FIELD: plastic metal working, namely manufacture of non-rigid articles with cross section and wedge lengthwise section. SUBSTANCE: method comprises steps of rolling blank in non-driven rolls with square pass for making doubled stepped rolled piece whose cross section area reduces from its ends to mean portion; separating said piece by two parts, rolling said parts in rolls, for example with oval pass; radially moving said rolls by value corresponding to lengthwise movement of blank performing reciprocation motion. EFFECT: enhanced efficiency. 3 dwg
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Authors
Dates
1998-01-27—Published
1996-02-19—Filed