FIELD: soil or rock drilling; mining.
SUBSTANCE: group of inventions refers to explosive devices for underground wells and, in particular, to borehole punchers. According to one aspect of invention, deformable element configured for use in ballistic transmission module is provided. Ballistic transmission module contains deformable element, detonation retransfer holder, detonation transponder and detonating cord. Method is also provided for driving one or more impact initiators of borehole punch unit using ballistic transmission module and deformation of deformable element.
EFFECT: technical result is increase in reliability of operation of impact initiators in borehole punchers.
18 cl, 5 dwg
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