| 摘要 |
<p>PCT No. PCT/DK95/00187 Sec. 371 Date Nov. 12, 1996 Sec. 102(e) Date Nov. 12, 1996 PCT Filed May 11, 1995 PCT Pub. No. WO95/31373 PCT Pub. Date Nov. 23, 1995An apparatus for attaching a plastic wrapping sheet to a composite product formed of a plastic core tube having a web-shaped material wrapped therearound, the plastic wrapping sheet surrounding the composite product so that an end portion extends beyond an end of the composite product, the apparatus including twin closing yokes which are movable towards one another to gather the end portion together, a cylindrical welding head for welding the gathered end portion to the end of the core tube, and a rotatable cutting bead for removing free excess plastic wrapping sheet from within the core tube.</p> |
