device for unkenntlichmachen of text at once farbbändern usable for writing and similar machines

摘要

the invention concerns a method for by mechanical means in a cinema for a typewriter ribbon, the ribbon on the selected text unreadable to make, as well as a device for implementation of the procedure. in the ribbon are warzenartige deformation in a fine grid as appropriate by the schriftzeichenabdrucke destroy.a device for fitting are two together against spring-loaded, antreibbare roles, of which the one and the other corresponding depressions or protrusions. this allows the ribbon when it between the rollers hindurchbewegt is deformed. the roles in the farbbandkassette or in e.g. typewriter arranged.they are as close as possible to the abdruckstelle lie on the ribbon, the selected text to a short distance after her unreadable can do. the drive of the rolls have to be fed in the ribbon.