Shaped-charge booster

Claim 1

A SHAPED CHARGE COMPRISING: A HOUSING HAVING A CUP-SHAPED INTERIOR; A MAIN CHARGE OF EXPLOSIVE MATERIAL POSITIONED IN SAID CUP-SHAPED INTERIOR; SAID MAIN CHARGE HAVING AN EXTERIOR SURFACE MATING WITH THE INTERIOR WALL OF THE HOUSING AND A FRUSTO-CONICAL INNER SURFACE AND A CYLINDRICAL PASSAGE ADJACENT THE SMALL END OF THE FRUSTO-CONICAL INNER SURFACE; A NONEXPLOSIVE LINER COVERING THE FRUSTO-CONICAL INNER SURFACE; A THIN CYLINDRICAL MEMBER OPPOSING SAID CYLINDRICAL PASSAGE; A SOLID CYLINDRICAL BOOSTER FORMED OF HIGH EXPLOSIVE MATERIAL COMPLETELY FILLING SAID CYLINDRICAL MEMBER, THE MINIMUM CYLINDRICAL AREA OF THE BOOSTER OPPOSING THE CYLINDRICAL PORTION OF THE PASSAGE OF THE MAIN CHARGE BEING AT LEAST AS GREAT AS TO THE CROSS SECTIONAL AREA OF THE PASSAGE OF THE MAIN CHARGE; THE BOOSTER TERMINATING IN A PORTION OF SMALLER DIAMETER THAT APPROACHES THE EXTERIOR WALL OF THE HOUSING, AND MEANS ADJACENT THE EXTERIOR WALL OF THE HOUSING TO INITIATE THE DETONATION OF THE SMALL DIAMETER OF THE BOOSTER, THE DETONATION OF THE BOOSTER RESULTING IN CYLINDRICAL SHOCK WAVES WHICH DETONATES THE MAIN CHARGE.