ELECTRIC EXPLOSIVE CARTRIDGE FOR PIPES PRESSING ON Russian patent published in 1996 - IPC

FIELD: production of electric explosive cartridges for pipes pressing on. SUBSTANCE: 1. Electric explosive cartridge for pipes pressing on has body made of shell and tail end, cavities of which are communicating to each other and filled with conducting medium; and also current conducting members mounted in contact with electrode. Electric explosive cartridge differs from other by the fact, that to increase stability and efficiency of pipes pressing on shell is made with easily deformed walls and at least part of tail end is made so, that to be capable for axial motion under action of electrode. 2. Electric explosive cartridge is corresponding to point 1 and differs by the fact, that its tail end is made as bellows. 3. Electric explosive cartridge is corresponding to point 1 and differs by the fact, that its tail end is made as cylinder with bottom in the form of piston. EFFECT: increased stability and efficiency of pipes pressing on. 2 dwg