FIELD: breaking of bast stems to prepare them for scutching. SUBSTANCE: installed on shaft at some intervals are discs with bushings between them. Discs are made with holes similar in shape to shaft cross-section. Made on disc edges are one-sided bends spaced uniformly over circumference. EFFECT: higher efficiency of stem breaking, improved conditions of pulling-in the stems, reduced labor input in manufacture of rolls. 3 dwg
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