EP1693646B1 - Führungsband für Artilleriegeschoss - Google Patents

Führungsband für Artilleriegeschoss Download PDF

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Publication number
EP1693646B1
EP1693646B1 EP06290119A EP06290119A EP1693646B1 EP 1693646 B1 EP1693646 B1 EP 1693646B1 EP 06290119 A EP06290119 A EP 06290119A EP 06290119 A EP06290119 A EP 06290119A EP 1693646 B1 EP1693646 B1 EP 1693646B1
Authority
EP
European Patent Office
Prior art keywords
ring
projectile
hoop
belt
tube
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.)
Active
Application number
EP06290119A
Other languages
English (en)
French (fr)
Other versions
EP1693646A1 (de
Inventor
Dominique Dion
René Dodu
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.)
Nexter Munitions SA
Original Assignee
Nexter Munitions SA
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 Nexter Munitions SA filed Critical Nexter Munitions SA
Publication of EP1693646A1 publication Critical patent/EP1693646A1/de
Application granted granted Critical
Publication of EP1693646B1 publication Critical patent/EP1693646B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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 technical field of the invention is that of projectile sealing belts and in particular that of slipping belts such as those described in the preamble of claim 1.
  • the belt When the projectile is of the gyro-stabilized type, the belt is generally metallic. It takes the scratches from the barrel of the weapon and communicates a rotational movement to the projectile body. This configuration is the one generally used for artillery fire, the artillery tubes being always scratched.
  • Projectiles that are not gyrostabilized but stabilized by empennage are also known. These are, for example, sub-calibrated shells, known as arrow shells, or caliber shells with a shaped charge.
  • Such a belt has a sliding ring mounted on a fixed under ring.
  • the sliding ring is driven by the scratches of the barrel of the weapon but it skids on the under ring and therefore does not drive the projectile in rotation.
  • the patent FR2606869 describes such a slip belt.
  • the patent US 5164540 (base for the preamble of claim 1) describes a projectile sealing belt comprising a slip ring rotatably mounted on a belt support and provided in avat with a ring of external diameter substantially the caliber of the barrel of the weapon. The function of this ring is to limit the friction of the slipping belt.
  • a shell with a plastic sling belt rebounds on the forcing cone and it falls back into the chamber of the weapon making impossible or dangerous the installation of the propellant charge.
  • the subject of the invention is a projectile sealing belt comprising a slip ring rotatably mounted on a belt support, comprising, in front of the slip ring, a ring of external diameter substantially of the caliber of the tube of the weapon and less than the diameter of the slip ring, characterized in that the ring is kept away from the slip ring by a spacer whose length is chosen such that the ring is engaged in the scratches of the tube before the slip ring does not in contact with the forcing cone.
  • the ring may be made of copper.
  • the ring may have a thickness less than or equal to 5% of the caliber.
  • the belt support can carry the ring, the spacer and the ring and will ensure the attachment of the assembly on a rear part of a projectile.
  • FIG. 1 shows a rear part of an artillery projectile 1 with axis 1a.
  • This rear portion comprises a threaded surface 2 which extends from a shoulder 3 to a lock nut 4.
  • the threaded surface receives a cylindrical support 5 which is made for example of aluminum. This support abuts on the shoulder 3 and has a rear shoulder 5a.
  • the ring 7 will have a diameter slightly greater than the caliber (a few tenths of a millimeter) and it will be made for example of copper.
  • the thickness of the ring will be chosen relatively small, for example less than or equal to 5% of the caliber (ie of the order of 6 mm) so as not to cause excessive friction during firing and not to hinder skidding of the ring 5.
  • the ring 7 is kept away from the slip ring 5 by a spacer 8 whose length is chosen such that the ring 7 can be engaged in the scratches of the tube before the slip ring 5 comes into contact with the forcing cone of the tube. Generally it will suffice a spacer having a length of the order of 20 to 25% of the caliber.
  • This spacer is made for example of aluminum.
  • the belt support 5 thus carries the ring 6, the spacer 8 and the ring 7 and it allows to fix the entire belt on the rear part of the projectile 1.
  • the projectile is usually thrown into the chamber of the weapon by a loading system.
  • the resulting impact has caused the introduction of the ring 7 in the tube 9 and its deformation at the passage of the forcing cone 10.
  • the ring 7 is dimensioned to be able to pass the forcing cone 10 and ensure the jamming of the projectile for all the angles of sites and all the expected employment temperatures.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Clamps And Clips (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Push-Button Switches (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Sealing Devices (AREA)
  • Belt Conveyors (AREA)

Claims (4)

  1. Dichtungsgürtel für ein Projektil, umfassend eine rutschende Hülse (6), die drehend auf einem Gürtel-Träger (5) montiert ist, umfassend am vorderen Teil der rutschenden Hülse (6) einen Ring (7) mit einem Außendurchmesser im Wesentlichen im Kaliber des Rohres der Waffe und kleiner als der Durchmesser der rutschenden Hülse (6), dadurch gekennzeichnet, dass der Ring (7) in Abstand von der rutschenden Hülse (6) durch eine Abstandshülse (8) gehalten wird, dessen Länge derartig gewählt wird, dass sich der Ring (7) in Eingriff mit den Zügen des Rohres befindet, bevor die rutschende Hülse (6) in Kontakt mit dem Führungskegel (10) steht.
  2. Dichtungsgürtel nach Anspruch 1, dadurch gekennzeichnet, dass der Ring (7) aus Kupfer ausgeführt ist.
  3. Dichtungsgürtel nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass der Ring (7) eine Dicke besitzt, die kleiner oder gleich 5% des Kalibers ist.
  4. Dichtungsgürtel nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Gürtel-Träger (5) die Hülse (6), die Abstandshülse (8) und den Ring (7) trägt und die Befestigung der Einheit an dem hinteren Teil eines Projektils (1) gewährleistet.
EP06290119A 2005-02-21 2006-01-18 Führungsband für Artilleriegeschoss Active EP1693646B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0501858A FR2882429B1 (fr) 2005-02-21 2005-02-21 Ceinture d'etancheite pour projectile d'artillerie

Publications (2)

Publication Number Publication Date
EP1693646A1 EP1693646A1 (de) 2006-08-23
EP1693646B1 true EP1693646B1 (de) 2007-09-19

Family

ID=34993238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06290119A Active EP1693646B1 (de) 2005-02-21 2006-01-18 Führungsband für Artilleriegeschoss

Country Status (5)

Country Link
EP (1) EP1693646B1 (de)
AT (1) ATE373809T1 (de)
DE (1) DE602006000111T2 (de)
ES (1) ES2293628T3 (de)
FR (1) FR2882429B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2936865B1 (fr) 2008-10-08 2012-12-28 Nexter Munitions Procede de commande d'un module d'attaque et module d'attaque mettant en oeuvre un tel procede
FR3080912B1 (fr) 2018-05-02 2020-04-03 Nexter Munitions Projectile propulse par statoreacteur
RU192404U1 (ru) * 2018-08-13 2019-09-16 Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" Артиллерийский снаряд

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3834314A (en) * 1972-12-29 1974-09-10 Aai Corp Puller sabot ammunition with slip seal
US4242961A (en) * 1978-10-23 1981-01-06 Martin Marietta Corporation Chevron grooved decoupling obturator
FR2606869B1 (fr) 1986-11-19 1990-10-05 France Etat Armement Ceinture derapante pour projectile de tout calibre
FR2670880B1 (fr) * 1990-12-19 1993-03-26 Giat Ind Sa Ceinture derapante pour projectile de tout calibre et son procede de realisation.

Also Published As

Publication number Publication date
EP1693646A1 (de) 2006-08-23
DE602006000111T2 (de) 2008-06-19
DE602006000111D1 (de) 2007-10-31
FR2882429A1 (fr) 2006-08-25
ATE373809T1 (de) 2007-10-15
ES2293628T3 (es) 2008-03-16
FR2882429B1 (fr) 2007-03-30

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