SUSPENDED BOREHOLE TAMPING Russian patent published in 2021 - IPC F42D1/08 F42D1/18 

FIELD: mining industry.

SUBSTANCE: invention relates to mining, to the field of drilling and blasting operations in rocks, it can be used in various industries that use blasting operations in rock massifs, in particular in the development of minerals with the open method. Suspended borehole tamping includes a support structure, which dimensions exceed the diameter of the wellhead, and a suspended part placed on it on a flexible connection, made of rubber-containing material, connected by an additional flexible connection. The suspended part is made in the form of a cylinder consisting of a longitudinally twisted part of the tread of a used car tire, the diameter of which is corresponding with the diameter of the well.

EFFECT: technical result is simplifying the design and increasing the quality of rock crushing by increasing the locking effect in the well.

1 cl, 2 dwg