Apparatus for drying a wet copy sheet in a copier

Details Apparatus for drying a wet copy sheet in a copier Apparatus for drying a wet copy sheet in a copier

1974-09-24

1976-05-18

Hix, L. T.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

34 68, 34160, 219216, 219388, 432230, G03G 1522

Patent

active

039573699

ABSTRACT:
In an electrostatic copier of the type which utilizes a liquid developer for developing an electrostatic latent image formed on a copy sheet as a result of which the copy sheet becomes wet, there is provided improved apparatus for drying the wet copy sheet. The drying apparatus includes a movable belt, made of a strip of imperforate heat conductive material, for transporting the wet copy sheet in a predetermined path of travel through the drying station of the copier. The drying apparatus also includes a cover for deflecting air which is normally utilized for drying purposes, away from a portion of the belt so as to form first and second drying regions in the path of travel of the wet copy sheet. The drying apparatus additionally includes means for heating the moving belt at the first drying region, for urging liquid developer carried by the wet copy sheet towards the surface of the same which is disposed out of contact with the moving belt. Whereupon, air directed to the second drying region is sufficient to evaporate the liquid developer from the heated copy sheet, thereby drying the same.

REFERENCES:
patent: 3432639 (1969-03-01), Hull et al.
patent: 3677635 (1972-07-01), Van Auken et al.
patent: 3804516 (1974-04-01), De Mott
patent: 3810735 (1974-05-01), Moser
patent: 3826892 (1974-07-01), Draugelis et al.

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