Apparatus for testing the color separations of a multicolor print

US5168752A · kind A · utility

Assignees

• Windmöller & Hölscher KG · DE
• Du Pont de Nemours and Company · US

Inventors

• Herbert Konermann · Lengerich, DE
• Helmut G. Sandner · Long Branch, US

Key dates

• Filing date: May 16, 1991
• Grant date: Dec 8, 1992
• Expiry date: May 16, 2011

Classification

• Technology area (CPC G): Physics
• CPC primary: G03F3/102
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

The invention refers to an apparatus for testing the color separations of a multicolor print, comprising a pair of press rollers being mounted in a frame and constituted by rollers which can be lifted off each other, through the roller gap of which an image-bearing element consisting of a support foil with an exposed, photosensitive layer, with a color foil, consisting of a color-bearing foil with a color layer, being placed on this element, is fed such that portions of the color layer adhere to the tacky areas of the image-bearing element. For the solution of this problem to provide an apparatus of the kind by which the testing of the color separations of a multicolor print can be carried out in a simple and rapid manner, a movable frame is provided in which a plurality of pairs of roll bearings for rolls to be unwound and wound up are mounted. A roll bearing for each pair of rolls allows a roll of a color foil web to be loaded, and the color foil web can be wound up on a roll carried in the other roll bearing. The web section of the color foil web between the rolls of a pair of roll bearings runs in between the press rollers of the pair of press rollers.