Heat treatment device for printing form

Details Heat treatment device for printing form Heat treatment device for printing form

1995-11-03

1997-05-27

Rutledge, D.

Photography

Fluid-treating apparatus

Heating, cooling, or temperature detecting

396579, 396612, G03D 700, G03D 1300

Patent

active

056341660

ABSTRACT:
A heat treatment device for a printing form in which the contact of the printing form with a heating plate can be made more complete to achieve heat development reproducing complete images. The device comprises a heating means for surface heating the photosensitive planographic printing form having a metal support and continuous belt for covering the whole printing form to hold it between a continuous belt and the heating means and heating the printing form while transferring it along the continuous belt. The heat treatment device further comprises at least one tension roller for increasing the pressure on the continuous belt at a central portion of the printing form to laterally distribute the pressure.

REFERENCES:
patent: 3781902 (1973-12-01), Shim et al.
patent: 4975716 (1990-12-01), Hara et al.
patent: 5196675 (1993-03-01), Suzuki et al.

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