Method of forming a new pile after discharge of a completed...

Details Method of forming a new pile after discharge of a completed... Method of forming a new pile after discharge of a completed...

B - Operations, Transporting

65

H

271/9

B65H 39/04 (2006.01) B65H 45/101 (2006.01)

Patent

CA 2011953

ABSTRACT OF THE DISCLOSURE A method of forming a new pile after the discharge of a completed pile in a machine for forming piles in zigzag fashion from a flexible web, the method consisting in rupturing the web at a transverse perforation line located between the last flap of the pile being formed and the first flap of the new pile to be formed, advancing the ruptured web until the forward edge of the first flap reaches a position corresponding to its final position at the base of a new pile, stopping the swinging unit, lowering the supporting table for discharge of the completed pile and providing a pressure air cushion underneath the zone of the forward edge of the first flap which forms a temporary support during the absence of the supporting table, removing the temporary supporting cushion when the table has returned to its working position and restarting the operation of the swinging unit.

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