Patent ID: 7805911
Filing Date: 2010-10-05
Classification: B31B,B65B

Abstract:
1. A covering machine for applying a covering sheet onto a packing box, said machine comprising: (a) a first pressure element defining a first edge of a covering cavity for receiving a box coupled to a covering sheet, (b) vertical stroke means for moving the box and the respective sheet into the cavity, said vertical stroke means comprising (1) a mould having external dimensions corresponding to internal dimensions of the box and (2) an arm coupled to and extending upward from the mould, said arm having a lower end, said mould being configured to be inserted into the box, (c) first means for moving the first pressure element horizontally a predetermined distance towards a path of the box effective to permit the covering sheet to be pressed against a first vertical wall of the box by the first pressure element along with downward movement of the box, and (d) second means for moving the first pressure element horizontally a predetermined distance away from the box after the first pressure element has finished pressing the covering sheet against the first vertical wall of the box but before the lower end of the arm passes the first pressure element as the lower end of the arm continues downward past the first pressure element, so that the first pressure element will not interfere with the lower end of the arm when the lower end of the arm extends horizontally beyond the first vertical wall of the box towards the first pressure element, said second means for moving being distinct from said first means for moving.