VIBRO-DRIVING ANCHOR (VIBROZAN) Russian patent published in 2009 - IPC E21D21/00 E21D20/00 

FIELD: mining engineering.

SUBSTANCE: invention relates to mining industry and is provided for anchoring of mine openings. For it in fixed rocks it is drilled borehole, it is sent to borehole bottomhole bearing element of head locker of anchor in the form of bush with central opening and bell guide during the process of filling of borehole by binding, and wedging of anchor bar in bearing element of head locker is implemented by means of vibro-drive tool, which so far as anchor driving provides vibration of binding in clearance between walls of borehole and anchor bar.

EFFECT: improvement of operating characteristics and range of application expansion of ferroconcrete anchors.

6 cl, 2 dwg