EP0346779A1 - Projectile d'exercice - Google Patents

Projectile d'exercice Download PDF

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Publication number
EP0346779A1
EP0346779A1 EP89110510A EP89110510A EP0346779A1 EP 0346779 A1 EP0346779 A1 EP 0346779A1 EP 89110510 A EP89110510 A EP 89110510A EP 89110510 A EP89110510 A EP 89110510A EP 0346779 A1 EP0346779 A1 EP 0346779A1
Authority
EP
European Patent Office
Prior art keywords
hood
projectile
projectile body
support part
webs
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
EP89110510A
Other languages
German (de)
English (en)
Other versions
EP0346779B1 (fr
Inventor
Gmbh Co Diehl
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 Verwaltungs Stiftung
Original Assignee
Diehl GmbH and Co
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 GmbH and Co filed Critical Diehl GmbH and Co
Publication of EP0346779A1 publication Critical patent/EP0346779A1/fr
Application granted granted Critical
Publication of EP0346779B1 publication Critical patent/EP0346779B1/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
    • 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 training projectile with a thin-walled, ogive-shaped hood which is placed on a projectile body.
  • the object of the invention is to propose a training projectile, the hood of which on the one hand withstands the loads occurring during the feeding and the firing and on the other hand the bounce range is reduced.
  • the above object is achieved in a practice projectile of the type mentioned in that a plastic support part is arranged in the space between the projectile body and the hood, that the support part is inserted with a pin into an axial bore of the projectile body and that the support part has webs arranged in a star shape, the outer edges of which rest against the hood.
  • the support member stabilizes the thin-walled hood axially and radially so that it can withstand the forces that occur during feeding and firing. On the other hand, even at flat angles of incidence and low impingement speeds, the support part deforms so that the hood breaks off. This increases the flow resistance of the parts so that the bounce range is reduced.
  • Another advantage of this practice floor is that a particularly thin-walled, inexpensive hood can be used, since its stability is increased by the support member.
  • a practice projectile has a projectile body (1) made of steel, which is provided with a guide band (2).
  • the projectile body (1) is provided with steps (3) on the front and, viewed in isolation, has a high air resistance.
  • the projectile body (1) is provided with an axial bore (4).
  • the projectile body (1) On the projectile body (1) is a comparative screwed thin-walled ogiven-shaped hood (5), which consists for example of aluminum.
  • the projectile body (1) forms together with the hood (5) a projectile whose ballistic values correspond to those of sharp projectiles.
  • a support part (7) is arranged in this.
  • the support part (7) is made of plastic, such as polyethylene, polyurethane or polyamide.
  • the support part (7) has a pin (8) which is inserted into the bore (4).
  • the support part (7) is provided with four webs (9) which are arranged in a star shape (see FIG. 3). Only three webs (9) or more than four webs (9) can also be provided.
  • the webs (9) have outer edges (10), on the course of which the inner shape of the hood (5) is adapted.
  • the webs (9) rest with rear edges (11) in the vicinity of the pin (8) on the front of the projectile body (1).
  • the support part (7) is held radially by the pin (8) on the projectile body (1). It is supported axially on the rear edges (11) of its webs (9). The outer edges (10) support the hood (5) both radially and axially.
  • the supporting part (7) takes on axial and radial forces acting on the hood (5).
  • the support part (7) also dampens vibrations of the hood (5).
  • the webs (9) are deformed due to the elasticity of the plastic and its shape, so that the hood (5) breaks off from the projectile body (1).
  • the then effective air resistance of the projectile body (1) is so high that the projectile body (1) flies only a comparatively small distance.
  • surface parts can be arranged in the area of its steps or on the support part (7), which open or open when the hood (5) is broken off.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
EP89110510A 1988-06-14 1989-06-10 Projectile d'exercice Expired - Lifetime EP0346779B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8807701U 1988-06-14
DE8807701U DE8807701U1 (de) 1988-06-14 1988-06-14 Übungsgeschoß

Publications (2)

Publication Number Publication Date
EP0346779A1 true EP0346779A1 (fr) 1989-12-20
EP0346779B1 EP0346779B1 (fr) 1992-10-28

Family

ID=6825003

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89110510A Expired - Lifetime EP0346779B1 (fr) 1988-06-14 1989-06-10 Projectile d'exercice

Country Status (2)

Country Link
EP (1) EP0346779B1 (fr)
DE (2) DE8807701U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5116224A (en) * 1990-06-25 1992-05-26 Kelsey Jr Charles C Devel small arms bullet

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE662881A (fr) * 1964-04-23 1965-08-17
FR2114879A5 (fr) * 1970-12-08 1972-06-30 Oerlikon Buehrle Ag
DE2639884A1 (de) * 1976-09-04 1978-03-09 Dynamit Nobel Ag Geschoss fuer uebungsmunition
FR2364427A1 (fr) * 1976-09-11 1978-04-07 Rheinmetall Gmbh Projectile d'exercice
DE3044098A1 (de) * 1979-11-29 1981-09-17 Deutsche Semperit GmbH, 8000 München Uebungsgeschoss zum abschiessen aus geschuetzen
EP0036232A1 (fr) * 1980-03-18 1981-09-23 FABRIQUE NATIONALE HERSTAL en abrégé FN Société Anonyme Munition d'entraînement
US4465464A (en) * 1983-02-03 1984-08-14 Schoenberg George R Ballistic missile structure simulator
US4589342A (en) * 1985-02-28 1986-05-20 The United States Of America As Represented By The Secretary Of The Navy Rocket-powered training missile with impact motor splitting device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE662881A (fr) * 1964-04-23 1965-08-17
FR2114879A5 (fr) * 1970-12-08 1972-06-30 Oerlikon Buehrle Ag
DE2639884A1 (de) * 1976-09-04 1978-03-09 Dynamit Nobel Ag Geschoss fuer uebungsmunition
FR2364427A1 (fr) * 1976-09-11 1978-04-07 Rheinmetall Gmbh Projectile d'exercice
DE3044098A1 (de) * 1979-11-29 1981-09-17 Deutsche Semperit GmbH, 8000 München Uebungsgeschoss zum abschiessen aus geschuetzen
EP0036232A1 (fr) * 1980-03-18 1981-09-23 FABRIQUE NATIONALE HERSTAL en abrégé FN Société Anonyme Munition d'entraînement
US4465464A (en) * 1983-02-03 1984-08-14 Schoenberg George R Ballistic missile structure simulator
US4589342A (en) * 1985-02-28 1986-05-20 The United States Of America As Represented By The Secretary Of The Navy Rocket-powered training missile with impact motor splitting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5116224A (en) * 1990-06-25 1992-05-26 Kelsey Jr Charles C Devel small arms bullet

Also Published As

Publication number Publication date
DE8807701U1 (de) 1989-10-12
DE58902540D1 (de) 1992-12-03
EP0346779B1 (fr) 1992-10-28

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