Device for remoistening a web of printed material

Details Device for remoistening a web of printed material Device for remoistening a web of printed material

1997-04-17

1998-09-29

Burr, Edgar S.

Printing

Planographic

Dampeners

1011325, B41L 2300

Patent

active

058133321

ABSTRACT:
In a remoistening device for remoistening a freshly printed and dried web of printed material has a housing through which the web of printed material runs. The remoistening device is a disposed downstream from a dryer, preferably in the area between the dryer and a cooling device. The remoistening device is provided with an inlet and outlet slot, in which spray nozzles, which are arranged above and underneath the conveyance plane of the web of printed material and which can be supplied with a moistening agent, are provided. It is possible to achieve a high degree of freedom from trouble and soiling is achieved in that drip catchers are arranged at the lower edges of the walls of the upper housing area of the remoistening device which cross an conveyance plane of the web of printed material. The liquid resulting in the drip catchers and in the lower housing area of the remoistening device can be removed, and that air squeegee devices, which can be charged with compressed air and are situated across from each other with respect to the conveyance plane of the web of printed material, are provided at least in the area of the outlet slot.

REFERENCES:
patent: 2299026 (1942-10-01), Merrill
patent: 4852492 (1989-08-01), Pfizenmaier
patent: 5040457 (1991-08-01), Lin
patent: 5184555 (1993-02-01), Quadracci et al.
patent: 5217065 (1993-06-01), Green et al.
patent: 5303652 (1994-04-01), Gasparrini et al.

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