Ignition unit for nitrocellulose, has external electrical energy unit, predetermined amount of ignition powder including bismuth oxide, magnesium-aluminum alloy, and sulfur provided in paper bag, steel wool, and bottom and top cover

摘要

An ignition unit has an external electrical energy unit (7) for triggering bridge igniter (5), predetermined amount of ignition powder (3) including 60% bismuth trioxide, manganese tetraoxide and/or cupric oxide, 25% magnesium-aluminum alloy at ratio of 50:50, and 15% sulfur provided in a paper bag (4), steel wool (2), a bottom cover (7) and a top cover (6).