Multiple independent penetrating electrode non-electric...

Details Multiple independent penetrating electrode non-electric... Multiple independent penetrating electrode non-electric...

2005-05-17

2005-05-17

Carone, Michael (Department: 3641)

Ammunition and explosives

Igniting devices and systems

Initiating devices

C102S275120, C102S202800

Reexamination Certificate

active

06892645

ABSTRACT:
Multiple independent penetrating electrode non-electric tips in which the electrodes are separated in a non-coaxial arrangement so as to generate a spark gap internal to the non-electric shock tube, with the electrodes being brought together inside of the shock tube at a very precise distance, improving longevity by eliminating ablation of the insulating material between the inner and outer electrodes, reducing electrical shorting of the electrodes, and providing more consistent and reliable ignition of shock tubes.

REFERENCES:
patent: 5341742 (1994-08-01), Alford et al.
patent: 6196131 (2001-03-01), Yanda et al.
patent: 2056633 (1981-03-01), None
patent: 2123217 (1984-01-01), None
WO 93/23718, Shann et al., International Application Publication, Nov. 25, 1993.*
Blasting Machines & Initiators, AccurateBlasting.com, Apr. 12, 2003, available @http://www.accurateblasting.com/accessories/blast-machines.html.*
Wizard Lightning STI, Wizard Devices, Inc. May 5, 2002, available @http://web.archive.org/web/20021013012731/http://www.wizard-devices.com/lightning.shtml.*
Reusable Shock Tube Initiator STI-8, risi, available @http://www.risi-usa.com/0products/4acc/page33.html.

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