| 摘要 |
A machine comprising a tool-holder head (12) carrying a plurality of rollers (22) each having a curling groove (23), the rollers having their axes approximately coplanar and cutting the axis of rotation (13) of the tool-holder head at the same point. The arrangement of rollers makes it possible to form a curl of small diameter at the end of a cylindrical element such as a can body. <IMAGE> |
