DISPOSABLE CARTRIDGE FOR PIPES ELECTRICAL HYDRAULIC PULSE EXPANSION Russian patent published in 1996 - IPC

FIELD: production of disposable cartridge for pipes electrical hydraulic pulse expansion. SUBSTANCE: disposable cartridge for pipes electrical hydraulic pulse expansion has dielectric body filled with water, explosive member. The cartridge differs from others by the fact, that to mechanize and simplify process of cartridge production and to increase quality of pipes expansion dielectric body has mounted in it bush made of hygroscopic material, for example, filtering paper, with centering hole to insert explosive wire. EFFECT: simplified process, increased quality of pipes expansion. 1 dwg