FIELD: medical engineering. SUBSTANCE: method involves cutting longitudinally profiled ribbon along a broken line. The steel ribbon has width equal to scarifying unit width. The broken line has shape giving the ribbon a property of having 2/3 of the ribbon to be in perpendicular relation to the ribbon edge and then shows angle of 110-120 deg. EFFECT: simplified production process; reduced waste materials amount. 2 cl, 2 dwg
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