FIELD: mining industry. SUBSTANCE: complex includes drive of flexible working element with cutting tool and guarding fixture manufactured in the form of flexible through to which convex part rigid beam is fixed on side of face along entire height. Ends of beam are joined with the aid of couplings to flexible working element. EFFECT: improved excavation efficiency. 2 dwg
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Authors
Dates
1996-04-10—Published
1993-04-06—Filed