Shock tube initiating system for display fireworks

Details Shock tube initiating system for display fireworks Shock tube initiating system for display fireworks

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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