UNIVERSAL STAND FOR TUBE SHAPING Russian patent published in 2007 - IPC B21C37/06 

FIELD: plastic metal working, namely equipment for making shaped tubes.

SUBSTANCE: universal stand for shaping tubes includes rolls with barrels forming closed roll grooved pass and having axes laying in the same diametrical plane. Said rolls are mounted in supporting chocks with possibility of changing cross section area of roll grooved pass. Two drive horizontal rolls with cone barrels and one vertical roll with cylindrical barrel (shaft of vertical roll is mounted in horizontal members of C-shaped support) restrict roll grooved pass with cross section in the form of equilateral triangle. Lower horizontal roll has rigidly mounted shaft; upper roll and vertical roll are mounted with possibility of motion in said diametrical plane in horizontal and in vertical directions.

EFFECT: lowered consumption of rolls, reduced cost of manufacturing process.

1 dwg, 1 ex