EP0987513B1 - Projectile sous-calibré - Google Patents

Projectile sous-calibré Download PDF

Info

Publication number
EP0987513B1
EP0987513B1 EP99125786A EP99125786A EP0987513B1 EP 0987513 B1 EP0987513 B1 EP 0987513B1 EP 99125786 A EP99125786 A EP 99125786A EP 99125786 A EP99125786 A EP 99125786A EP 0987513 B1 EP0987513 B1 EP 0987513B1
Authority
EP
European Patent Office
Prior art keywords
section
sabot
nose section
tail
particles
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 - Lifetime
Application number
EP99125786A
Other languages
German (de)
English (en)
Other versions
EP0987513A2 (fr
EP0987513A3 (fr
Inventor
Jakob Burri
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.)
RWM Schweiz AG
Original Assignee
Oerlikon Contraves Pyrotec 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 Oerlikon Contraves Pyrotec AG filed Critical Oerlikon Contraves Pyrotec AG
Publication of EP0987513A2 publication Critical patent/EP0987513A2/fr
Publication of EP0987513A3 publication Critical patent/EP0987513A3/fr
Application granted granted Critical
Publication of EP0987513B1 publication Critical patent/EP0987513B1/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
    • F42B12/04—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type
    • F42B12/06—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with hard or heavy core; Kinetic energy penetrators
    • 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
    • F42B12/72—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material
    • F42B12/74—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
    • F42B12/745—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body the core being made of plastics; Compounds or blends of plastics and other materials, e.g. fillers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B8/00—Practice or training ammunition
    • F42B8/12—Projectiles or missiles
    • F42B8/14—Projectiles or missiles disintegrating in flight or upon impact

Definitions

  • the invention relates to a sub-caliber projectile according to the preamble of claim 1 .
  • the sabot In the case of sub-caliber bullets, as is known for example from EP-A-0 624 774 , the sabot generally consists of a sabot jacket made of plastic and a sabot body made of metal.
  • the projectile body (penetrator) is usually an arrow projectile, which is screwed to the sabot body and whose end provided with a stabilizing wing protrudes from the rear of the sabot.
  • the sabot jacket and the sabot body are divided into segments in such a way that predetermined breaking points are formed, with the result that the sabot jacket and the sabot body are thrown off immediately after the launch.
  • EP-A-0 645 600 discloses a detachable sabot for a sub-caliber floor, which is formed in one piece and thus combines the sabot jacket and the sabot body in one piece, with the omission of a separate sabot body compared to the prior art mentioned above Advantages are achieved.
  • a sub-caliber balancing bullet for exercise purposes which has a tip part and a rear part, which are directly connected to each other.
  • the rear part is made of a steel alloy.
  • the tip part consists of a material that contains particles, for example metallic or ceramic particles, and is produced by machining.
  • the rear part has a cylindrical projection projecting forward, which is provided with an external thread, and the tip part has a complementary internal thread; when assembled, the rear section and the tip section are screwed together. It is also mentioned below that the weight ratio of the rear part to the tip part is generally not less than 1.
  • practice projectiles in particular for pistols, which have a rear part made of steel and a tip part made of heavy granulate, for example lead, agglomerated with synthetic resin.
  • the rear part has a centering extension projecting into the tip part.
  • the rear section and the tip section are not directly attached to each other, but only in the common sleeve adjacent to each other. Under the influence of the centrifugal forces caused by the swirl, the tip part separates from the rear part immediately after leaving the launch tube and essentially serves to give the projectile the required total weight in the launch phase.
  • this ammunition is not a sub-caliber or sabot projectile, one tries, with the help of the tip part, to achieve an effect that is somewhat similar to the effect of a sabot.
  • the object of the invention is to propose, based on a prior art according to the mentioned DE-84 03 719.9-U1, a lower- caliber bullet that avoids the disadvantages of the prior art and is particularly suitable as practice ammunition.
  • the tip part of the new sub-caliber floor is made of a plastic filled with the particles. Unlike the rear part according to DE-84 03 719.9-U1 , the rear part does not have a thread that could be referred to as a holding groove, but rather a plurality of genuine, separate holding grooves. The direct connection between the rear section and the tip section is therefore not achieved by a screw connection. The tip part and the rear part together form a smashing penetrator.
  • the tip part consists of a bronze or Tungsten powder filled plastic.
  • the flight characteristics of the new sub-caliber bullets proved to be favorable to make the rear part heavier than the tip part, whereby preferably the weight ratio of rear part to tip part approximately in the range of is two to one.
  • the advantages achieved with the invention can be seen in the fact that one is simple and receives inexpensive to manufacture sub-caliber floor.
  • the smash penetrator is optimal designed so that on the one hand the feed in the weapon and the launch shock survives and does not break on the trajectory at low angles of attack; on the other hand when hitting the target due to the different materials and masses of Tip part and tail part and the type of connection of the two, easily in the tip part and Rear part is separated.
  • the brittle tip part can split into several pieces. After being smashed, the lighter part shows a maximum of approximately 66% to 50% of the weight of the heavier part.
  • Fig. 1 1 is a droppable one-part sabot and 2 is a sabot penetrator held in sabot 1 .
  • the sabot 1 known in a similar form from EP-A-0 645 600 consists of a high-temperature, fiber-reinforced, thermoplastic material which engages in holding grooves 3, 3.1 of the shattering penetrator 2 .
  • a plurality of longitudinal grooves 4 are arranged on the sabot , distributed uniformly on the circumference and running continuously from the front to approximately the end of a guide belt 5 .
  • the longitudinal grooves 4 can, for example, have a cross section similar to the longitudinal grooves of the aforementioned prior art.
  • the longitudinal grooves 4 form segments 6 which are connected to one another by predetermined breaking points 7 .
  • a circumferential groove 8 is provided for the attachment of a protective hood 9 , while at the rear end of the sabot 1 there is a further circumferential groove 10 for the attachment of a cartridge case.
  • the smashing penetrator 2 has a tip part 21 and a rear part 22 which are directly connected to one another, the tip part 21 preferably consisting of a plastic filled with bronze or tungsten powder and the rear part 22 made of steel. Tip part 21 and rear part 22 are designed such that the weight ratio of the rear part to the tip part is approximately two to one.
  • the rear part 22 has a cylindrical projection 23 provided with retaining grooves 24 , which could also be conical, by means of which it is anchored in the tip part 21 .
  • a bore 25 is provided which is filled with a tracer set 26 .

Claims (4)

  1. Projectile sous-calibré comportant
    un sabot largable (1) et
    un corps de projectile (2) conçu comme un pénétrateur frangible, maintenu dans le sabot (1) et comprenant un élément avant (21) et un élément arrière (22),
    l'élément avant et l'élément arrière
    - étant directement reliés l'un à l'autre et
    - ayant un certain rapport de poids l'un par rapport à l'autre, et
    l'élément arrière (22) étant fait en acier et possédant un épaulement (23) qui avance dans l'élément avant (21) et qui le relie à ce dernier, et
    l'élément avant (21) est fait d'un matériau contenant des particules liées les unes aux autres,
    caractérisé en ce que
    l'épaulement (23) de l'élément arrière (22) comporte plusieurs rainures d'arrêt (24) séparées les unes des autres, et
    que l'élément avant (21) est fait d'une matière plastique cassante remplie de particules.
  2. Projectile sous-calibré conforme à la revendication 1,
    caractérisé en ce que
    les particules remplissant la matière plastique de l'élément avant (21) sont des particules de bronze ou de tungstène.
  3. Projectile sous-calibré conforme à l'une des revendications ci-dessus
    caractérisé en ce que
    le rapport de poids de l'élément avant (21) par rapport à l'élément arrière (22) est environ de 1:2.
  4. Projectile sous-calibré conforme à l'une des revendications ci-dessus
    caractérisé en ce que
    aussi bien l'élément avant (21) que l'élément arrière (22) comportent d'autres rainures d'arrêt (3,3.1), à l'aide desquelles ils sont ancrés dans le sabot (1).
EP99125786A 1999-02-25 1999-12-23 Projectile sous-calibré Expired - Lifetime EP0987513B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH34499 1999-02-25
CH34499 1999-02-25

Publications (3)

Publication Number Publication Date
EP0987513A2 EP0987513A2 (fr) 2000-03-22
EP0987513A3 EP0987513A3 (fr) 2000-04-05
EP0987513B1 true EP0987513B1 (fr) 2001-07-04

Family

ID=4184881

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99125786A Expired - Lifetime EP0987513B1 (fr) 1999-02-25 1999-12-23 Projectile sous-calibré

Country Status (4)

Country Link
EP (1) EP0987513B1 (fr)
AT (1) ATE202843T1 (fr)
DE (1) DE59900145D1 (fr)
GR (1) GR3036717T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8985026B2 (en) 2011-11-22 2015-03-24 Alliant Techsystems Inc. Penetrator round assembly
SE538646C2 (sv) * 2015-04-01 2016-10-11 Nammo Vanäsverken Ab Spårljusprojektil och förfarande för applicering av en spårljusanordning i en spårljusprojektil

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE840898A (fr) * 1976-04-20 1976-10-20 Munition d'entrainement
DE2743732A1 (de) * 1977-09-29 1986-07-10 Rheinmetall GmbH, 4000 Düsseldorf Wuchtgeschoss
EP0090888A1 (fr) * 1982-03-05 1983-10-12 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Projectile d'entraînement à sabot séparable
DE3339078A1 (de) * 1982-11-18 1985-05-09 Rheinmetall GmbH, 4000 Düsseldorf Fluegelstabilisiertes unterkalibergeschoss grossen laenge/durchmesser-verhaeltnisses
DE8403719U1 (fr) * 1984-02-08 1987-04-16 Heide, Marion, 4030 Ratingen, De
DE3802002A1 (de) * 1988-01-25 1989-08-10 Kaltmann Hans Joachim Zuender- und sprengstoffloses geschoss fuer rohrwaffen

Also Published As

Publication number Publication date
EP0987513A2 (fr) 2000-03-22
DE59900145D1 (de) 2001-08-09
GR3036717T3 (en) 2001-12-31
EP0987513A3 (fr) 2000-04-05
ATE202843T1 (de) 2001-07-15

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