Thinned-skirt shaped charge liner

摘要

A liner (50) for a shaped-charge (10), the liner (50) comprises: a convex outer surface (52); a concave inner surface (51); an apex (54) having a center; a mouth portion (20) of the liner (50) opposite the apex (54) of the liner (50); a skirt portion (60) terminating in a circular skirt edge (62) at the mouth portion (20) of the liner (50); at least some of the skirt portion (60) of the liner (50) having had material removed by machining reducing the thickness of the skirt portion (60); and the machined skirt portion (60) having a thickness within about 25% of the thickness of the material around the center of the apex (54). <IMAGE>