Patent ID: 6874415

Claim:
A mounting cylinder ( 1 ) for mounting cylindrical embossing tools for embossing rolls, comprising a shaft ( 2 ), a mounting shell ( 3 ) having an outer surface ( 10 ) for mounting a cylindrical embossing tool, a fixing device ( 5 ) for fixing the mounting shell ( 3 ) coaxially on the shaft ( 2 ), a tempering device for tempering the surface ( 10 ) of the mounting shell ( 3 ), and a device for detaching the embossing tool from the surface by means of compressed air by at least one compressed air feed opening ( 9 ) and radial compressed air discharge openings ( 11 ) being provided in the mounting shell ( 3 ) through which compressed air can flow out of the surface ( 10 ) to expand a cylindrical embossing tool slipped over the mounting shell ( 3 ), characterized in that the mounting shell comprises between the at least one compressed air feed opening ( 9 ) and the compressed air discharge openings ( 11 ) a compressed air pipe system ( 8 ) extending at least one of axially or tangentially within the mounting shell ( 3 ).