EP0238817B1 - Projectile du type à sabot dont la partie arrière et le manchon qui composent ledit sabot comportent une fixation à ligne de rupture - Google Patents

Projectile du type à sabot dont la partie arrière et le manchon qui composent ledit sabot comportent une fixation à ligne de rupture Download PDF

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Publication number
EP0238817B1
EP0238817B1 EP87101709A EP87101709A EP0238817B1 EP 0238817 B1 EP0238817 B1 EP 0238817B1 EP 87101709 A EP87101709 A EP 87101709A EP 87101709 A EP87101709 A EP 87101709A EP 0238817 B1 EP0238817 B1 EP 0238817B1
Authority
EP
European Patent Office
Prior art keywords
sabot
projectile
tail
weakness
projectile core
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.)
Expired
Application number
EP87101709A
Other languages
German (de)
English (en)
Other versions
EP0238817A1 (fr
Inventor
Hanspeter Sigg
Harald Katzmann
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 Air Defence AG
Original Assignee
Werkzeugmaschinenfabrik Oerlikon Buhrle AG
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 Werkzeugmaschinenfabrik Oerlikon Buhrle AG filed Critical Werkzeugmaschinenfabrik Oerlikon Buhrle AG
Publication of EP0238817A1 publication Critical patent/EP0238817A1/fr
Application granted granted Critical
Publication of EP0238817B1 publication Critical patent/EP0238817B1/fr
Expired 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
    • F42B14/00—Projectiles or missiles characterised by arrangements for guiding or sealing them inside barrels, or for lubricating or cleaning barrels
    • F42B14/06—Sub-calibre projectiles having sabots; Sabots therefor
    • F42B14/064—Sabots enclosing the rear end of a kinetic energy projectile, i.e. having a closed disk shaped obturator base and petals extending forward from said base

Definitions

  • the invention relates to a sabot projectile with a sabot rear, to which a fastening sleeve is attached via a predetermined breaking point, which is divided into segments by slots, with a projectile core which has a cylindrical middle part, a conical tip and a conical rear part, and with its rear part protrudes into the fastening sleeve of the sabot rear, and with a sabot jacket, which is anchored to the sabot rear, surrounds the fastening sleeve and is divided into segments by slots.
  • the projectile body has a circumferential groove on its rear part protruding into the fastening sleeve and on the inside of the fastening sleeve there are arranged cams which project radially inwards and protrude into the circumferential groove the mounting sleeve are in one piece.
  • a disadvantage of this known sabot projectile is the circumferential groove in the projectile body or projectile core, which undesirably increases the air resistance.
  • the sabot In another known sabot projectile of this type (see GB-A-576 217), the sabot consists of two parts which are connected to one another via a predetermined breaking point, these two parts being displaceable relative to one another when the projectile is fired under the action of the inertial forces.
  • the projectile body is supported on the rear part of the sabot and the front part of the sabot lies against the tip of the projectile body and consists of segments which disintegrate when the sabot emerges from the muzzle and release the projectile core.
  • the disadvantage of this other known sabot projectile is that the sabot rear must either be in two parts so that the Gechosskem can be fastened in the sabot rear, or that the sabot jacket must be used to fasten the projectile core to the sabot rear.
  • the object that is to be achieved by the invention is to create a sabot projectile in which the projectile core is fastened in the sabot rear regardless of the sabot jacket without circumferential grooves in the projectile core for fastening the projectile core in the sabot rear and without the sabot jacket Attachment of the projectile core in the sabot rear contributes somewhat.
  • this object is achieved in that the fastening sleeve of the sabot tail extends to the conical tip of the projectile core and bears against this conical tip in order to prevent the projectile core from falling out of the sabot tail.
  • This type of attachment of the projectile core to the sabot rear has the advantage that the sabot rear holds the projectile core directly without the aid of the sabot casing, which means that relatively light material can be used for this casing.
  • This sabot projectile 10 has a projectile core 11, which is preferably made of heavy metal.
  • This projectile core 11 has a conical rear part 12 and a conical tip 13.
  • the conical rear part 12 and the conical tip 13 consist of one piece with a cylindrical middle part 14.
  • the projectile core 11 is in an annular sabot rear 15, which is preferably made of light metal, in particular aluminum.
  • the sabot rear 15 has various circumferential grooves on the outside.
  • a first circumferential groove 16 serves essentially for anchoring a cartridge case, not shown, which is filled with a propellant charge.
  • a second circumferential groove 17 serves essentially to anchor a sabot jacket 18, which is preferably made of plastic.
  • the sleeve-shaped sabot jacket 18 consists of several segments which are connected to one another by thin webs 19. When the sabot projectile 10 emerges, the surface mirror jacket 18 disintegrates under the effect of the swirl, the individual segments along the webs 19 separating from one another.
  • the sabot jacket 18 has at its rear end a guide band 20 which projects into the above-mentioned circumferential groove 17 of the sabot rear 15 and serves to seal off the propellant gases and to anchor the sabot jacket 18 to the sabot rear 15.
  • a protective hood 21 is attached, which is preferably made of plastic and is anchored with a bead 22 in a circumferential groove 23 of the sabot jacket 18.
  • the sabot tail 15 has a fastening sleeve 24 which bears against the cylindrical middle part 14 and partly against the conical tip 13 of the projectile core 11.
  • the fastening sleeve 24 is divided by a number of slots 25 into segments which are fastened to the sabot rear part 15 via a predetermined breaking point 26.
  • This predetermined breaking point 26 is formed by an inner circumferential groove 27 which is so deep that the individual segments of the fastening sleeve 24 break off when the sabot projectile 10 is fired under the action of the swirl.
  • the fastening sleeve 24 has a ring 28 which is anchored in the sabot jacket 18. This ring 28 is also divided into individual segments by the slots 25 mentioned.
  • the individual segments of the fastening sleeve 24 can be bent radially to the extent that the projectile core 11 can be inserted into the fastening sleeve 24 from the front.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Air Bags (AREA)

Claims (1)

  1. Projectile sous calibré (10) comportant un fond de sabot (15) auquel est reliée une douille de fixation (24) par l'intermédiaire d'une zone de rupture de consigne (26) subdivisée en segments par des fentes (25) et avec une partie centrale de projectile (11) ayant une partie médiane cylindrique (14), une pointe conique (13) et un fond conique (12) et dont la partie arrière pénètre dans la douille de fixation (24) du fond (15) du sabot ainsi que d'une enveloppe de sabot (18) accrochée au fond de sabot (15), entourant la douille de fixation (24) et étant subdivisée en segments par des fentes (25), projectile caractérisé en ce que la douille de fixation (24) du fond de sabot (15) s'étend jusqu'au niveau de la pointe conique (13) de la partie centrale (11) du projectile et s'applique contre cette pointe conique (13) pour éviter que la partie centrale (11) du projectile ne puisse tomber du fond de sabot (15).
EP87101709A 1986-03-21 1987-02-07 Projectile du type à sabot dont la partie arrière et le manchon qui composent ledit sabot comportent une fixation à ligne de rupture Expired EP0238817B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH115286 1986-03-21
CH1152/86 1986-03-21

Publications (2)

Publication Number Publication Date
EP0238817A1 EP0238817A1 (fr) 1987-09-30
EP0238817B1 true EP0238817B1 (fr) 1989-12-20

Family

ID=4203694

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87101709A Expired EP0238817B1 (fr) 1986-03-21 1987-02-07 Projectile du type à sabot dont la partie arrière et le manchon qui composent ledit sabot comportent une fixation à ligne de rupture

Country Status (8)

Country Link
US (1) US4750425A (fr)
EP (1) EP0238817B1 (fr)
JP (1) JPS62233698A (fr)
CA (1) CA1290978C (fr)
DE (1) DE3761234D1 (fr)
IL (1) IL81896A0 (fr)
NO (1) NO870925L (fr)
ZA (1) ZA871983B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2642161B1 (fr) * 1989-01-26 1991-04-26 France Etat Armement Projectile sous-calibre et procede de montage et fixation d'un corps d'obus dans un projectile sous-calibre
DE4007103A1 (de) * 1990-03-07 1991-09-12 Rheinmetall Gmbh Treibkaefig
US5323708A (en) * 1993-03-29 1994-06-28 Aerojet-General Corporation Clip-lock sabot cap
US6564720B1 (en) * 2000-01-14 2003-05-20 Olin Corporation Sabot for a bullet
US10584947B1 (en) * 2017-01-11 2020-03-10 The United States Of America As Represented By The Secretary Of The Army Drag separating reduced dispersion pusher
US11402188B1 (en) 2020-08-28 2022-08-02 The United States Of America As Represented By The Secretary Of The Army Pyrotechnic delayed extended range shotgun munition
US11674782B1 (en) 2020-08-28 2023-06-13 The United States Of America As Represented By The Secretary Of The Army Piston actuated extended range projectile with segmented slip band

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3927618A (en) * 1971-03-29 1975-12-23 Oerlikon Buehrle Ag Sabot projectile
US3808973A (en) * 1971-05-31 1974-05-07 Giulo Fiocchi Spa Self-propelling projectile for firearms
DE2336904C2 (de) * 1973-07-20 1983-12-22 Rheinmetall GmbH, 4000 Düsseldorf Treibkäfiggeschoß
DE2738121A1 (de) * 1977-08-24 1979-03-01 Rheinmetall Gmbh Gewehrpatrone mit einem das unterkalibergeschoss umschliependen kunststoffmantel
DE2824703C2 (de) * 1978-06-06 1982-11-25 Diehl GmbH & Co, 8500 Nürnberg Geschoß mit einem Durchschlagkörper
CH632086A5 (de) * 1978-08-08 1982-09-15 Oerlikon Buehrle Ag Verfahren zur herstellung eines treibspiegelgeschosses und nach dem verfahren hergestelltes treibspiegelgeschoss.
US4296687A (en) * 1979-07-16 1981-10-27 The United States Of America As Represented By The Secretary Of The Army Segmented sabot projectile
DE3131540C2 (de) * 1981-08-08 1986-02-13 Mauser-Werke Oberndorf Gmbh, 7238 Oberndorf Treibspiegelgeschoß
SE444984B (sv) * 1982-05-28 1986-05-20 Bofors Ab Drivorgan for underkalibrig rotationsstabiliserad projektil
EP0104587A1 (fr) * 1982-09-23 1984-04-04 Honeywell Inc. Projectile sous-calibre
US4648324A (en) * 1985-10-01 1987-03-10 Olin Corporation Projectile with enhanced target penetrating power

Also Published As

Publication number Publication date
IL81896A0 (en) 1987-10-20
ZA871983B (en) 1987-11-25
JPS62233698A (ja) 1987-10-14
DE3761234D1 (de) 1990-01-25
EP0238817A1 (fr) 1987-09-30
NO870925D0 (no) 1987-03-05
CA1290978C (fr) 1991-10-22
NO870925L (no) 1987-09-22
US4750425A (en) 1988-06-14

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