Patent ID: 8578855

Claim:
A decoupling assembly for use in munitions, the decoupling assembly comprising: a motor tube having an open end, the motor tube containing a temperature-sensitive combustible material; a mount adapted to close and seal open end of the motor tube; and a joint between the motor tube and the mount, the joint being configured and dimensioned to allow the mount to decouple from the motor tube, wherein at least one of the motor tube and the mount comprises one or more annular rings formed circumferentially on a surface thereof to define a void, wherein the joint comprises a joint material disposed within the void defined by the one or more annular rings, the joint material being selected so as to be injectable into and set within the void defined by the one or more annular rings and so dint, it softens when exposed to a predetermined temperature, wherein the motor tube comprises one or more injection ports in communication with the one or more annular rings, the one or more injection ports being configured to allow injection of the joint material into the void defined by the one or more annular rings, and wherein the at least one of the motor tube and the mount further comprises one or more axially aligned grooves formed on the same surface or surfaces as and intersecting with the one or more annular rings.