| 摘要 |
<p>An apparatus and process for forming a rolled tab (20) on a roll of plastic film (10) including a trunion roller-type conveyor apparatus (50) and a traction device (30) having a tractional surface wherein a roll of plastic film contacts the traction device such that the leading edge (18) of the roll of plastic film is grabbed and rolled back to form a rolled tab for the roll of film when a roll of plastic film comes in rotational contact with the traction device.</p> |
