Draw bench for producing cylindrical tubular items by drawing

A drawbench, comprising:

• a bed;
• bed guides;
• a case with a die mounted on said bed to effect the deformation of a tubular item which is being drawn through the die;
• a device for drawing the item through the die consisting of a carriage set up in said bed guides on the exit side of the die, a drive for said carriage, and a chuck with jaws for gripping the item mounted on said carriage, said chuck being axially aligned with said die;
• a device for imparting to the item a torsional moment mounted in the carriage and being linked mechanically by means of a chain and sprocket with said chuck;
• and a device for restricting the item from torsional moment positioned on said bed in generally close proximity to the die entry, a pair of toggle-like mounted rollers having grooves to hold said item, whereby a satisfactory rectilinearity of the item is obtained, and consisting of a casing accommodating the case with a die mounted so as to be movable along the axis of the die, spring-biased rods articulated with the case, and said pair of rollers arranged at the die entry, spaced from each other to provide a passage therebetween for the item, and holding the item to prevent any torsional moment.