Patent ID: 6668726
Filing Date: 2003-12-30
Classification: F42B

Abstract:
A shaped charge comprising:a casing, a liner, and an explosive charge; said casing having an apex at which to connect a detonation source, a mouth, and a divergent wall structure extending between said apex and said mouth, said divergent wall structure being narrower at said apex of said casing than at said mouth; said liner having a central region and a divergent skirt extending from said central region, said central region lying closer to said apex than to said mouth, and said skirt being mounted to said divergent wall structure closer to said mouth than to said apex; a charge cavity defined between said casing and said liner; said explosive charge being contained within said charge cavity; and said liner being formed from a metal material whose greatest component, by weight, is zinc; and said explosive charge being operable to cause a perforating jet to be formed from said metal material.