SET OF ROLLED METAL COLD CUTTING SCISSORS KNIVES Russian patent published in 2008 - IPC B23D35/00 B23D15/00 

FIELD: technological processes.

SUBSTANCE: set contains a pair of knives in the form of straight parallelepipeds with working surfaces of rectangular form. Knives are fixed with the possibility of opposite movement with gap between their vertical facets. Working surface of one of the knives is arranged with bevel at the side that faces another knife. Bevel forms angle of 4-10° with working surface plane. At that width of bevel does not exceed 70% from width of knife working surface. Gap between vertical facets of knives makes 0.1-0.6 mm.

EFFECT: quality of rolled metal cutting as well as knives resistance are increased.

2 cl, 3 dwg, 1 tbl