NO20084266L - Method for securing a predetermined orifice rate for an artillery projectile and projectiles designed in accordance with the method - Google Patents

Method for securing a predetermined orifice rate for an artillery projectile and projectiles designed in accordance with the method

Info

Publication number
NO20084266L
NO20084266L NO20084266A NO20084266A NO20084266L NO 20084266 L NO20084266 L NO 20084266L NO 20084266 A NO20084266 A NO 20084266A NO 20084266 A NO20084266 A NO 20084266A NO 20084266 L NO20084266 L NO 20084266L
Authority
NO
Norway
Prior art keywords
projectiles
accordance
degree
grenades
securing
Prior art date
Application number
NO20084266A
Other languages
Norwegian (no)
Inventor
Lennart Gustavsson
Torsten Ronn
Ulf Heiche
Original Assignee
Bae Systems Bofors Ab
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 Bae Systems Bofors Ab filed Critical Bae Systems Bofors Ab
Publication of NO20084266L publication Critical patent/NO20084266L/en

Links

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
    • 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
    • F42B10/32—Range-reducing or range-increasing arrangements; Fall-retarding means
    • F42B10/34—Tubular projectiles

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Powder Metallurgy (AREA)
  • Lubricants (AREA)
  • Adornments (AREA)

Abstract

Oppfinnelsen angår en fremgangsmåte ved avfyring av artilleriprosjektiler, så som forskjellige typer granater (1, 26) fra riflete løp (5a, 5b) for å hindre graden av slitasje av løpet hvorfra prosjektilene blir avfyrt, i å ha en negativ virkning på munningshastigheten av prosjektilene. Oppfinnelsen omfatter også et antall artilleriprosjektiler eller granater (1, 26) konstruert i samsvar med fremgangsmåten og en fremgangsmåte for å fremstille disse. Oppfinnelsen omfatter et antall forskjellige varianter for å løse det angitte problem, hvor hovedprinsippet ved alle disse variantene er å kunne justere båndposisjonene av granatene etter graden av løpslitasje, slik at det oppnås en perfekt drivgasstetning hele tiden mellom båndet (9, 11-14, 19-21, 23 og 33) og opprinnelsesstedet for riflingen i løpet uansett graden av løpslitasje.The invention relates to a method of firing artillery projectiles, such as various types of grenades (1, 26) from rifled barrels (5a, 5b) to prevent the degree of wear of the barrel from which the projectiles are fired, in having a negative effect on the mouth velocity of the projectiles. . The invention also encompasses a number of artillery projectiles or grenades (1, 26) constructed in accordance with the method and a method for making them. The invention encompasses a number of different variants to solve the stated problem, the principal principle of all these variants being to adjust the belt positions of the grenades according to the degree of running wear, so that a perfect propellant gas seal is obtained all the time between the belt (9, 11-14, 19 -21, 23, and 33) and the point of origin of the rifle regardless of the degree of running wear.

NO20084266A 2006-03-14 2008-10-10 Method for securing a predetermined orifice rate for an artillery projectile and projectiles designed in accordance with the method NO20084266L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0600554A SE529753C2 (en) 2006-03-14 2006-03-14 Projectile or grenade with sliding belt, which seals so that fire tube wear does not affect the firing rate
PCT/SE2007/000145 WO2007106009A1 (en) 2006-03-14 2007-02-19 Method for ensuring a predetermined muzzle velocity of an artillery projectile and projectiles designed according to said method

Publications (1)

Publication Number Publication Date
NO20084266L true NO20084266L (en) 2008-12-10

Family

ID=38509752

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20084266A NO20084266L (en) 2006-03-14 2008-10-10 Method for securing a predetermined orifice rate for an artillery projectile and projectiles designed in accordance with the method

Country Status (6)

Country Link
US (1) US20090145323A1 (en)
EP (1) EP1996896A4 (en)
KR (1) KR20090004958A (en)
NO (1) NO20084266L (en)
SE (1) SE529753C2 (en)
WO (1) WO2007106009A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090013892A1 (en) * 2007-07-11 2009-01-15 Sjs Paintball, Lp Casing for soft projectile and method for making same
DE102007045721A1 (en) * 2007-09-24 2009-04-02 Rheinmetall Waffe Munition Gmbh Gun barrel for firing spin-stabilized projectiles
US8286558B2 (en) * 2010-04-22 2012-10-16 Liberty Ammunition, Inc. Thermoset polymer guide band for projectiles
US9746295B1 (en) * 2012-02-22 2017-08-29 The United States Of America As Represented By The Secretary Of The Army 40 mm extended range high performance projectile with rocket and guidance navigation control capability and decoupling device
US9395163B2 (en) * 2014-01-09 2016-07-19 Randy R. Fritz Hollow slug and casing
SE541612C2 (en) * 2016-09-15 2019-11-12 Bae Systems Bofors Ab Modifiable divisible projectile and method for modifying a projectile

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190918191A (en) * 1909-08-06 1910-05-19 Arthur Trevor Dawson Improvements in Driving Bands for Projectiles.
US1299013A (en) * 1917-11-22 1919-04-01 Vickers Ltd Driving-band of projectiles.
GB677371A (en) * 1949-05-31 1952-08-13 Hugo Abramson Improvements in or relating to projectiles for firearms
GB1195184A (en) * 1969-03-04 1970-06-17 Forsvarets Fabriksverk Improvements in or relating to Muzzle-Loading Rifle-Bore Mortas and Projectile Therefor.
US3961580A (en) * 1975-02-27 1976-06-08 The United States Of America As Represented By The Secretary Of The Navy Energy-absorbing sabot
US4307666A (en) * 1979-12-03 1981-12-29 The United States Of America As Represented By The Secretary Of The Army Shot start projectile apparatus
DE3033042C2 (en) * 1980-09-03 1985-06-27 L'Etat Français représenté par le Délégué Général pour l'Armement, Paris Means for forcing during the development of a shot in ammunition for a smoothbore weapon
US4552071A (en) * 1982-06-15 1985-11-12 United Technologies Corporation Two-piece despin obturator
FR2670880B1 (en) * 1990-12-19 1993-03-26 Giat Ind Sa SLIDING BELT FOR ANY CALIBER PROJECTILE AND ITS MANUFACTURING METHOD.
DE19532745C2 (en) * 1995-09-05 1998-11-26 Rheinmetall Ind Ag Guide belt sealing system for a spin-stabilized projectile
US6439125B1 (en) * 1998-01-27 2002-08-27 Friedkin Companies, Inc. Bullet
US6453821B1 (en) * 1999-06-29 2002-09-24 Raytheon Company High-temperature obturator for a gun-launched projectile
GB0123637D0 (en) * 2001-09-24 2002-08-28 Qinetiq Ltd Slipping Obturator
WO2006110151A1 (en) * 2004-06-09 2006-10-19 United Defense Lp Projectile fall-back preventer

Also Published As

Publication number Publication date
US20090145323A1 (en) 2009-06-11
EP1996896A1 (en) 2008-12-03
SE0600554L (en) 2007-09-15
KR20090004958A (en) 2009-01-12
EP1996896A4 (en) 2012-08-22
SE529753C2 (en) 2007-11-13
WO2007106009A1 (en) 2007-09-20

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application