摘要 |
This invention concerns a high speed rolling block (17) which comprises two groups of units (10-11) synchronized with each other, the units being arranged alternately, each with its axis perpendicular to the axis of the neighbouring unit, in which block (17) each group of units (10-11) is driven by its own motive shaft (20-25) substantially parallel to the axes of the units belonging to the respective group (10-11) thus driven. |