EP2191222B1 - Canon pour tirer des projectiles gyroscopés - Google Patents

Canon pour tirer des projectiles gyroscopés Download PDF

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Publication number
EP2191222B1
EP2191222B1 EP08801812.2A EP08801812A EP2191222B1 EP 2191222 B1 EP2191222 B1 EP 2191222B1 EP 08801812 A EP08801812 A EP 08801812A EP 2191222 B1 EP2191222 B1 EP 2191222B1
Authority
EP
European Patent Office
Prior art keywords
sealing ring
barrel
guiding band
projectile
gun barrel
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.)
Not-in-force
Application number
EP08801812.2A
Other languages
German (de)
English (en)
Other versions
EP2191222A1 (fr
Inventor
Heiner Schmees
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 Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition GmbH
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 Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP2191222A1 publication Critical patent/EP2191222A1/fr
Application granted granted Critical
Publication of EP2191222B1 publication Critical patent/EP2191222B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/12—Cartridge chambers; Chamber liners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/16—Barrels or gun tubes characterised by the shape of the bore
    • 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 gun barrel for firing spin-stabilized projectiles with a guide band and a rear side arranged behind the guide band sealing ring, with the features specified in the preamble of claim 1.
  • Such gun tubes have long been known and usually include a cargo space, a drawn pipe part and arranged between the cargo space and the drawn pipe part transition cone.
  • a projectile For loading a projectile it is pushed so far through the cargo space in the rear-side region of the drawn pipe part until the guide band of the projectile is located on the field-pull profile of the drawn pipe part.
  • the rear side arranged by the guide band sealing ring which usually has a slightly larger outer diameter than the guide band is still in the transition cone of the gun barrel and should prevent firing at the beginning of the gas pressure buildup in the cargo space that the hot propellant gases between the guide band and the directly flow past the transition cone subsequent field-tensile profile of the drawn pipe part.
  • the GB 232 989 A discloses a way to wear ammunition from a drawn barrel either very far or very short.
  • the chamber of the gun barrel has at least two pressure cone, wherein at least between the first and the second cone a smooth section is provided.
  • the rear pressure ball is intended for ammunition that is closed at close range, the front pressure cone for the firing of ammunition for the other distances.
  • the range change itself is achieved by the length of the projectile or cartridge case is chosen differently.
  • the ammunition is located on the rear or on the front shoulder of the cartridge chamber.
  • the length of the cartridge chamber is dependent on the length of the cartridge case of the ammunition.
  • the sealing ring In practice, however, it has been shown that, depending on the depth of the projectile, the sealing ring often does not rest exactly on the side walls of the transition cone and a complete initial sealing is not ensured by the sealing ring when firing. If an initial seal is not provided, the hot propellant gases flow between the guide band and the field-tensile profile in the region of the transition between the cargo space and the high-speed caliber flow part and cause severe erosion damage to the cargo chamber side end of the drawn pipe member. These erosion damages then lead to the separation of the weapon barrel.
  • the invention has for its object to provide a gun barrel, in which an initial seal between the projectile and the field-tensile profile of the drawn pipe part is ensured against hot propellant gases, so that erosion damage on the load-space side Minimized end of the drawn pipe part.
  • the invention is based essentially on the idea to arrange between the adjoining the cargo space transition cone and the drawn pipe part designed as a smooth tube section whose inner diameter is greater than or equal to the outer diameter of the guide band, but slightly smaller than the outer diameter of the sealing ring of the projectiles to be fired is, wherein the length of the smooth tube section is at least the length of the guide band and the sealing ring (together) of the respective projectile.
  • the sealing ring arranged behind the guide band ensures an excellent initial seal when firing in the smooth pipe section until the guide strip is pressed completely into the field-pull profile of the drawn pipe part.
  • a gun barrel for firing a spin-stabilized projectile 2 The gun barrel 1 comprises a cargo space 3, a drawn pipe part 4 with a known field-train profile and a between the Cargo space 3 and the drawn pipe part 4 arranged transition cone. 5
  • a section 6 designed as a smooth tube is arranged between the transition cone 5 directly adjoining the charge space 3 and the drawn tube part 4.
  • the designated D0 inner diameter of this smooth tube section 6 is selected such that it is slightly larger than the outer diameter D1 of the guide band 7 of each projectile to be fired and approximately equal to the outer diameter of a rear side on the guide band 7 of the projectile 2 arranged sealing ring. 8
  • the length of the smooth tube section 6, however, is selected such that it corresponds at least to the length L0 of the guide band 7 and the length L1 of the sealing ring 8 of the respective projectile 2. This ensures that after loading the projectile 2 of the sealing ring 8 is located within the Giattrohrabêtes 6 and located in front of the guide belt 7 of the projectile 2 area 9 of the transition between the smooth pipe section 6 and the drawn pipe part 4 at firing against the in the cargo space. 3 generated propellant gases is securely sealed.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Claims (4)

  1. Système, composé d'un canon pour tirer des projectiles (2) à stabilisation gyroscopique, ainsi que projectile (2) muni d'une bande de guidage (7) et d'une bague d'étanchéité (8) disposée du côté arrière derrière la bande de guidage (7), le canon (1) comprenant une chambre de charge (3), une partie tubulaire étirée (4) et un cône de transition (5) disposé entre la chambre de charge (3) et la partie tubulaire étirée (4),
    une portion (6) réalisée sous la forme d'un tube lisse étant disposée entre le cône de transition (5) qui se raccorde à la chambre de charge (3) et la partie tubulaire étirée (4), de sorte que le début du profil rayé de la partie tubulaire étirée (4) est décalé hors de la zone (9) fortement menacée par l'érosion sur le cône de transition (5),
    caractérisé en ce que
    * le diamètre intérieur (D0) de la portion (6) réalisée sous la forme d'un tube lisse est supérieur ou égal au diamètre extérieur (D1) de la bande de guidage (7), mais approximativement égal au diamètre extérieur de la bague d'étanchéité (8) des projectiles (2) à tirer hors du canon (1), et en ce que
    * la longueur de la portion en tube lisse (6) correspond au moins à la longueur (L0) de la bande de guidage (7) et à la longueur (L1) de la bague d'étanchéité (8) des projectiles (2) à tirer,
    * la bande de guidage (7) et la bague d'étanchéité (8) étant disposées directement l'une derrière l'autre, également d'une seule pièce, ou
    * la bague d'étanchéité (8) se trouve dans une rainure séparée dans le projectile (2) plus loin derrière la bande de guidage (7) et
    * la bague d'étanchéité (8) disposée derrière la bande de guidage (7), lors du coup de feu, contribue à une étanchéité initiale dans la portion (6) réalisée sous la forme d'un tube lisse jusqu'à ce que la bande de guidage (7) soit entièrement pressée dans le profil rayé de la partie tubulaire étirée (4).
  2. Projectile (2) pour tirer depuis un canon (1) selon la revendication 1, caractérisé en ce que la bande de guidage (7) et la bague d'étanchéité (8) sont disposées directement l'une derrière l'autre.
  3. Projectile selon la revendication 2, caractérisé en ce que la bande de guidage (7) et la bague d'étanchéité (8) sont d'une seule pièce.
  4. Projectile (2) pour tirer depuis un canon (1) selon la revendication 1, caractérisé en ce que la bague d'étanchéité (8) se trouve dans une rainure séparée dans le projectile (2) plus loin derrière la bande de guidage (7).
EP08801812.2A 2007-09-24 2008-09-03 Canon pour tirer des projectiles gyroscopés Not-in-force EP2191222B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007045721A DE102007045721A1 (de) 2007-09-24 2007-09-24 Geschützrohr zum Verschießen drallstabilisierter Geschosse
PCT/EP2008/007179 WO2009039941A1 (fr) 2007-09-24 2008-09-03 Canon pour tirer des projectiles gyroscopés

Publications (2)

Publication Number Publication Date
EP2191222A1 EP2191222A1 (fr) 2010-06-02
EP2191222B1 true EP2191222B1 (fr) 2014-04-16

Family

ID=40260488

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08801812.2A Not-in-force EP2191222B1 (fr) 2007-09-24 2008-09-03 Canon pour tirer des projectiles gyroscopés

Country Status (5)

Country Link
US (1) US20100192445A1 (fr)
EP (1) EP2191222B1 (fr)
DE (1) DE102007045721A1 (fr)
IL (1) IL204602A (fr)
WO (1) WO2009039941A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1455354A (en) * 1918-05-28 1923-05-15 Winfield P Porter Projectile
DE4000167A1 (de) * 1990-01-05 1991-07-11 Rheinmetall Gmbh Drallstabilisiertes traegergeschoss mit einem metallischen fuehrungsband
DE19532745A1 (de) * 1995-09-05 1997-03-06 Rheinmetall Ind Ag Drallstabilisiertes Geschoß
EP1006337A2 (fr) * 1998-12-02 2000-06-07 Rheinmetall W & M GmbH Projectile d'artillerie stabilisé par rotation
US6536353B1 (en) * 1998-04-24 2003-03-25 Rheinmetall W & M Gmbh Spin-stabilized projectile having a multi-part guide band and method of making the projectile
EP1617167A1 (fr) * 2004-07-17 2006-01-18 Rheinmetall Waffe Munition GmbH Projectile d'artillerie avec ceinture de guidage

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US997539A (en) * 1910-02-16 1911-07-11 John H Brown Gun.
NL22279C (fr) * 1924-04-28
FR615566A (fr) * 1925-05-07 1927-01-11 Système de rayage des bouches à feu
US1944883A (en) * 1929-12-24 1934-01-30 Gerlich Hermann Projectile propelling apparatus
US2288604A (en) * 1935-09-28 1942-07-07 Born Waldemar Projectile
CH213074A (de) * 1939-03-23 1941-01-15 Deutsche Waffen & Munitionsfab Schusswaffe mit innen zum Teil konisch gehaltenem Lauf.
US2395044A (en) * 1942-04-02 1946-02-19 Walter T Gorton Gun
DE1021759B (de) * 1954-02-16 1957-12-27 Brevets Aero Mecaniques Patrone fuer insbesondere selbsttaetige Feuerwaffen
US2815602A (en) * 1954-02-23 1957-12-10 Remington Arms Co Inc Barrel chamber for cartridges of different length
US2845741A (en) * 1955-04-27 1958-08-05 Olin Mathieson Composite firearm barrel
US3442172A (en) * 1959-03-13 1969-05-06 Fansteel Inc Gun barrel liner
US4366015A (en) * 1980-05-16 1982-12-28 Murray Myles N Rubber driving band, artillery shell employing same, and method of making the band and assembling same in the shell
SE442550B (sv) * 1981-03-25 1986-01-13 Bofors Ab Anordning vid eldrorskammare for grovt artilleri
USH1365H (en) * 1994-02-04 1994-11-01 The United States Of America As Represented By The Secretary Of The Air Force Hybrid gun barrel
SE508696C2 (sv) * 1995-08-23 1998-10-26 Rheinmetall Ind Ag Draget vapenrör samt förfarande för framställning av sådant rör
DE19815295C2 (de) * 1998-04-06 2003-05-15 Rheinmetall W & M Gmbh Aus einem Waffenrohr verschießbares drallstabilisiertes Artilleriegeschoß
DE19855535A1 (de) * 1998-12-02 2000-06-08 Rheinmetall W & M Gmbh Drallstabilisiertes Artilleriegeschoß
DE10213466A1 (de) * 2002-03-26 2003-10-09 Rheinmetall W & M Gmbh Geschoßkörper
SE529753C2 (sv) * 2006-03-14 2007-11-13 Bae Systems Bofors Ab Projektil eller granat med förskjutbar gördel, vilken tätar så att eldrörsslitage ej påverkar utskjutningshastigheten

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1455354A (en) * 1918-05-28 1923-05-15 Winfield P Porter Projectile
DE4000167A1 (de) * 1990-01-05 1991-07-11 Rheinmetall Gmbh Drallstabilisiertes traegergeschoss mit einem metallischen fuehrungsband
DE19532745A1 (de) * 1995-09-05 1997-03-06 Rheinmetall Ind Ag Drallstabilisiertes Geschoß
US6536353B1 (en) * 1998-04-24 2003-03-25 Rheinmetall W & M Gmbh Spin-stabilized projectile having a multi-part guide band and method of making the projectile
EP1006337A2 (fr) * 1998-12-02 2000-06-07 Rheinmetall W & M GmbH Projectile d'artillerie stabilisé par rotation
EP1617167A1 (fr) * 2004-07-17 2006-01-18 Rheinmetall Waffe Munition GmbH Projectile d'artillerie avec ceinture de guidage

Also Published As

Publication number Publication date
IL204602A0 (en) 2010-11-30
EP2191222A1 (fr) 2010-06-02
WO2009039941A1 (fr) 2009-04-02
DE102007045721A1 (de) 2009-04-02
IL204602A (en) 2015-08-31
US20100192445A1 (en) 2010-08-05

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