| 摘要 |
<p>A priming device for an explosive charge 2 comprises at least two booster charges 9 in the vicinity of explosive charge 2 and an initiator device 6,12 which simultaneously initiates the booster charges, the booster charges being designed and located with respect to the explosive charge so that the simultaneous initiation of all the booster charges initiates the explosive charge as a result of the addition of the shock waves 13 that they generate within the explosive charge, a single booster charge being unable to initiate the explosive charge.</p> |
