Patent ID: 6503074
Filing Date: 2003-01-07
Classification: B29C,B29L,B41F

Abstract:
A clamping cylinder for receiving and fixing a cylindrical stamping mold with a structured surface, for the production of holograms, comprising an outer cylinder casing which is closed by a frontal cover and mounted on a shaft,wherein the cylinder casing (1) is provided with a plurality of bores (23, 23â€²) which are connected with compressed air lines (22) that lead through the interior of the cylinder casing (1) and are connectable to a compressed air source for elastically expanding the cylindrical stamping mold to determine or correct a position thereof; wherein, inside the cylinder casing (1), a cavity (13) is provided for a temperature control medium, which circulates via inlets and outlets (6, 6a, 8); wherein the compressed air lines (22) pass through the cavity (13) for the temperature control medium; and wherein means for supplying compressed air comprise distributing lines (21) formed in a cover (2) that closes the cylinder casing (1).