Developing device for printing plates
AssigneeHoechst Aktiengesellschaft
InventorsHerbert Schroter, Alexander Planz
Life of this patent
Estimating the term…
Abstract
This invention relates to a developing device for printing plates comprising a developing chamber, rotatable printing plate support means in said chamber, spray nozzle means directed at said printing plate support means, vertically reciprocatable rotatable brush means mounted above said printing plate support means, means for supplying fluid to said spray nozzle means, and means for actuating said printing plate support means and said brush means.
Claims4
A developing device for printing plates comprising a developing chamber, rotatable printing plate support means in said chamber, vertically reciprocatable rotatable brush means mounted above said printing plate support means, spray nozzle means directed at said printing plate support means, means for supplying fluid to said spray nozzle means,
- said brush means being adapted to be lowered onto a surface of a printing plate fixed on the support means for treating said printing plate with fluid from spray nozzle means and said brush means being adapted to be lifted from said surface for centrifuging the fluid from the brushes,
- and at least one variable-speed electric motor means for actuating said printing plate support means and said brush means, said electric motor means being actuated at a relatively high speed when said brush means is lifted from said surface of said printing plate.
Dependencies are inferred from the claim text.