Ordnance – Explosive operated apparatus
Reexamination Certificate
2007-11-20
2007-11-20
Clement, M. (Department: 3641)
Ordnance
Explosive operated apparatus
C089S007000, C089S027300, C102S254000, C102S531000
Reexamination Certificate
active
10865847
ABSTRACT:
The technical field of the invention is that of pyrotechnic actuators comprising a piston, the basic function of which is to exert a thrust so as to displace an object by shooting out the piston.More particularly, the invention relates to a pyrotechnic actuator (1, 1a, 1b, 1c) comprising a pyrotechnic-gas generator (7), a combustion chamber (3) and a piston (9) which can move in a slide chamber (5) under the effect of the said gases.The principal characteristic of this actuator is that it comprises a shut-off device (4, 4a, 4b, 4c) used after the triggering of the said actuator (1, 1a, 1b, 1c) in order, on the one hand, to close the slide chamber (5) and, on the other hand, to secure the depressurization of the combustion chamber (3).
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Borg Evrard
D'Emmanuelle Laurent
Laspesa Eric
Nadeau Jean-Paul
Clement M.
Oliff & Berridg,e PLC
SNPE Materiaux Energetiques
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