Blank cartridge device with muzzle flash suppressor

F - Mech Eng,Light,Heat,Weapons – 41 – A

Patent

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Details

F41A 21/26 (2006.01)

Patent

CA 2503772

The invention relates to a cartridge device (3) for manoeuvres, for placing over a flash suppressor (35). The invention is characterised as follows: the flash suppressor (35) has a longitudinal bore (51) on the end facing the barrel (47) of the weapon for an unimpeded shot, said bore having an internal cone section (39), and lateral gas discharge openings (37) are provided between said internal cone section (39) and the mouth of the flash suppressor (35); the cartridge device (35) for manoeuvres has a centrally located tube (19), which passes through the bore (51) of the flash suppressor (35) and is provided at its rear end with an external cone section (23) that sits in the internal cone section (39) of the flash suppressor (35), sealing said section. An inner bore (25) that elongates the barrel (47) penetrates the tube (19), the front end of said bore being sealed and forming a bullet collector; a cover (17) radially surrounds the exterior of the lateral gas discharge openings (37); an injector bore (29) connects the interior of the inner bore (25) with the exterior (33); the injector bore (29) lies centrally in a narrowing (27) of the inner bore (25); the section of the inner bore facing away from the barrel (47) is connected to the exterior (33) via at least one generously proportioned radial bore (31); and the tube (19) comprises an external thread (41), which engages in an internal thread (41) in the bore (51) of the flash suppressor (35).

L'invention concerne un appareil à cartouches (3) destiné à des manoeuvres et à placer sur un dispositif anti-lueur (35). L'invention est caractérisée en ce que le dispositif anti-lueur (35) présente, à son extrémité faisant face au canon (47) d'une arme à feu, un orifice longitudinal (51) destiné à un tir sans obstacle, cet orifice longitudinal ayant une section cône interne (39) et des orifices latéraux (37) destinés à la décharge de gaz et placés entre cette section cône interne (39) et la bouche du dispositif anti-leur (35). L'appareil à cartouche (35) présente un tube central (19) qui passe par l'orifice (51) du dispositif anti-lueur (35) et dont l'extrémité arrière est pourvue d'une section cône externe (23) qui repose de façon hermétique sur la section cône interne (39) du dispositif anti-lueur (35). Le tube (19) est traversé par un trou d'âme (25) qui prolonge le canon (47) et dont l'extrémité avant est fermée, formant ainsi un capteur de balle. Un couvercle (17) entoure radialement l'extérieur des orifices latéraux de décharge de gaz (37). Un orifice de buse (29), situé au centre d'un étranglement (27) de l'orifice d'âme (25), relie l'intérieur du trou d'âme (25) au côté externe (33). La partie du trou d'âme interne, partie opposée au canon (47), est reliée au côté externe (33) par au moins un orifice radial (31) de dimensions généreuses. Et enfin, le tube (19) présente un fileté externe (41) qui entre en prise avec un fileté interne (41) de l'orifice (51) du dispositif anti-lueur (35).

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