Conductive explosive primer mixture and device

Claim 1

AN ELECTROSTATIC DISCHARGE PROOF PRIMER FOR USE WITH A CARTRIDGE CONTAINING A PROPELLANT WHICH COMPRISES; CUP MEANS HAVING A REARWARDLY DISPOSED APERTURE THEREIN, AN ELECTRICALLY CONDUCTING BUTTON DISPOSED WITHIN SAID CUP AND EXTENDING INTO THE APERTURE THEREOF, INSULATING MEANS ELECTRICALLY SEPARATING SAID BUTTON AND SAID CUP, AN ELECTRICALLY CONDUCTING PRIMING MIXTURE HAVING A RESISTANCE OF AT LEAST 1,000 OHMS DISPOSED IN ELECTRICAL CONTACT BETWEEN SAID BUTTON AND SAID CUP, MEANS FOR PRODUCING A VOLTAGE ACROSS SAID CUP AND SAID BUTTON THROUGH SAID PRIMING MIXTURE, SAID PRIMING MIXTURE CONSISTING ESSENTIALLY OF AN ELECTRICALLY CONDUCTIVE PRIMER COMPOSITION OF A HEAVY METAL PEROXIDE AS AN ELECTROCONDUCTIVE OXIDIZING AGENT, A FINELY DIVIDED METAL, AN OXIDIZING SALT, AND A CRYSTALLINE ORGANIC HIGH EXPLOSIVE AND ABOUT 30% OF THE ZIRCONIUM HYDRIDE TO PREVENT ACCIDENTAL INITIATION OF THE PRIMER MIXTURE BY ELETROSTATIC DISCHARGE.