Patent ID: 7077062

Claim:
A sleeve-like form for mounting on one of a printing cylinder and a transfer cylinder, the one of a printing cylinder and a transfer cylinder including a cylinder core and one of a film coating or a thin intermediate sleeve surrounding the cylinder core for facilitating mounting of said form, said form comprising a support sleeve made of a rectangular metal sheet having opposite edges which are joined together at a welded seam, said support sleeve having an inner circumference, a pair of longitudinal ends, and a chamfer all round the inner circumference at at least one of said longitudinal ends, said support sleeve being designed to be expanded by compressed air as it is pushed over the one of a film coating or a thin intermediate sleeve surrounding the cylinder core, wherein edges of said chamfer are deburred and said chamfer is arranged and dimensioned such that damage to the one of a film coating or a thin intermediate sleeve by said chamfer and said edges of said chamfer when said support sleeve is pushed over the one of a film coating or a thin intermediate sleeve is prevented.