Hot stamping cylinder
AssigneeGallus Ferd Ruesch AG
InventorRobert Nikolaus Roos
Life of this patent
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Abstract
The hot stamping cylinder (1) is provided with a heating system which consists of a heating foil (3) which is arranged on the inner wall of the cylinder (1), enabling extraordinarily quick heating and cooling times. In addition to actually heating the surface of the cylinder and the annular or sleeve-type stamping tools (10) placed thereon, the latter are clamped by thermal expansion in said adjusted position.
Claims17
Hot stamping cylinder, with a heating system located in a cylinder hollow space, the heating system comprising a heating foil arranged at an inner wall of the cylinder, the heating foil being foreseen as a heater and being designed in such a manner, that heating output of the heater in the area of cylinder ends is higher than in the area between the same.
Dependencies are inferred from the claim text.