A device for the obtaining of negative and positive films or films, for their use in graphic arts. (Machine-translation by Google Translate, not legally binding)

摘要

A procedure for obtaining clichºs or films, negative and positive, for use in graphic arts, characterized by the provision of a support plate or plate containing a photographic theme in all its details and colors on which it is resting one or more sheets of waterproof and transparent nature such as for example of cellulose acetate and in this plate or transparent plates is designed or "spot" conveniently contoured the figure or figures to be arranged on the photographic motif and as far as colors are concerned, and as a next phase and top of the set, provision is made for the total of surfaces obtained from a new and unique plate on which is projected the detailed linear silhouetting of the motifs or figures that are on it and that previously would have proceeded to his "stained" polychrome, being able to add any other independent reason, being ready the plates for the reproduction of gravure or photomechanical with a view to obtaining the clichºs or films, positive or negative, and in said reproduction, the last plate, which contains the detailed linear silhouetting, is selected independently of the others, and the aforementioned clichºs have been obtained or films, the normal printing process can already be carried out with them. (Machine-translation by Google Translate, not legally binding)