FIELD: rolling production. SUBSTANCE: apparatus has electrical drive for roll rotation and electrical drive for linear motion of nozzle, programming unit, position detector, nozzle linear motion electrical drive starting button, button of setting in initial position, first and second registers, time duration holding members unit, first, second and third "OR" gates, "AND" gate, first and second units of "AND" gates, trigger, univibrator. EFFECT: increased productivity. 2 dwg
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