Ammunition and explosives – Having reaction motor – Having separation means
Patent
1986-09-22
1988-01-19
Parr, Ted L.
Ammunition and explosives
Having reaction motor
Having separation means
F42B 1510
Patent
active
047198583
ABSTRACT:
Successive stages of a missile are held together by an encircling band jod at its ends by an explosive band separation device. Opposite ends of the band are welded to separable parts which interlock with each other. Since the band is held in tension, inclined surfaces on the separable parts force them from maintaining an engagement so that a retaining cover is needed to hold them together. The retaining cover is held by a pair of balls which diametrically communicate with a longitudinal bore. A piston in the bore keeps the balls in cavities in the retaining cover to hold the separable parts together. A power cartridge detonated by an electrical signal displaces the piston the length of the bore and the balls free of the retaining cover. The retaining cover rotates by a resultant upward force exerted by the inclining surfaces. Freed from the retaining cover the tensile force exerted by the band pulls the separable parts apart to free successive stages of the missile from one another. An insert or safety pin is included to hold the piston in place in the bore prior to detonation of the power cartridge so that the shock and vibration normally attendant a missile launch do not disrupt the interface between the missile stages. When the cartridge detonates, the insert pin is sheared by the piston to assure a responsive release of the encircling band.
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patent: 4628821 (1986-12-01), Madderra et al.
Johnston Ervin F.
Keough Thomas Glenn
Parr Ted L.
The United States of America as represented by the Secretary of
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