Blasting cartridges

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F42Ammunition F42BEXPLOSIVE CHARGES

F42B3/00Blasting cartridges

F42B3/003Liquid-oxygen cartridges F42B3/006Explosive bolts; Explosive actuators F42B3/02adapted to be united into assemblies F42B3/04for producing gas under pressure F42B3/045Hybrid systems with previously pressurised gas using blasting to increase the pressure F42B3/06with re-utilisable case F42B3/08with cavities in the charge F42B3/087Flexible or deformable blasting cartridges F42B3/093in mat or tape form F42B3/10Initiators therefor F42B3/103Mounting initiator heads in initiators Sealing-plugs F42B3/107Sealing-plugs characterised by the material used F42B3/11characterised by the material used F42B3/113activated by optical means F42B3/117activated by friction F42B3/12Bridge initiators F42B3/121Initiators with incorporated integrated circuit F42B3/122Programmable electronic delay initiators F42B3/124characterised by the configuration or material of the bridge F42B3/125characterised by the configuration of the bridge initiator case F42B3/127the case having burst direction defining elements F42B3/128characterised by the composition of the pyrotechnic material F42B3/13with semiconductive bridge F42B3/14Spark initiators F42B3/16Pyrotechnic delay initiators F42B3/18Safety initiators resistant to premature firing by static electricity or stray currents F42B3/182having shunting means F42B3/185having semi-conductive means F42B3/188having radio-frequency filters F42B3/192designed for neutralisation on contact with water F42B3/195Manufacture F42B3/198of electric initiator heads e.g., testing, machines F42B3/22Elements for controlling or guiding the detonation wave F42B3/24Cartridge closures or seals F42B3/26Arrangements for mounting initiators Accessories therefor F42B3/28Cartridge cases characterised by the material used