EP2828608A1 - Leitwerkstabilisiertes vollkaliber-übungsgeschoss - Google Patents
Leitwerkstabilisiertes vollkaliber-übungsgeschossInfo
- Publication number
- EP2828608A1 EP2828608A1 EP13709381.1A EP13709381A EP2828608A1 EP 2828608 A1 EP2828608 A1 EP 2828608A1 EP 13709381 A EP13709381 A EP 13709381A EP 2828608 A1 EP2828608 A1 EP 2828608A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- head part
- annular groove
- projectile
- sealing ring
- tubular
- 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.)
- Withdrawn
Links
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
-
- 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
-
- 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
- F42B14/02—Driving bands; Rotating bands
Definitions
- the invention relates to a castable from a barrel ironedtechnikstabilinstrument.es full-caliber training projectile with a solid headboard and a rear side of the headboard subsequent tubular tail body, the training projectile is circumferentially provided with a sealing system.
- Such a full-caliber training projectile is known from the document DE 10 20 0 034 33 A1. It is a large caliber, for example, from a tank cannon with the caliber 120 mm shootable training projectile.
- the projectile casing itself is designed as a tubular fin body in the aforementioned training projectile, so that a separate shank may be omitted with attached fin assembly.
- a high internal pressure of the propellant charge gases occurs within the tubular tail body, which strongly acts on the side wall of the tubular tail body, in particular in the region between the sealing system and the head part. This can have an effect on the firing resistance, in particular when using a lighter body of a light metal.
- the invention has for its object to provide a full-caliber practice bullet of the type mentioned, the firing resistance is ensured in a cost effective manner.
- the invention is based essentially on the idea to dispense with a sealing system in the tubular portion of the tail body, so that the firing charge gases formed at the launch of the training projectile also act on the outside of the side wall of the tubular tail body and thus acting on the outside of the tubular tail body pressure the counteracts the acting on the inside of the side wall of the training projectile internal pressure.
- a sealing system Koibenringdichtung in the region of the solid head part of the exercise projectile wherein a radially displaceable sealing ring engages in an annular groove in the rear region of the head portion or in a region of the head part cross-tail fin body ,
- the groove bottom of the annular groove is connected via a plurality of substantially radial bores with at least one axially extending recess of the head part, which opens at the front end of the head part, which defines the interior of the tail body maroßkopf proof.
- the sealing ring has a T-shaped cross-section and is secured by two Umgriffselfn the annular groove, so that the sealing ring after firing of the exercise bullet remains at this.
- a Umgriffsieiste the annular groove can be formed by the outer wall portion of the head part and the second Umgriffsieiste by the outer wall portion of the tail body.
- the sealing ring has a rectangular cross-section, provided that it is reproducibly destroyed during firing of the training projectile by the ignition gas pressure and thrown off the training projectile in front of the weapon barrel.
- the Umgriffselfn the annular groove can be omitted.
- a shim made of a metal may be preferably provided.
- the axial recess running in the head part is a turning gap.
- the axial recess extending in the head part may also be a bore.
- the tubular tail body spaced apart, knob-shaped guide elements, via which the tail body is supported on the gun barrel, wherein the knob-shaped guide elements form a guide ring arranged around the tail body, and wherein the propellant gases can flow between adjacent guide elements.
- the sealing ring is preferably made of plastic.
- Fig. 1 shows a longitudinal section through an inventive, consisting of a headboard and a r-shaped tail body full caliber training projectile, wherein on the outside of the head part, a sealing system is arranged, which comprises an annular groove and a sealing ring;
- Fig. 2 shows the enlarged view of a cross section through the training projectile shown in Fig. 1 along the there designated II-II section line and
- Fig. 3 is an enlarged view of the head portion of the exercise projectile shown in Fig. 1, wherein the head part is shown rotated about its longitudinal axis, that two opposite radial bores are visible, which connect the annular groove of the sealing system with a rotary gap.
- Fig. 1 is fired from a gun barrel, not shown leitwerkstabilieries full-caliber practice bullet. With the practice floor 1, a sleeve cover 2 is connected, which forms the compound of the training projectile 1 with a propellant charge, not shown, containing the propellant charge.
- the exercise projectile 1 comprises a solid head part 3 with a tracer body 4 arranged on the rear side and a tubular fin body 5 adjoining the head part 3 on the rear side.
- the tubular tail body 5 is designed such that the propellant gases formed during the launch of the training projectile 1 also act on the outside 6 of the side wall 7 of the tubular tail body 5.
- the tail body 5 is formed underkalibrig and is supported on spaced apart, knob-shaped guide elements 8 on the inner wall of the gun barrel, not shown.
- the nub-shaped guide elements 8 are arranged around the tail body 5 such that they form a guide ring 9 (FIG. 2), wherein the propellant charge gases can flow between adjacent guide elements 8.
- a sealing system 10 is arranged in the region of the massive head part 3 of the training projectile 1.
- an existing plastic sealing ring 1 1 engages with a T-shaped cross section in a circumferential groove-shaped recess (annular groove) 12 in the rear-side region of the head part 3, wherein for the purpose of ease of assembly, the annular groove 12 is bounded on the rear side by the front end face of the tail 5.
- the sealing system 10 is a coarse ring seal.
- the groove base 15 of the annular groove 12 of the head part 3 ⁇ see. Also Fig. 3) via a plurality (eg eight) radial bores 16 with an axially extending recess 17 of the head part 3, which extends from the radial bores 16 to the front end 18 of the head part 3, which the interior 19 of the tail body fifth limited (Fig. 1).
- the radial recess 17 is a rotary gap. This is obtained by virtue of the fact that the head part 3 is composed of an outer part 30 and an inner part 31 which can be screwed into the outer part 30. In this case, the inner part 31 to the region of the radial bores 16 has a smaller outer diameter than the inner diameter of the outer part 30, so that between the inner and outer part 30, 31, the recess 17 results
- the plastic film 20 may be omitted if the sealing ring 11 is pressed without or with lower band 21 directly on the head part 3 or shrunk.
- the sealing ring 11 for example, before the assembly of the head part and the tail body either pressed onto the head part 3 or sprayed and anschi manend on Turned off measure and / or drawn without twisting directly on the head part 3.
- the invention is not limited to the embodiment described above.
- the Unterlegband can be omitted.
- the sealing ring only has a rectangular cross-section, provided that it is reproducibly destroyed by the muzzle gas pressure during the launch of the training projectile and thrown off the training projectile in front of the weapon barrel.
- the rotary gap provided in the head part can be replaced by one or more axial bores, so that the two-part design of the head part is eliminated.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Toys (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210005742 DE102012005742A1 (de) | 2012-03-23 | 2012-03-23 | Leitwerkstabilisiertes Vollkaliber-Übungsgeschoss |
PCT/EP2013/054434 WO2013139594A1 (de) | 2012-03-23 | 2013-03-05 | Leitwerkstabilisiertes vollkaliber-übungsgeschoss |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2828608A1 true EP2828608A1 (de) | 2015-01-28 |
Family
ID=47884290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13709381.1A Withdrawn EP2828608A1 (de) | 2012-03-23 | 2013-03-05 | Leitwerkstabilisiertes vollkaliber-übungsgeschoss |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2828608A1 (de) |
DE (1) | DE102012005742A1 (de) |
WO (1) | WO2013139594A1 (de) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE626652A (de) * | 1961-06-28 | |||
GB1141534A (en) * | 1965-06-14 | 1969-01-29 | Director General Of Foersvaret | Projectile with a stabilizing element at its rear end |
DE102010003433B4 (de) | 2010-03-30 | 2011-11-17 | Institut für Sicherheitstechnik/Schiffssicherhheit e.V. | Verfahren und Vorrichtungen zur Rettung von Personen im Wasser |
DE102010034333B4 (de) | 2010-07-06 | 2014-12-11 | Rheinmetall Waffe Munition Gmbh | Vollkaliber-Übungsmunition |
-
2012
- 2012-03-23 DE DE201210005742 patent/DE102012005742A1/de not_active Withdrawn
-
2013
- 2013-03-05 EP EP13709381.1A patent/EP2828608A1/de not_active Withdrawn
- 2013-03-05 WO PCT/EP2013/054434 patent/WO2013139594A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2013139594A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102012005742A1 (de) | 2013-09-26 |
WO2013139594A1 (de) | 2013-09-26 |
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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 |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20140902 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAX | Request for extension of the european patent (deleted) | ||
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
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INTG | Intention to grant announced |
Effective date: 20151103 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20160315 |