EP0221917A1 - Projectile sous-calibre. - Google Patents

Projectile sous-calibre.

Info

Publication number
EP0221917A1
EP0221917A1 EP86902401A EP86902401A EP0221917A1 EP 0221917 A1 EP0221917 A1 EP 0221917A1 EP 86902401 A EP86902401 A EP 86902401A EP 86902401 A EP86902401 A EP 86902401A EP 0221917 A1 EP0221917 A1 EP 0221917A1
Authority
EP
European Patent Office
Prior art keywords
penetrator
projectile
angle
cone
conical
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
EP86902401A
Other languages
German (de)
English (en)
Other versions
EP0221917B1 (fr
Inventor
Henning Schaake
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.)
Rheinmetall Industrie AG
Original Assignee
Rheinmetall 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 Rheinmetall GmbH filed Critical Rheinmetall GmbH
Priority to AT86902401T priority Critical patent/ATE43436T1/de
Publication of EP0221917A1 publication Critical patent/EP0221917A1/fr
Application granted granted Critical
Publication of EP0221917B1 publication Critical patent/EP0221917B1/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/02—Stabilising arrangements
    • F42B10/04—Stabilising arrangements using fixed fins
    • F42B10/06—Tail fins

Definitions

  • the invention relates to a sub-caliber projectile according to the preamble of patent claim 1.
  • Sub-caliber bullets of this type are known from GB-PS 1 256 740. They are expediently labored as cartridge ammunition and are preferably used in direct fire to combat armored targets. Sub-caliber bullets of the generic type are manufactured for a wide variety of caliber ranges, and have already been introduced for tank cannons and machine guns.
  • the projectiles which are also referred to as penetrators and are often made of tungsten heavy metal, are made as long as possible. This provides enough bullet material to penetrate the target.
  • the extension of the storeys is usually limited by the fact that the max. Cartridge length of the tube weapons put into service is limited and a tail unit must also be arranged at the rear of the sub-caliber floor for the purpose of stabilization, which also takes up part of the space available in the propellant charge case.
  • attempts have also already been made to manufacture the core of the tail unit itself from penetrator material.
  • the invention has for its object to improve the final ballistic performance of a sub-caliber projectile.
  • Fig. 2 shows, partly in section, a schematic representation of a cartridge ammunition 10 for an armored cannon.
  • the ammunition 10 comprises a propellant charge sleeve 11, in which a propellant lighter 12 and the propellant charge 13 are arranged.
  • the propellant cage 14 Connected to the propellant charge sleeve 11 is the propellant cage 14, which consists of several segments and coaxially surrounds the sub-caliber projectile 15 over part of its length.
  • a wing-comprising tail unit 16 is arranged at the rear of the sub-caliber floor. After the cartridge has been fired, the sabot 14 and the projectile 15 are accelerated in the weapon barrel.
  • the sabot 14 separates from the projectile 15, so that this stabilized by the tail unit 16 runs towards the target.
  • the projectile 15 penetrates the target material.
  • a large transverse force is exerted on the projectile 15, which preferably leads to the projectile 15 breaking in its area 15a, i.e. shortly before the tail unit 16 approaches.
  • the broken-off part of the projectile 15 is inclined with respect to the longitudinal axis of the projectile and does not take part in the target passage, as a result of which the final ballistic performance of the projectile 15 is considerably reduced.
  • the present invention remedies this problem by making it possible that a noticeably longer area of the rear part of the projectile 15 enclosed by the tail unit 16 does not break off and thus can participate in the target penetration, which in turn increases the final ballistic performance of the projectile 15.
  • FIG. 1 shows an enlarged detailed view of the rear area of the sub-caliber floor 15.
  • the penetrator 15b of the projectile 15 is only partially shown in the figure.
  • the rear area 15a of the penetrator 15b is conical and sits in a recess 16a of the tail unit 16, which also has a conical surface area.
  • the bevels are chosen so that the opening angle ⁇ of the recess 16a is significantly larger than the opening angle ⁇ of the penetrator cone.
  • the cone-shaped area 15a of the penetrator 15b is followed by a threaded cylindrical pin 15c, which is finally delimited by a truncated cone 15d with a lateral surface extending at 45 °.
  • the pin 15c By means of the pin 15c, the penetrator 15b is screwed into an internally threaded recess 16b in the tail assembly 16, which adjoins the conical recess 16a.
  • the recess 16b opens into a blind hole 16c with a conical lateral surface.
  • the inclination of the lateral surface is 45 °, so that when the penetrator 15b is screwed in, the penetrator 15b and the tail unit 16 can be centered over its cone 15d.
  • the type of connection described above ensures that transverse loads occurring during the penetration process of the projectile 15 cannot have an effect in the cone-shaped region 15a of the penetrator 15b. Therefore, the highest of the externally threaded pin 15c of the penetrator 15b is sheared off, so that a considerable proportion of the penetrator 15b coaxially surrounded by the tail unit 16b can participate in the target penetration.
  • the cone-shaped region 15a of the penetrator 15b had a length of approximately 70 mm; the cone-shaped recess 16a in the tail unit 16 has a length of approximately 40 mm.
  • the angle ⁇ was 5 °, while the angle ⁇ was 7 °.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

Pour améliorer la performance balistique finale d'un projectile sous-calibré (15) composé d'un pénétrateur (15b) et d'un empennage (16), une partie (15a) du projectile (15) a une forme conique et repose dans un évidement (16a) lui aussi conique de l'empennage (16). Les forces transversales s'exerçant sur l'empennage (16) lors de la pénétration dans le matériau de la cible ne sont ainsi pas transmises au pénétrateur (15b), au moins dans la partie conique (15a) du projectile, ce qui empêche le pénétrateur (15b) de se casser à cet endroit.
EP86902401A 1985-05-11 1986-04-10 Projectile sous-calibre Expired EP0221917B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86902401T ATE43436T1 (de) 1985-05-11 1986-04-10 Unterkalibriges geschoss.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853517125 DE3517125A1 (de) 1985-05-11 1985-05-11 Unterkalibriges geschoss
DE3517125 1985-05-11

Publications (2)

Publication Number Publication Date
EP0221917A1 true EP0221917A1 (fr) 1987-05-20
EP0221917B1 EP0221917B1 (fr) 1989-05-24

Family

ID=6270563

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86902401A Expired EP0221917B1 (fr) 1985-05-11 1986-04-10 Projectile sous-calibre

Country Status (5)

Country Link
US (1) US4730561A (fr)
EP (1) EP0221917B1 (fr)
JP (1) JPS62500539A (fr)
DE (2) DE3517125A1 (fr)
WO (1) WO1986006828A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8706250D0 (en) * 1987-03-17 1987-04-23 Secr Defence Tail fin unit for projectile
DE3843796A1 (de) * 1988-12-24 1990-07-05 Rheinmetall Gmbh Geschoss mit fluegelleitwerk
DE3927918A1 (de) * 1989-08-24 1991-02-28 Rheinmetall Gmbh Fluegelstabilisiertes geschoss
DE4020691A1 (de) * 1990-06-29 1992-01-02 Dynamit Nobel Ag Fluegelstabilisiertes geschoss
US5014931A (en) * 1990-08-29 1991-05-14 The United States Of America As Represented By The Secretary Of The Army Kinetic energy projectile with impact-ejected fins
DE4028409C2 (de) * 1990-09-07 1997-05-15 Rheinmetall Ind Ag Unterkalibriges Geschoß
US7795567B2 (en) * 2005-04-05 2010-09-14 Raytheon Company Guided kinetic penetrator
US9188417B2 (en) 2013-08-01 2015-11-17 Raytheon Company Separable sabot for launching payload
IL229290A0 (en) * 2013-11-07 2014-05-28 Felix Rachlin accelerator
US9677863B1 (en) * 2016-01-26 2017-06-13 The United States Of America As Represented By The Secretary Of The Army Long rod penetrator concept for small caliber munitions
DE102020104217A1 (de) 2020-02-18 2021-08-19 Rheinmetall Waffe Munition Gmbh Penetrator und Verwendung eines Penetrators
FR3115358B1 (fr) * 2020-10-19 2023-11-24 Nexter Munitions Projectile perforant et explosif dote d'un empennage de stabilisation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1112044A (en) * 1914-09-29 J A Watson Projectile.
US1520131A (en) * 1921-08-30 1924-12-23 Firm Of Optische Anstalt C P G Oblong drop projectile
US2983225A (en) * 1944-06-30 1961-05-09 Nelson A Walker Projectile
FR87354E (fr) * 1963-08-03 1966-07-29 Projectile empenné au calibre
US3378216A (en) * 1966-04-29 1968-04-16 Susquehama Corp Integral fin canister-nozzle exit cone
US4140061A (en) * 1977-06-06 1979-02-20 The United States Of America As Represented By The Secretary Of The Army Short-range discarding-sabot training practice round and self-destruct subprojectile therefor
DE2844870C2 (de) * 1978-10-14 1984-10-18 Rheinmetall GmbH, 4000 Düsseldorf Unterkalibriges Übungsgeschoß
DE3017380A1 (de) * 1980-05-07 1981-11-12 Rheinmetall GmbH, 4000 Düsseldorf Fluegelstabilisiertes geschoss
DE3048206C2 (de) * 1980-12-20 1985-06-13 Diehl GmbH & Co, 8500 Nürnberg Übungsgeschoß
US4565340A (en) * 1984-08-15 1986-01-21 Ford Aerospace & Communications Corporation Guided projectile flight control fin system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8606828A1 *

Also Published As

Publication number Publication date
US4730561A (en) 1988-03-15
DE3663590D1 (en) 1989-06-29
JPS62500539A (ja) 1987-03-05
WO1986006828A1 (fr) 1986-11-20
EP0221917B1 (fr) 1989-05-24
DE3517125A1 (de) 1986-11-13

Similar Documents

Publication Publication Date Title
EP0291845B1 (fr) Projectile à noyau et à enveloppe
CH625613A5 (fr)
DE2703638C2 (fr)
EP0221917B1 (fr) Projectile sous-calibre
DE2428624A1 (de) Granatenabfeuervorrichtung
EP4038339A1 (fr) Pénétrateur, utilisation d'un pénétrateur et projectile
EP2176620B1 (fr) Projectile avec logement de guidage et plaque de propulsion avec ouverture à accélération optimisée
DE3932952A1 (de) Wuchtgeschoss
EP3601938A1 (fr) Projectile, en particulier dans le domaine des moyens calibres
EP0152492A1 (fr) Munition pour canon
DE3617415A1 (de) Unterkalibriges treibspiegelgeschoss
WO2018042000A1 (fr) Projectile muni d'un pénétrateur
DE4445990C2 (de) Patrone mit einer Patronenhülse und einem Pfeilgeschoß
EP2326911B1 (fr) Boulon de fixation de projectile destiné à un projectile comprenant un obus-flèche sous-calibré pourvu d'un stabilisateur conique et projectile
EP0149703A2 (fr) Projectile anti-char
DE19650739C2 (de) Unterkalibriges Geschoß
EP0422477A1 (fr) Projectile d'exercice pour le tir au cible sans explosif avec armes de gros calibre
DE19704489C2 (de) Unterkalibriges Treibspiegelgeschoß
DE102006056662A1 (de) Geschosskörper mit integriertem Treibspiegel und Lauf einer Feuerwaffe zum Abfeuern eines solchen Geschosskörpers
CH691785A5 (de) Verbund-Pfeilgeschoss, insbesondere für die Panzerabwehr.
CH678889A5 (en) Case-less bullet - with sleeve contg. propellant charge
DE19650740C2 (de) Unterkalibriges Geschoß
DE4139598A1 (de) Vollkalibriges drallstabilisiertes geschoss mit ueberlangem penetrator
EP0319877A2 (fr) Projectile d'exercice sous-calibré, stabilisé par rotation
DE2856859A1 (de) Uebungsflugkoerper mit drallstabilisierung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19861008

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

17Q First examination report despatched

Effective date: 19880519

ITF It: translation for a ep patent filed

Owner name: CALVANI SALVI E VERONELLI S.R.L.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Effective date: 19890524

REF Corresponds to:

Ref document number: 43436

Country of ref document: AT

Date of ref document: 19890615

Kind code of ref document: T

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
REF Corresponds to:

Ref document number: 3663590

Country of ref document: DE

Date of ref document: 19890629

ET Fr: translation filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19900312

Year of fee payment: 5

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19900330

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19900405

Year of fee payment: 5

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Effective date: 19900410

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19900411

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19900430

Ref country code: LI

Effective date: 19900430

Ref country code: CH

Effective date: 19900430

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19901101

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19910410

GBPC Gb: european patent ceased through non-payment of renewal fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19911230

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19920201

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

EUG Se: european patent has lapsed

Ref document number: 86902401.8

Effective date: 19910116

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050410