F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
F42B 39/20 (2006.01)
Patent
CA 2185152
The present invention relates to a method and an arrangement for, in fixed service ammunition, reducing the damage effect on the environment in the event of extreme pressure increases in propellent charges forming a part thereof, such as in the event of accidental ignition of these. According to the invention, this is brought about by the case (1) being designed in such a manner that, in the event of an extreme internal pressure increase while the cartridge is located outside the cartridge chamber of the weapon in question, this case opens so that a very rapid pressure reduction takes place within the powder.
Procédé et dispositif permettant d'atténuer l'effet destructeur d'une munition d'artillerie en cas d'accroissement extrême de la pression des charges de propulsion qu'elle contient, comme, par exemple, en cas de mise à feu accidentelle de ces charges. Selon cette invention, l'étui (1) est conçu de telle manière que, en cas d'accroissement extrême de la pression interne à un moment où la munition se trouve hors de la chambre de chargement de l'arme en question, l'étui s'ouvre de manière à obtenir une baisse très rapide de la pression de la poudre.
Hellkvist Dan
Loinder Erik
Bofors Ab
Bofors Defence Ab
Fetherstonhaugh & Co.
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