Patent ID: 7424903

Claim:
A foil web installation ( 2 ) for a flat bed embossing machine ( 1 ), comprising the combination of an embossing table ( 3 ) on a flat bed press ( 4 ) and foil webs ( 6 ), having an image layer side ( 6 a ) and a back side, which from unwinding rolls ( 7 ) are guided over the embossing table ( 3 ) with a foil tensioning device ahead of the embossing table and with foil feeding devices ( 9 ) for several foil webs after the embossing table for rapid intermittent advancing the foil webs to a next embossing position in an embossing-free phase of an embossing cycle, wherein between the unwinding rolls ( 7 ) and the embossing table ( 3 ) at least one flat braking—and guiding wall ( 10 ) is provided as foil tensioning device, directly ahead of the embossing table for providing a positioning and an adjustable tensile stress in the foil webs on the embossing table during the whole intermittent embossing cycle and wherein over the whole length of the foil web installation up to the embossing table ( 3 ) the foil webs are only contacted on their back side by guiding elements and by the braking—and guiding wall ( 10 ), so that the image layer side ( 6 a ) of the foil webs nowhere is contacted and wherein the braking—and guiding wall ( 10 ) comprises a supporting layer ( 11 ) with suction openings ( 14 ) and a cloth-like contacting layer ( 12 ) permeable to air, lying on the supporting layer ( 11 ) and attached to it, and an assigned, adjustable vacuum source ( 13 ).