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ROLL CORRUGATION Disclosure Number: IPCOM000023879D
Original Publication Date: 1979-Apr-30
Included in the Prior Art Database: 2004-Apr-01

Publishing Venue

Xerox Disclosure Journal


In many areas of copier/duplicator machines, it becomes desirable to corrugate sheet material for various reasons. A method of corrugation is disclosed that includes corrugation as an inherent part of a transportation nip. The method comprises the steps of supporting a hard roll adjacent a soft roll with the soft roll having a slightly greater width than the hard roll and placing the hard roll in contact with the soft roll in order to slightly deform the soft rolL The degree of deformation depends on the difference in width between the hard and soft rolls, the amount of interference and the soft roll material. This deforming produces corrugation of sheets passing through the nip formed between the two rolls. The same effect is obtainable by replacing the soft roll with a second hard roll formed to the deformed contour of the soft roll,