Ammunition and explosives – Igniting devices and systems – Fuse cord
Patent
1995-08-01
1998-01-20
Nelson, Peter A.
Ammunition and explosives
Igniting devices and systems
Fuse cord
102317, 102318, 1022759, 10227511, C06C 504, C06C 700, F42B 300
Patent
active
057103909
ABSTRACT:
A system for initiating shock tube which has a low cost of manufacture, is relatively impervious to moisture, and initiates the shock tube reliably is described. The initiating system comprises a thermal input initiator device, a thermal enhancing output device, and a length of shock tube. The thermal input initiator device converts the thermal flame energy to percussive energy that travels as a signal wave along the shock tube at a speed of 6500 ft/sec. The signal wave hits the thermal enhancing output device and is converted back into thermal energy that is capable of reliably initiating display fireworks.
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