| CPC B31F 1/07 (2013.01) [B31F 2201/0753 (2013.01); B31F 2201/0776 (2013.01)] | 15 Claims |
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1. An embosser comprising:
a first load-bearing structure, on which a plurality of first embossing rollers is supported, each first embossing roller of said first embossing rollers having a respective rotation axis, wherein the first embossing rollers are rotatably mounted on a movable support, the movable support being movable with respect to the first load-bearing structure; and wherein the movable support is provided with a selection movement with respect to the first load-bearing structure, to selectively arrange in an operating position one of said first embossing rollers mounted on the movable support;
a first pressure roller adapted to form a first embossing nip with the one of the first embossing rollers which is in the operating position; wherein the first pressure roller is supported on the first load-bearing structure;
a first path for a first ply of web material, said first path extending through the first embossing nip;
a second load-bearing structure, on which at least a second embossing roller is rotatably supported;
a second pressure roller adapted to form, with said at least a second embossing roller, a second embossing nip; wherein the second pressure roller is supported on the second load-bearing structure;
a second path for a second ply of web material extending around the second pressure roller;
wherein the first load-bearing structure and the second load-bearing structure are movable relative to each other to take a position of mutual approach and a position of mutual distancing; wherein the position of mutual distancing is such that the first embossing rollers can be moved relative to the first load-bearing structure to perform the selection movement of the movable support.
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