EP2191222A1 - Geschützrohr zum verschiessen drallstabilisierter geschosse - Google Patents
Geschützrohr zum verschiessen drallstabilisierter geschosseInfo
- Publication number
- EP2191222A1 EP2191222A1 EP08801812A EP08801812A EP2191222A1 EP 2191222 A1 EP2191222 A1 EP 2191222A1 EP 08801812 A EP08801812 A EP 08801812A EP 08801812 A EP08801812 A EP 08801812A EP 2191222 A1 EP2191222 A1 EP 2191222A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sealing ring
- gun barrel
- drawn
- length
- projectiles
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 230000007704 transition Effects 0.000 claims description 14
- 238000010304 firing Methods 0.000 claims description 9
- 239000003380 propellant Substances 0.000 abstract description 5
- 230000003628 erosive effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 1
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 rod-stabilized projectiles with a Fuhrungsband and a rear side arranged behind the Fuhrungsband sealing ring, with the features specified in the preamble of claim 1
- Such gun tubes have long been known and usually comprise a cargo space, a drawn pipe part and a transition cone arranged between the cargo space and the drawn pipe part to load a projectile it is pushed through the cargo space so far into the rear-side region of the drawn pipe part until the leader the projectile is located on the field-train profile of the drawn pipe part
- the rear side of the Fuhrungsband arranged sealing ring which usually has a slightly larger outer diameter than the Fuhrungsband, is still in the transition cone of the gun barrel and should firing at the beginning of the gas pressure prevent in the cargo space that the hot propellant charge gases between leadership band and the immediately adjacent to the transition cone field-tensile profile of the drawn pipe part pass by
- the sealing ring In practice, however, it has been shown that, depending on the depth of the projectile, the sealing ring often does not exactly abut the rare walls of the transition cone and a complete initial sealing is not ensured by the sealing ring when firing. If there is no initial sealing, the hot propellant gases flow between the guide strip and the field-train profile in the region of the transition between the cargo space and the caliber part with high flow velocity over and cause severe erosion damage to the cargo space side end of the drawn pipe part These erosion damage then drove to the separation of the gun barrel
- the invention has for its object to provide a gun barrel, in which an initial seal between bullet and the field-tensile profile of the drawn pipe part is ensured against hot propellant gases, so that erosion damage to the Ia- Dungsraum reliablen end of the drawn pipe part are minimized
- the invention is based essentially on the idea of arranging 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 Fuhrungsbandes, but slightly smaller than the outer diameter of the sealing ring of the projectiles to be fired is, wherein the length of the smooth pipe section is at least the length of Fuhrungsbandes and the sealing ring (together) of the respective projectile
- the sealing ring arranged behind the guide belt provides an excellent initial seal when firing in the smooth pipe section until the guide belt is pressed completely into the field-pull profile of the drawn pipe part
- FIG. 1 shows the longitudinal section of a gun barrel according to the invention in the region of the transition between the cargo space and the drawn pipe part without projectile
- Figure 2 is a Figure 1 corresponding longitudinal section with a charged projectile
- FIG. 3 shows a designated in Fig. 2 with III enlarged detail
- the gun barrel 1 comprises a cargo space 3, a drawn pipe part 4 with a known field-train profile and one between the Cargo space 3 and the drawn pipe part 4 arranged transition cone. 5
- Erf ⁇ ndungsgelien is now provided that between the adjoining the cargo space 3 transition cone 5 and the drawn tube part 4 is designed as a smooth tube section 6
- the DO designated inner diameter of this smooth tube section 6 is selected such that it is slightly larger than the outer diameter D1 of the guide belt 7 of the projectile to be fired is approximately equal to the outer diameter of a rear side of the guide belt 7 of the projectile 2 arranged sealing ring. 8
- the length of the smooth pipe section 6, however, is chosen such that it corresponds at least to the length LO of the guide belt 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 within the smooth pipe section. 6 located 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 is reliably sealed at firing against the propellant gases generated in the cargo space 3
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Toys (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
Description
Claims
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 (de) | 2007-09-24 | 2008-09-03 | Geschützrohr zum verschiessen drallstabilisierter geschosse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2191222A1 true EP2191222A1 (de) | 2010-06-02 |
| EP2191222B1 EP2191222B1 (de) | 2014-04-16 |
Family
ID=40260488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08801812.2A Not-in-force EP2191222B1 (de) | 2007-09-24 | 2008-09-03 | Geschützrohr zum verschiessen drallstabilisierter geschosse |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20100192445A1 (de) |
| EP (1) | EP2191222B1 (de) |
| DE (1) | DE102007045721A1 (de) |
| IL (1) | IL204602A (de) |
| WO (1) | WO2009039941A1 (de) |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US997539A (en) * | 1910-02-16 | 1911-07-11 | John H Brown | Gun. |
| US1455354A (en) * | 1918-05-28 | 1923-05-15 | Winfield P Porter | Projectile |
| NL22279C (de) * | 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 |
| DE4000167C2 (de) * | 1990-01-05 | 1994-04-14 | Rheinmetall Gmbh | Drallstabilisiertes Trägergeschoß mit einem metallischen Führungsband |
| 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 |
| DE19532745C2 (de) * | 1995-09-05 | 1998-11-26 | Rheinmetall Ind Ag | Führungsband-Dichtsystem für ein drallstabilisiertes Geschoß |
| DE19815295C2 (de) * | 1998-04-06 | 2003-05-15 | Rheinmetall W & M Gmbh | Aus einem Waffenrohr verschießbares drallstabilisiertes Artilleriegeschoß |
| DE19818411C2 (de) * | 1998-04-24 | 2002-04-18 | Rheinmetall W & M Gmbh | Drallstabilisiertes Geschoß und Verfahren zu seiner Herstellung |
| DE19855536A1 (de) * | 1998-12-02 | 2000-06-08 | Rheinmetall W & M Gmbh | 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 |
| DE102004034756A1 (de) * | 2004-07-17 | 2006-02-02 | Rheinmetall Waffe Munition Gmbh | Artilleriegeschoss |
| 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 |
-
2007
- 2007-09-24 DE DE102007045721A patent/DE102007045721A1/de not_active Withdrawn
-
2008
- 2008-09-03 US US12/679,638 patent/US20100192445A1/en not_active Abandoned
- 2008-09-03 EP EP08801812.2A patent/EP2191222B1/de not_active Not-in-force
- 2008-09-03 WO PCT/EP2008/007179 patent/WO2009039941A1/de not_active Ceased
-
2010
- 2010-03-18 IL IL204602A patent/IL204602A/en not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009039941A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20100192445A1 (en) | 2010-08-05 |
| EP2191222B1 (de) | 2014-04-16 |
| DE102007045721A1 (de) | 2009-04-02 |
| WO2009039941A1 (de) | 2009-04-02 |
| IL204602A (en) | 2015-08-31 |
| IL204602A0 (en) | 2010-11-30 |
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