Patent ID: 7971619

Claim:
Stamping cylinder for applying a foil onto planar substrates, such as sheets of paper, wherein said stamping cylinder comprises at least a pit with clamping means for holding a stamping medium on said stamping cylinder, said stamping medium including at least a row of stamps distributed along the stamping medium, wherein said stamping medium has a cylindrical outer surface and is formed by a stamping plate or by stamping strips and wherein said stamping cylinder further includes at least a supporting piece forming a bridge over said pit to continuously and smoothly support a counter cylinder along the circumference of the stamping cylinder, wherein said supporting piece is mounted in said pit, wherein said supporting piece has a bottom concave surface, a first end and a second end, and wherein the first and second ends are disposed on opposite sides of the pit and wherein the bottom surface at both the first and second ends are in contact with the cylindrical outer surface of the stamping medium.