ROD Russian patent published in 1999 - IPC

FIELD: manufacture of metallic products, for example by rolling, drawing, extrusion or powder metallurgy, possibly for metallic structures (including plastic shock absorbers) used in building, machine engineering and other industry branches. SUBSTANCE: rod includes in cross section line of section boundary, at least a part of section boundary line is in the form of fragment of oblique cone section of straight round cone. It provides constructionally involved change of linear dimension of rod section at shaping operations. EFFECT: enhanced technological effectiveness and lowered material consumption at making articles of such rod. 13 cl, 13 dwg