Cartridge
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United States of America Patent
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-
Apr 1, 2003
Grant Date -
Oct 25, 2001
app pub date -
Apr 23, 2001
filing date -
Apr 22, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A cartridge having an electrothermal ignition device, in which, ignition conduits extend axially through a first propellant-charge powder (4) filling a cartridge sleeve (5), with the conduits essentially comprising an electrical wire (11-13) that is guided axially through a tube (14-16) comprising a second propellant-charge powder. Propellant-charge-powder tubes (14-16) comprising an optically transparent propellant-charge powder are used so that even cartridges (1) having a first propellant-charge powder (4) that is difficult to ignite can be ignited rapidly and reliably, requiring the smallest possible quantity of electrical energy.
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