Embossing device with at least one heated embossing roller and embossing method

An embossing apparatus comprising: a first path for a first ply of a web; a first embossing roller provided with embossing protrusions along the first path; the first heating device is associated with the first embossing roller so as to heat the surface of the first embossing roller; at least one first functional roller adapted to perform an action on the web ply. The first functional roller is provided with a rotating device adapted to maintain the first functional roller in rotation during a temporary stop of the embossing device with the first functional roller spaced from the first embossing roller and a first ply of web stationary in the first path. 一种压花装置，包括：用于幅材的第一层片的第一路径；沿着所述第一路径，设有压花突起的第一压花辊；第一加热装置，所述第一加热装置与所述第一压花辊相关联以加热所述第一压花辊的表面；适于在幅材层片上执行动作的至少一个第一功能辊。所述第一功能辊设有旋转装置，所述旋转装置适于在所述压花装置的临时停止期间在所述第一功能辊与所述第一压花辊间隔开且幅材的第一层片在所述第一路径中静止的情况下保持所述第一功能辊旋转。