FIELD: tool for making relief ornament on article. SUBSTANCE: apparatus has pressure unit for making projections on article surface. Pressure unit has plates and knurling roll positioned between plates and provided with drive. Holder with pressure roll and slot and yoke with screw are mounted on plates. Screw is inserted into slot to adjust pressure applied to surface under working process by knurling roll. EFFECT: increased efficiency, simplified construction and improved quality of ornamental pattern. 2 dwg
Authors
Dates
1997-08-20—Published
1993-02-16—Filed