Patent ID: 6368434
Filing Date: 2002-04-09
Classification: C06B,C06C,F42C

Abstract:
An igniting tube for a piece of artillery ammunition, said igniting tube comprising a stack of at least two ring-shaped layers of different pyrotechnic materials, said at least two ring-shaped layers being arranged to provide an axial channel throughout said igniting tube, wherein (1) at least one of said layers comprises a composition combining boron and potassium nitrate, and the other layer comprises a composition combining aluminum and a copper oxide, (2) the first layer comprising a combination of:boron: 5% to 35% in weight, potassium nitrate: 65% to 95% in weight, and nitrocellulose: 0.5% to 5% in weight; and (3) a second layer comprising a combination of:aluminum: 5% to 35% in weight, and copper oxide (CuO): 65% to 95% in weight.