EP0346779A1 - Projectile d'exercice - Google Patents
Projectile d'exercice Download PDFInfo
- 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
Links
- 239000004033 plastic Substances 0.000 claims abstract description 5
- 229920003023 plastic Polymers 0.000 claims abstract description 5
- 238000010304 firing Methods 0.000 abstract description 3
- 239000004576 sand Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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)
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)
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)
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 |
-
1988
- 1988-06-14 DE DE8807701U patent/DE8807701U1/de not_active Expired
-
1989
- 1989-06-10 EP EP89110510A patent/EP0346779B1/fr not_active Expired - Lifetime
- 1989-06-10 DE DE8989110510T patent/DE58902540D1/de not_active Expired - Fee Related
Patent Citations (8)
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)
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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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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REF | Corresponds to: |
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GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 19921214 |
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ITF | It: translation for a ep patent filed |
Owner name: STUDIO JAUMANN |
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