Patent ID: 6782933
Filing Date: 2004-08-31
Classification: B31F,Y10S,Y10T

Abstract:
A single facer apparatus for the production of a single face web from a corrugated medium web and a liner web, said apparatus comprising:a rotatable turret carrying at least two independently rotatable large diameter fluted bonding rolls on parallel rotational axes; a positioning device operable to rotate the turret to place one of the bonding rolls into an operative position; a storage device carrying at least two small diameter fluted corrugating rolls in a storage position offset laterally, from the turret and the bonding rolls; a transfer device operable to move a corrugating roll axially from the storage device into an operating position adjacent the bonding roll in the operative position; and, a corrugating roll support device to rotatably support the corrugating roll, said support device including a pair of stub shafts in engagement with the opposite ends of the operative small diameter corrugating roll on the axis thereof, at least one of said stub shafts being separable from and movable axially and radially out engagement with an end of the operative corrugating roll, and a pressure belt arrangement operative to hold the small diameter corrugating roll in nipping engagement with the operative large diameter roll; and, a drive arrangement operatively connected to said support device to transmit driving rotation to the operative corrugating roll.