the ignition, starting from a structured secondary explosive for the main charge.
  • the bore diameter is selected so that the ignition of the main charge is guaranteed.
  • the structured secondary explosive has a large number of uniformly distributed, small cavities. This will make the secondary explosive more sensitive to shock elevated. The voids collapse on impact and cause high local pressure peaks that initiate the structured secondary explosive to lead.
  • the cavities are regularly shaped. They have the shape of a sphere, one Cylinder or an ellipsoid.
  • a penetration core on the ogive side increases the fragmentation effect of the projectile, especially in lightly armored vehicles or aircraft structures.
  • the implementation of the impact energy of the projectile on a target is carried out in all Angular ranges, i.e. both with direct service and with a very flat impact through the between the floor hood and the punch core ensures structured secondary explosives.
  • the punch core acts as an anvil for the deformed when it hits the hood Secondary explosives.
  • the anvil increases the ignition effect through reflection the shock waves generated in the explosive on impact.
  • the hood is either attached to the punch core in a simple manner through a threaded connection or a positive, detachable connection.
  • the projectile 1 provided with a propellant charge sleeve 2 consists of a projectile body 10 the circumferential side of a guide and sealing ring 12 and inside has a cavity 13 which extends from the floor 15 to the area of the Storey arch 14 extends.
  • the cavity 13 ends with a bore cone 16 on a punch core 18, which is integrally connected to the projectile body 10 is.
  • the punch body 18 is divided into two sections 20, 22.
  • a first section 20 on the projectile body side serves to fasten a thin-walled part
  • a second section 22 of the punch core 18 consists of a pin 30.
  • This pin 30 is predominantly conical with a cone angle 32 of 10 °.
  • the pin 30 forms a shoulder 34 in relation to the section 20.
  • the projectile hood 24 also has a cone angle 32 of 10 ° in the area 22 and therefore forms with the pin 30 a suitable for flat impact angles, ignition critical area 33.
  • the pin 30 has an annular end face 31 on the face at right angles to the main axis 3 of the floor 1.
  • a central bore 40 opens into both this end face 31 and in the Bore cone 16.
  • the main charge designated as explosive charge 60 fills the Cavity 13 and the bore 40 up to the end face 31.
  • the cargo section, that extends over sections 20, 22 is called a transfer charge Designated 80.
  • the bore 40 has an end face formed by a radius 36 small inlet funnel 38 and a trumpet-shaped outlet Outlet funnel 70 on. Auslaut funnel 70 begins at about half the length of the penetration core 18 and is substantially larger than the inlet funnel 38.
  • the end face 31 is at a distance 23 from an end wall 48 of the hood 24
  • Both the cup-shaped cavity 26 formed thereby up to and including the Annulus 46 are with a commercially available, but structured secondary explosive 50 completed.
  • the secondary explosive 50 has a variety of Small cavities evenly distributed over the entire secondary explosive Spherical shape 75, see Fig. 3. Other shapes for the cavities come 4 also cylinder 76 or according to FIG. 5 ellipsoids 77 for use.
  • the mentioned forms 75-77 can also be mixed in the secondary explosive 50 be.
  • annular cross sections of the annular space 46 are so large that - starting from local ignition - the detonation of the structured explosive 50 is not stalled, but spreads on all sides.
  • a shoulder 54 for support in accordance with the radial thickness of a splinter casing 56 the same provided.
  • the splinter casing 56 consists of conventional, prefabricated splinters, such as cubes or the like.
  • the splinter casing 56 extends close to the region of the guide ring 12.
  • the explosive charge 60 fills the cavity 13 and is also due to the fragmentation charge 56 at.
  • the explosive charge 60 is opposite on the bottom side by a disk 62 made of foam supported a tracer 64.
  • the tracer 64 is in turn by a Perforated disk 66 fixed in the projectile body 10.
  • the projectile 1 When the projectile 1 hits a target not shown become the projectile hood 24 and thus the secondary explosive 50 in the front area corresponding to the distance 23 against the end face 31 of the punch core 18 compressed.
  • the cavities of the secondary explosive 50 collapse and cause high local pressure peaks, which initiate the entire secondary explosive 50 lead.
  • the detonation of the secondary explosive 50 blows up the Storey hood 24 and ignites the transfer charge 80 at the inlet funnel 38 and consequently the main charge 60.
  • the detonation of the explosive charge 60 causes the splintering of the projectile body 10 while accelerating the individual Splinter of the fragmentation charge 56 and the splintering dismantling of the projectile body 10.
  • the breakdown core 18 is separated in the with 19 designated cross-section as a splitter with large mass.
  • the desired time-delayed ignition of the explosive charge 60 is due to the distances the shock waves in the charges 50, 80 guaranteed. With a side Target markup according to arrow 81 is also due to the redirection Inlet funnel 38 before a greater time delay than a frontal impact at arrow 82.
  • the explosive charge 60 can thereby further increase the fragmentation power be increased so that the explosive charge 60 extends to the perforated disk 66, which would then be designed as a full disc.
  • the tracer 64 is omitted then.
  • the surface 94 acting as an anvil is enlarged compared to the embodiment according to FIG. 1.
  • This surface 94 extends over an impact area 95 of 55 ° between an angle of impact 96 of 10 ° and an angle of impact 97 of 25 °.
  • This large area 94 improves the ignition sensitivity of the secondary explosive 50.
  • the ignition sensitivity of the projectile 1 at flat angles of incidence can also can be further increased in that the conical pin 30, 90 a suitable Has surface structure on the circumference.
  • This surface structure can be ribbed, be napped or designed in any other suitable manner.
  • the transfer charges 80, 93 can be omitted in favor of free bores 40, 92 or by other suitable explosive charges or stratified charges be replaced.
  • the main charge 60 is a commercially available explosive.
  • the structured secondary explosive 50 fills the entire cavity 26 between the bottom 48 and the paragraph 34 of the Punch core 18 out. Between the transfer charge 78 in the bore 79 of the penetration core 18 and the structured secondary explosive 50 a metal plate 67 held in the breakdown core 18.
  • the breakdown core 18 is designed as a short, single-stage cylinder 17. Part of the main explosive charge 60 forms the transfer charge 78.
  • the structured secondary explosive 50 about the shape of a truncated cone 51.
  • the decisive factor for the projectiles 71, 72 according to FIGS. 6, 7 is that the target serves a sufficiently large shock wave over the projectile hood 24 in the structured Secondary explosive 50 is introduced. This causes the cavities to collapse in the structured secondary explosive 50 and cause high local pressure peaks, which lead to the detonation of the structured secondary explosive 50.
  • the metal plate 67, 69 is disassembled with subsequent initiation the main charge 60 via the transfer charge 78 in the bore 79 or after Fig. 7 directly.
  • Fig. 8 is a floor hood 84 by a, in a floor 83 Extended diameter sleeve 85 extended. Between the sleeve 85 and one Projectile body 86 is the threaded connection 37. In the sleeve 85 is a body 87 mounted on a threaded connection 104. The body 87 has a central one Bore 88 and radial channels 89. A common explosive 101 lies in channels 89.
  • the structured secondary explosive 50 lies between the projectile hood 84 and a cone 100 of the body 87.
  • Metal boards 102, 103 close the bore 88 on the end face.
  • the projectile hood 84 forms a pyrotechnic igniter 105 with the body 87.
  • This igniter 105 is designed as a closed, screw-in and thus universally usable structural unit. It can be exchanged for conventional detonators, such as mechanical, electrical or electronic detonators, provided an interface 107 is used for explosives. The same applies to an igniter 106 according to FIG. 9.
  • this has a pipe and pre-pipe safety device 111 in the form of a ball safety device 112 with a valve seat 113 and front focus 114 of the ball safety device 112 in a body 110.
  • a cavity between the projectile fuse 105, 106 and the skin layer 60 designated 115.
  • a disk 116 can also be used be provided from a stable foam that can be dismantled on the explosive side.
  • the functions of the detonators 105, 106 correspond in principle to that of the projectile 1 described function.
  • the igniter 106 has a due to the Valve seat 113 forward ignition channels 89 improve pipe and down pipe safety on.
  • the main charge 60 therefore remains in the barrel and up to approx. 2.5 m secured the muzzle of the gun barrel.

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)
  • Toys (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Carbon And Carbon Compounds (AREA)
EP97121301A 1996-12-10 1997-12-04 Projectile ballistique explosif sans fusée Expired - Lifetime EP0848228B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19651170A DE19651170A1 (de) 1996-12-10 1996-12-10 Zünderloses, ballistisches Sprenggeschoß
DE19651170 1996-12-10

Publications (3)

Publication Number Publication Date
EP0848228A2 true EP0848228A2 (fr) 1998-06-17
EP0848228A3 EP0848228A3 (fr) 2000-04-26
EP0848228B1 EP0848228B1 (fr) 2003-09-24

Family

ID=7814157

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97121301A Expired - Lifetime EP0848228B1 (fr) 1996-12-10 1997-12-04 Projectile ballistique explosif sans fusée

Country Status (5)

Country Link
US (1) US5945629A (fr)
EP (1) EP0848228B1 (fr)
DE (2) DE19651170A1 (fr)
ES (1) ES2208808T3 (fr)
NO (1) NO316339B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1293750A1 (fr) * 2001-09-12 2003-03-19 Diehl Munitionssysteme GmbH & Co. KG Allumeur d'impact pyrotechnique
EP1170570A3 (fr) * 2000-06-27 2004-02-04 Diehl Munitionssysteme GmbH & Co. KG Sécurité pour une fusée à impact pour projectile, la fusée étant activée par voie pyrotechnique

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Publication number Priority date Publication date Assignee Title
USRE45899E1 (en) 2000-02-23 2016-02-23 Orbital Atk, Inc. Low temperature, extrudable, high density reactive materials
US20050199323A1 (en) 2004-03-15 2005-09-15 Nielson Daniel B. Reactive material enhanced munition compositions and projectiles containing same
US7977420B2 (en) 2000-02-23 2011-07-12 Alliant Techsystems Inc. Reactive material compositions, shot shells including reactive materials, and a method of producing same
US8122833B2 (en) 2005-10-04 2012-02-28 Alliant Techsystems Inc. Reactive material enhanced projectiles and related methods
FR2867469A1 (fr) * 2004-03-15 2005-09-16 Alliant Techsystems Inc Compositions reactives contenant un metal, et leur procede de production
GB2412156B8 (en) * 2004-03-15 2008-07-17 Alliant Techsystems Inc Reactive material enhanced projectiles and relatedmethods
US8881654B2 (en) 2011-10-14 2014-11-11 Lws Ammunition Llc Bullets with lateral damage stopping power
RU2508520C2 (ru) * 2012-04-28 2014-02-27 Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации Осколочно-фугасный снаряд
USD707785S1 (en) 2012-09-28 2014-06-24 Lws Ammunition Llc Pistol cartridge
US10222183B2 (en) 2015-03-02 2019-03-05 Timothy G. Smith Lead-free rimfire projectile
US10107605B2 (en) * 2016-01-15 2018-10-23 Continuous Metal Technology, Inc. Non-jacketed bullet and method of manufacturing a non-jacketed bullet
US10209045B2 (en) * 2016-01-15 2019-02-19 Continuous Metal Technology, Inc. Non-jacketed expandable bullet and method of manufacturing a non-jacketed expandable bullet
US10502537B1 (en) * 2017-10-20 2019-12-10 The United States Of America As Represented By The Secretary Of The Army Enhanced terminal performance medium caliber multipurpose traced self-destruct projectile
DE102020116228B3 (de) 2020-06-19 2021-12-23 Rheinmetall Waffe Munition Gmbh Geschoss und Munition
CN113091534B (zh) * 2021-04-09 2022-06-28 南京理工大学 一种高灵敏度碰击触发的超音速弹头引信

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DE1952494A1 (de) 1969-10-13 1971-04-22 Raufoss Ammunisjonsfabrikker Projektil mit Mehrfacheffekt
DE2423920C2 (de) 1973-05-18 1985-01-24 Aktieselskabet Raufoss Ammunisjonsfabrikker, Raufoss Geschoß mit verzögerter Initiierung der Sprengladung
DE2423921C2 (de) 1973-05-18 1985-02-14 Aktieselskabet Raufoss Ammunisjonsfabrikker, Raufoss Geschoß mit verzögerter Initiierung der Sprengladung

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Publication number Priority date Publication date Assignee Title
US2217645A (en) 1937-11-30 1940-10-08 Wilde Paul Rene De Projectile
DE1952494A1 (de) 1969-10-13 1971-04-22 Raufoss Ammunisjonsfabrikker Projektil mit Mehrfacheffekt
DE2423920C2 (de) 1973-05-18 1985-01-24 Aktieselskabet Raufoss Ammunisjonsfabrikker, Raufoss Geschoß mit verzögerter Initiierung der Sprengladung
DE2423921C2 (de) 1973-05-18 1985-02-14 Aktieselskabet Raufoss Ammunisjonsfabrikker, Raufoss Geschoß mit verzögerter Initiierung der Sprengladung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1170570A3 (fr) * 2000-06-27 2004-02-04 Diehl Munitionssysteme GmbH & Co. KG Sécurité pour une fusée à impact pour projectile, la fusée étant activée par voie pyrotechnique
EP1293750A1 (fr) * 2001-09-12 2003-03-19 Diehl Munitionssysteme GmbH & Co. KG Allumeur d'impact pyrotechnique

Also Published As

Publication number Publication date
US5945629A (en) 1999-08-31
DE59710780D1 (de) 2003-10-30
NO316339B1 (no) 2004-01-12
ES2208808T3 (es) 2004-06-16
NO975553D0 (no) 1997-12-02
NO975553L (no) 1998-06-11
EP0848228A3 (fr) 2000-04-26
DE19651170A1 (de) 1998-06-18
EP0848228B1 (fr) 2003-09-24

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