B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
B65B 13/02 (2006.01) B65B 13/04 (2006.01) B65B 13/16 (2006.01) B65B 13/32 (2006.01) B65B 51/22 (2006.01)
Patent
CA 2101511
ABSTRACT OF THE DISCLOSURE A machine for strapping packages having a package table possessing a slot in the strapping plane through which a strapping material may pass; a strap wrap-around device possessing a gripper consisting of an upper part and a lower part which in its starting position grips the leading section of the strapping material below the package table, and then rotates around the package in the strapping plane, at the same time withdrawing the strapping material from a roll, and then returns to its starting position; a tensioning device which tensions the loop formed by the strapping material around the package; a sealing device which bonds or welds together overlapping sections of the loop, and which consists of an anvil plate slidingly arranged immediately beneath the package in the overlapping zone of the loop, and of a sealing head which can be moved against the overlapping sections and the anvil plate; a first clamp which holds the leading section of the loop close to the end of the anvil plate facing towards the strapping feed-in point; a second clamp which holds the rear section of the loop close to the end of the anvil plate facing away from the feed-in point of the strapping material; a cutting device, which severs the loop from - 2 - the strapping material once the gripper has gripped the leading section for the subsequent loop, characterized in that the first clamp is arranged at the same height as the anvil plate and below this clamp and above the gripper in its end and starting position, a pusher is arranged which pushes the leading section of the loop below the underside of the anvil plate after the clamp has closed and the gripper has opened, the said pusher device being retractable to its starting position before the sealing head moves upwards, and further characterized in that the feed-in point of the strapping material is arranged on a level higher than the underside of the upper part of the gripper in its starting position, and after the clamp has closed the lower part of the gripper can be moved out of the strapping plane and, before the sealing head and the movable blade move upwards, the lower part of the gripper can be moved back into the strapping plane to grip the leading edge of the subsequent loop.
Borden Ladner Gervais Llp
Maschinenfabrik Gerd Mosca Gmbh
LandOfFree
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