Patent ID: 7581499

Claim:
A cartridge case ( 2 ) and ammunition round ( 1 ) primarily for at least one of electrothermal or electrothermochemical weapon systems wherein: the ammunition round ( 1 ) comprises the cartridge case ( 2 ) having a casing ( 10 ), a bottom or a bottom piece ( 16 ), and a firing device ( 5 ), which firing device ( 5 ) comprises an electric connection ( 19 ) by means of which the ammunition round ( 1 ) is in electric contact with the weapon, wherein the casing ( 10 ) including the bottom or the bottom piece ( 16 ) comprises one or more insulated or insulating shells, layers or surfaces ( 11 , 12 , 13 ) for, at least electrically, insulating both the casing ( 10 ) of the cartridge case ( 2 ) and its bottom or bottom piece ( 16 ) from the rest of the ammunition round ( 1 ) including its firing device ( 5 ) when the round ( 1 ) is stored and handled and, when the round ( 1 ) is used, from a barrel ( 14 ) of the weapon system, wherein the casing ( 10 ) of the cartridge case ( 2 ) comprises a load-bearing case shell ( 11 ) in the form of a cartridge case ( 2 ) manufactured from an electrically conductive metal of which at least one inner or outer coating, surface or layer ( 12 , 13 ) is of dielectric material for the electric insulation of the cartridge case ( 2 ) in relation to the barrel ( 14 ) and also to the rest of the ammunition round ( 1 ) including the firing device ( 5 ) and the ammunition round ( 1 ).