초록 ▼

In the field of blasting, an improvement in means for transmitting an initiating signal (non-electrically) to an explosive device to remotely detonate same in accordance with a predetermined delay period of the type which comprises tubing in which there is provided a reactive chemical composition co

In the field of blasting, an improvement in means for transmitting an initiating signal (non-electrically) to an explosive device to remotely detonate same in accordance with a predetermined delay period of the type which comprises tubing in which there is provided a reactive chemical composition containing at least one fuel component and at least one oxidant in intimate admixture that is capable of propagating a combustion signal from one end of said tubing to the other, the improvement consisting in the use of barium peroxide (BaO2) as the oxidant.

대표청구항 ▼

In a shock tube suitable for use in a blasting system for the remote detonation of an explosive after a predetermined delay period, said shock tube being of the type which comprises plastic tubing on the inner surface of which there is provided an adherent particulate coating of a reactive chemical

In a shock tube suitable for use in a blasting system for the remote detonation of an explosive after a predetermined delay period, said shock tube being of the type which comprises plastic tubing on the inner surface of which there is provided an adherent particulate coating of a reactive chemical composition containing at least one fuel component and at least one oxidant in intimate admixture that is capable of propagating a combustion signal from one end of said tubing to the other, the improvement wherein the oxidant is barium peroxide (BaO2), the barium peroxide providing oxygen in a supply such as to sustain stable low speed propagation of the signal.