F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
F42B 4/00 (2006.01) F42B 4/06 (2006.01) F42B 4/08 (2006.01)
Patent
CA 2432903
The product includes a self-propelled aerial pyrotechnic device (14) and upright launch tube (16) for the device (14). The device is closely confined within the launch tube (16) so as to be maintained in an essentially truly orientation in preparation for launch. The device (14) itself comprises a body (24) containing pyrotechnic display material and an engine (32) that serves to propel the body when ignited. A stabilizing base (26), preferably integrally molded from synthetic resinous material, is attached to the lower end of the body and is in the nature of a framework having a plurality of symmetrically disposed, long legs (38,40,42) interconnected at variouos locations by struct structure (43). The engine (32) is received within a socket (68) at the upper end of the stabilizing base and is adhered to interior surfaces of the legs to provide a secure connection between the body and the base.
Selon l'invention, le produit comporte un dispositif (14) pyrotechnique aérien autopropulsé et un tube de lancement (16) vertical destiné au dispositif (14). Le dispositif, étroitement logé dans le tube de lancement (16), est maintenu dans une orientation essentiellement verticale en vue du lancement. Le dispositif (14) comporte un corps (24) contenant le matériau de présentation pyrotechnique et un moteur (32) qui permet de propulser le corps une fois allumé. Une base de stabilisation (26), de préférence moulée d'une seule pièce dans un matériau résineux synthétique, est fixée à l'extrémité inférieure du corps et se présente sous la forme d'un cadre ayant plusieurs longs segments ( 38, 40, 42) disposés de manière symétrique reliés en divers emplacements par une structure étai (43). Le moteur (32) est logé dans un manchon (68) à l'extrémité supérieure de la base de stabilisation et adhère aux surfaces internes des segments afin d'assurer une liaison sûre entre le corps et la base.
Gowling Lafleur Henderson Llp
Shelton Gregory P.
LandOfFree
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