Instantaneous-action or delayed-action pyrotechnic initiation device

摘要

The technical sector of the present invention is that of pyrotechnic initiation devices. The device according to the invention comprises: - a first pyrotechnic element 3 intended for initiating a second pyrotechnic element 5 equipped with a delay 6 located between the first and second elements, said elements being arranged at each end of a channel 2; - a means for partially closing off the channel, located between the two pyrotechnic elements, which is intended to allow the initiation device to act in a delayed mode, said means for partial closing off being retractable so as to allow the instantaneous action of the device. The invention is used in the field of the priming of explosive charges and in the ignition of pyrotechnic charges. <IMAGE>