Open apex shaped charge-type explosive device having special dis

Details Open apex shaped charge-type explosive device having special dis Open apex shaped charge-type explosive device having special dis

1992-06-11

1993-10-12

Nelson, Peter A.

Ammunition and explosives

Blasting

Detonation wave modifying

102476, F42B 102

Patent

active

052515613

ABSTRACT:
An open apex shape charge explosive device is disclosed having an inner liner defining a truncated cone, an explosive charge surrounding the truncated inner liner, a primer charge, and a disc located between the inner liner and the primer charge for directing the detonation of the primer charge around the end edge of the disc means to the explosive materials surrounding the inner liner. The disc comprises a material having one or more of: a higher compressive strength, a higher hardness, and/or a higher density than the material comprising the inner liner, thereby enabling the disc to resist deformation until the liner collapses. The disc has a slide surface thereon on which the end edge of the inner liner slides inwardly toward the vertical axis of the device during detonation of the main explosive surrounding the inner liner, to thereby facilitate the inward collapse of the inner liner. In a preferred embodiment, the geometry of the slide surface is adjusted to further control the collapse or .beta. angle of the inner liner.

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