Hoechst Aktiengesellschaft

Hoechst Celanese Corporation

Arthur E Procter

Stephan J Platzer

Guenter Hultzsch

Hans Heist

Martin Stork

Thomas A Dunder

An apparatus for peeling-off a film from a laminate, the laminate including the film and a carrier material upon which the film is laminated. The apparatus includes a horizontal base plate, and a platform having an upper portion and a lower portion, a front side, and a transverse gap which divides the upper portion from the lower portion. The platform is inclined relative to the horizontal base plate at a vertical to horizontal ratio of .ltoreq.10:1 and the laminate is guided over the platform. The apparatus also includes a separating apparatus which is disposed proximate to the transverse gap at a distance from and parallel to the front side of the platform.

Apparatus for peeling-off a film laminated on a carrier material

This invention relates to a method for forming a colored image on a degradable sheet material. As a result, a negative- or positive-working color proofing sheet can be produced on a variety of printing paper stocks. Upon exposure to an actinic radiation source through a screened image and development, it can accurately reproduce the image on the degradable sheet. The construction is useful as a color proof which can be employed to accurately predict the image quality from a lithographic printing process on a variety of printing surfaces.

Colored image on a degradable sheet material and method of formation

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Long Valley, NJ, United States of America

Arthur E Procter