DEVICE FOR SUPPORTING MINE WORKINGS Russian patent published in 1994 - IPC

Abstract RU 2014465 C1

FIELD: mining industry. SUBSTANCE: device comprises injection tube and rigid rod whose end located in near-face part of hole carries extensions protruding beyond rod end. Secured to extensions at both ends are weighing and protective plates (the latter being disposed at the side of hole face). Injection tube is brought up to protective plate. EFFECT: improved design. 8 dwg

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RU 2 014 465 C1

Authors

Zhukov V.N.

Dates

1994-06-15—Published

1991-01-18—Filed