Importance

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Abstract

A shaped charge has a case, a cap, and an O-ring. The case has first and second ends and a cavity therein. The case first end has a cylindrical first surface that circumferentially surrounds the cavity. The case second end has a bifurcated projection for receiving a portion of detonating cord. The cap also has first and second ends and cavity therein. The cap first end has a cylindrical second surface that circumferentially surrounds the cap cavity. The case and cap first ends matingly receive each other such that the first and second surfaces face each other. The first and second surfaces have respective circumferential grooves that are aligned with each other when the case and cap are assembled together. The grooves receive the O-ring, which retains the case and cap together while permitting the case to rotate relative to the cap. The cap second end is adapted to couple to a shaped charge carrier. The O-ring and groove arrangement provide a seal between the case and the cap and permit the alignment of the bifurcated projection with the shaped charge carrier while maintaining a secure coupling of the shaped charge to the carrier.

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First Claim