Patent ID: 7320744

Claim:
A multiple-nip calender comprising: a set of rolls having an upper roll, a lower roll, and a plurality of rolls between the upper roll and the lower roll, each of the plurality of rolls defining a first nip and a second nip on opposite sides of the roll, the first and second nips formed with adjacent rolls of said set of rolls; a fiber web passing through the nips; a pocket formed by the fiber web extending from the first nip of one of the plurality of rolls, to the second nip of said one of the plurality of rolls; a roll means for damping a portion of the web extending from a first guide roll to a second guide roll of the roll means, the roll means disposed in the pocket and having a damping unit arranged to spray water on the portion of the web extending from the first guide roll to the second guide roll of the roll means, the first guide roll and the second guide roll arranged to guide the fiber web relative to the damping unit.