Moistening arrangement of multiple-nip calender

Details Moistening arrangement of multiple-nip calender Moistening arrangement of multiple-nip calender

2008-01-22

2008-01-22

Hug, Eric (Department: 1731)

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

C162S205000, C162S207000, C100S075000

Reexamination Certificate

active

07320744

ABSTRACT:
A multiple-nip calender has a set of rolls (2) with roll nips (N) between the rolls. A moistening arrangement has a roll means (3) for moistening the fibre web comprising a damping unit (33) and rolls (32) guiding the fibre web (W). The roll means is located in a pocket (7) adjacent to the line (L) of the aligned set of rolls, the pocket being formed by a space defined by the fibre web (W), one idle roll (5) in the set of rolls and said roll means (3), the fibre web contacting said roll at two locations, in roll nips located on opposite sides of the roll mantle when viewed from the longitudinal axis of the roll, and circulating around the roll means (3). The fibre web (W) contacts said roll in the set of rolls preferably in the roll nip immediately preceding a reversing nip (N;N3).

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International Preliminary Examination Report issued in PCT/FI03/00852, Aug. 16, 2004.
International Search Report issued in PCT/FI03/00852, Mar. 11, 2004.

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