Apparatus and method for blast suppression

F - Mech Eng,Light,Heat,Weapons – 42 – D

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F42D 5/045 (2006.01)

Patent

CA 2314245

The invention disclosed is an apparatus for explosive blast suppression, and a method therefor, the apparatus comprising a hemispherical enclosure (10) defined by an upstanding wall, positioning means (42) associated with the enclosure, for positioning the explosive device substantially equidistant from any point on the wall, and in a preferred embodiment includes an integral floor (40) and a rounded lower wall, to provide a substantially even distribution of blast forces in all directions toward the wall. The enclosure is made of composite textile material, comprising one or several layers of a ballistic material (e.g. Dyneema Kevlar) sandwiched between inner and outer layers of a light-weight rip-stop nylon fabric material.

La présente invention concerne un appareil et un procédé permettant de supprimer le souffle des explosifs, cet appareil comprenant une enceinte hémisphérique (10) formée par une paroi verticale, un dispositif de positionnement (42) associé à cette enceinte permettant de positionner cet explosif pratiquement à équidistance de n'importe quel point de la paroi. Dans un mode préféré de réalisation, cet appareil comprend une base solidaire (40) et une paroi inférieure arrondie, permettant une distribution pratiquement égale des forces du souffle dans toutes les directions vers la paroi. Par ailleurs, l'enceinte est fabriquée en textile composite, comprenant une ou plusieurs couches d'un matériau balistique (Dyneema Kevlar, par exemple) pris en sandwich entre des couches interne et externe d'une matière en nylon léger et indéchirable.

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