Patent ID: 6874396

Claim:
A web processing system having at least a web slitting device for slitting a wider web into a plurality of narrower webs, said web slitting device comprising: a rotary blade assembly for slitting a wider web which is being fed, along the direction of feed into a plurality of narrower webs; and side edge delivery means for delivering side edges produced from said wider web when the wider web is slit into said narrower webs; said side edge delivery means comprising: a side edge delivery roller rotatable in a direction to deliver the side edges; a nip roller rotatable with said side edge delivery roller while gripping the side edges between said side edge delivery roller and said nip roller; and a nip roller pressing mechanism for pressing said nip roller against said side edge delivery roller under a predetermined pressure to adjustably control a tension applied to said side edges based on a tension applied to said narrower webs; said side edge delivery roller being rotatable at a peripheral speed higher than a peripheral speed of said rotary blade assembly.