| 摘要 |
<p>The invention concerns a detonator designed to be installed in a chamber provided with an opening access capable of being obstructed. It comprises a device (28) initiating a pyrotechnic chain and a box (26) confining said initiating device (28). The box (26) comprises opposite said initiating device (28) a light (32) for lighting the pyrotechnic charge placed in said chamber outside said box (26). The detonator comprises a light (32) obstructing shutter (36) movable between a retracted position clearing said light (32) and a position obstructing said light (32). Means controlling the shutter (36) maintain the shutter (36) in retracted position, when access to said chamber is obstructed, and in obstructing position, when access to said chamber is open.</p> |
