Method of and assembly for lapping consecutive sheets of web...

Details Method of and assembly for lapping consecutive sheets of web... Method of and assembly for lapping consecutive sheets of web...

2004-09-29

2008-08-05

Bollinger, David H (Department: 3653)

Sheet feeding or delivering

Feeding

By means to convey sheet

C271S276000, C271S182000, C271S314000

Reexamination Certificate

active

07407161

ABSTRACT:
A mechanism for offsetting or overlapping successive sheets of material in an interfolding machine includes a bed roll rotating at a first speed and a retard roll rotating at a slower, second speed and positioned adjacent the bed roll. As successive sheets are transferred from the bed roll to the retard roll, the sheets are engaged by a nip roller assembly positioned adjacent the retard roll and forming a nip through which the sheets pass. The retard roller forms a deflection or bubble in the individual sheet passing through the nip, which enables a successive sheet to be positioned beneath the previous sheet, thereby forming the overlap of the successive sheet with the previous sheet.

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