| 摘要 |
<p>A web handling method, including a method of threading a web of plastic film onto a windup roll and winding it thereon, including the steps of moving the web continuously from a supply source along a first path by first moving means; slitting the web with web slitters as it moves in the first path to form a leader strip; cutting the leader strip and diverting it into a second moving means including at least one pneumatic strip transport tube positioned adjacent the first path; moving the strip in a second path through the tube by the second moving means; pulling the strip from the tube through a slot therein and into a third path defined by process rolls by third moving means; moving the strip in the third path by the third moving means and into operative relationship with a windup roll; expanding the strip to form the web; moving the web in the third path by the third moving means and into operative relationship with the windup roll; cutting the web and transferring it to the windup roll; and, winding the web onto the windup roll.</p> |
