F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
F42B 4/20 (2006.01) F42B 3/26 (2006.01) F42B 4/22 (2006.01) F42B 4/24 (2006.01)
Patent
CA 2476606
The invention relates to a fixing system for pyrotechnic launch tubes. More specifically, the invention relates to pyrotechnic launch tubes (1) comprising a cylindrical body which contains both the pyrotechnic materials or objects (3) and the powder (5). According to the invention, the lower base of each cylinder (1) is provided with a series of pins (6) which define a radially- deformable neck. Harpoons (7), which are disposed at the end of each of said pins (6), are used to attach the tubes by means of pressure to a fixing element (11-11'), which can be fixed to the frame of the tubes or integrated as single piece into said frame. The aforementioned fixing element is provided with: an external rigid neck (14) having a stepped configuration which is used to fix the harpoons (7); and a cylindrical, axial core (10) which perforates the base of the cylinder (1) and which is dimensioned to house the igniter (12) and the corresponding cable (13) therein such that they are perfectly protected against any possible ambient moisture.
Selon l'invention, des tubes lance-artifices (1) comprennent un corps cylindrique qui comporte aussi bien les objets ou la matire pyrotechniques (3) que la poudre d'~l~vation (5). Le systme d~crit consiste ~ munir chaque cylindre (1), au niveau de sa base inf~rieure, d'une s~rie de pattes (6) d~terminant un col d~formable radialement. Ces pattes (6) se terminent en harpons (7) de fixation ~ pression dans une pice de fixation (11-11') pouvant Útre fix~e au ch~ssis des tubes ou int~gr~e en une seule pice dans le ch~ssis. Cette pice de fixation est pourvue d'un col ext~rieur rigide pr~sentant un ~chelonnement (14) permettant de fixer les harpons (7). Cette pice de fixation est ~galement pourvue d'un noyau axial et cylindrique (10) perforant le fond du cylindre (1) et dimensionn~ pour loger l'enflammeur (12) et son c~ble correspondant (13) de fa×on ~ les prot~ger parfaitement de la possible humidit~ ambiante.
Pirotecnia Caballer S.a.
Ridout & Maybee Llp
LandOfFree
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