DRILLING RIG FOR STRONGEST ROCKS Russian patent published in 1997 - IPC

Abstract RU 2085695 C1

FIELD: mining industry. SUBSTANCE: drilling rig has base and mounted on it is rod feed mechanism. Installed on end of rod is flame-jet oxygen burner. Located on rod are pipe unions for supplying burner with fuel components and cooling liquid. Base of drilling rig is made so that drilling rig can be used as hand-carried tool or can be mounted on some undercarriage. EFFECT: high efficiency. 4 cl, 4 dwg

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RU 2 085 695 C1

Authors

Kartashov V.P.

Dates

1997-07-27—Published

1994-01-19—Filed