Timed pyric chain apparatus for the ignition of...

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

Patent

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Details

F42D 1/06 (2006.01) C06C 5/06 (2006.01)

Patent

CA 2488094

A timed pyric chain apparatus, particularly for the ignition of pyrotechnical fireworks comprising a main conduit (2) for a retard fuse (16) said main conduit (2) having lateral branch conduits (5). The apparatus consists of coupled modular means, each modular means consisting of a fuse holder (1) comprising a main conduit (2) in which a retard fuse (16) is to be placed, said main conduit being divided into a first portion (3) and a second portion (4), the cross section of the first portion (3) being smaller than the cross section of the second portion (4), the fuse holder further comprising a lateral branch conduit (5) for receiving a wick (17) retainer (11) for a part of its length, said wick being provided with a fire passing sheath (18), the coupling of a first fuse holder (1) to a second fuse holder (1~) resulting from the introduction of the first portion (3) of the first fuse holder (1) in a second portion (4~) of the second fuse holder (1~).

L'invention concerne un appareil de chaîne de mise à feu synchronisée, conçu en particulier pour l'allumage de spectacles pyrotechniques, qui comprend une conduite (2) principale, destinée à une fusée (16) à retardement, ladite conduite (2) principale comprenant des conduites (5) de ramifications latérales. Cet appareil est constitué de moyens modulaires raccordés, chaque moyen modulaire comprenant un étui (1) de fusée qui comprend une conduite (2) principale dans laquelle une fusée (16) à retardement est installée, ladite conduite principale étant divisée en deux parties (3 et 4), la section transversale de la première partie (3) étant plus petite que celle de la deuxième (4). L'étui de fusée comprend en outre une conduite (5) de ramification latérale permettant de recevoir un élément de retenue (11) de mèche destiné à une partie de la longueur de celle-ci, ladite mèche étant pourvue d'une gaine (18) laissant passer le feu, le raccordement d'un premier étui (1) de fusée à un deuxième étui (1') de fusée étant obtenu par l'introduction de la première partie (3) du premier étui (1) de fusée dans une deuxième partie (4') du deuxième étui (1') de fusée.

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