Successive-actuation device, using pyrotechnic cord

Details Successive-actuation device, using pyrotechnic cord Successive-actuation device, using pyrotechnic cord

1992-12-04

1994-02-15

Brown, David H.

Ammunition and explosives

Igniting devices and systems

Initiating devices

102205, 1022758, C06C 504, F03G 706

Patent

active

052857280

ABSTRACT:
The invention relates to a successive-actuation device of the type including at least one pyrotechnic cord and a trigger for actuating the operation thereof. Advantageously, the invention contains at least one element made from a shape-memory alloy having two stable states and disposed along the pyrotechnic cord, the element being capable of actuating a subsequent operation when it passes from one of its two stable states, for which the element occupies a neutral position, to its other stable state for which is occupies an active position, under the action of the heat generated by the pyrotechnic cord after triggering.

REFERENCES:
patent: 3483360 (1969-12-01), Perry
patent: 4011816 (1977-03-01), Smith et al.
patent: 4328752 (1982-05-01), Jander
patent: 4551974 (1985-11-01), Yaeger et al.
patent: 5010821 (1991-04-01), Blain
patent: 5070788 (1991-12-01), Carisella et al.

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