摘要 |
Jet spiral perforator that includes perforator head, connection element attached to it, as connected with connector spiral strips on which jet charges with detonating fuse are fixed, blast cartridge. Strips are made by means of winding to cylindrical rim of strips made of strong plastic material able to undergo fine-fragmentation destruction under effect of products of explosion, with openings with bushings installed there, with inner threading for fixation of jet charges. |