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AssigneeMatthews International Corporation
InventorsChristof RÖRING, Jörg GOTTSZKY, Frank LAUKAMP, Thomas HACKFORT, Heinz WITTEBROCK
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The invention relates to a sleeve-change calender (1) for the rotary embossing of a multi-ply tissue web or for producing a ply bond between the individual plies of the multi-ply tissue web, wherein the sleeve-change calender comprises a roll frame (7) with at least one roll (12, 13) mounted therein, with an expandable support core (3) and a exchangeable sleeve (4) mounted thereon, wherein the sleeve can be pushed onto the support core for assembly and can be fixed thereon with a friction fit, wherein the support core is designed with a multi-chamber system (11) for the individual application of pressure on separate pressure zones (10).
A sleeve-change calender for the rotary embossing of a multi-ply tissue web or for producing a ply bond between the individual plies of the multi-ply tissue web, wherein the sleeve-change calender has a roll frame with at least one roll mounted therein with an expandable support core and a exchangeable sleeve mounted thereon, wherein the sleeve can be pushed onto the support core for assembly and can be fixed thereon with a friction fit, characterized in that the support core is designed with a multi-chamber system for the individual application of pressure on separate pressure zones.
Dependencies are inferred from the claim text.