| 摘要 |
<p>"AN APPARATUS FOR WRAPPING PAPER REAMS AND THE LIKE IN SHEETS CUT OFF A CONTINUOUS PACKING WEB AS FOR ADJUSTING THE SIZE OF SUCH SHEETS ACCORDING TO THE REAM SIZE" of the disclosure The apparatus comprises a ream conveyor, two chains means for driving the chains such that those portions thereof which are adjacent the conveyor outlet end are moving upwards from below. Means are provided to guide the packing web material. Locking members are provided to selectively retain the packing web material. A blade or cutting edge is provided for cutting across the web material when the latter is retained by the locking members. Switch members are displaced along the chain path and actuated by elements integral with the chains. The elements are adapted to control the chain drive means in order to stop the chains when a predetermined length of web material has been unwound, then to determine the releasing mode thereof, and to allow the web material stretching along a vertical wall. Pad means are provided for holding the packing web material termination against a vertical wall.</p> |
