F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
F42B 4/26 (2006.01)
Patent
CA 2584996
The present invention relates to use of a thermic lance as a firework. Frictional or electrical ignition of a thermic lance is more convenient and safer than conventional methods. In addition, when used as a firework, the lance is safer and provides less pollution than conventional fireworks.
La présente invention concerne l'emploi d'une lance thermique comme pièce pyrotechnique. L'allumage électrique ou par frottement de la lance thermique est plus commode et plus sûr que les méthodes d'allumage conventionnelles. En outre, lorsqu'elle est utilisée comme pièce pyrotechnique, la lance est plus sûre et moins polluantes que les pièces pyrotechniques conventionnelles.
Air Products And Chemicals Inc.
Mcfadden Fincham
LandOfFree
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