CONTINUOUS MANDREL MILL Russian patent published in 1995 - IPC

FIELD: lengthwise rolling of tubes. SUBSTANCE: a rolling mill for elongation rolling of hollow products with use of a mandrel includes at least one main deforming stand with universal arrangement of rolls, provided by controllable rolls. A double-roll final rolling stand is mounted behind the main deforming stand. If it is necessary, a drive stand may be mounted before the main deforming stand. That allows to decrease at most a number of stands of the rolling mill without lowering of quality of products, being rolled. EFFECT: lowered number of stands of rolling mill. 1 cl, 2 dwg