Device for eliminating the curl of sheets emerging from a fixing

Details Device for eliminating the curl of sheets emerging from a fixing Device for eliminating the curl of sheets emerging from a fixing

1991-11-06

1993-02-16

Grimley, A. T.

Photocopying

Contact printing

Light boxes

162271, 355285, G03G 1520

Patent

active

051875276

ABSTRACT:
An image is fixed to a sheet of paper, in an image reproducing machine in a fixing station (GF). This uses heat and pressure to fix the image. A pair of straightening rolls (24, 26) downstream of the fixing station apply tension to the sheets in the direction of advance and forward them in a direction which inclines by a predetermined angle of correction with respect to the direction (21) with which the sheets leave the fixing station. The straightening rolls form a nip (62) therebetween and this may extend around a portion of the periphery of one of the rolls such that sheets passing therethrough are bent in an opposite direction to their natural direction of curl.

REFERENCES:
patent: 4652110 (1987-03-01), Sato et al.
patent: 4933726 (1990-06-01), Moriyama

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