| 摘要 |
<p>A device is provided for impressing sheet materials with raised patterns which comprises an embossing roller (2) and an auxiliary roller (3) set adjacently and rotatable about respective parallel axes (2a,3a) of rotation, said embossing roller (2) comprising a plurality of consecutive assembly elements (8) aligned to one another along a longitudinal direction lying parallel to said axes (2a,3a) of rotation and defining outwardly annular bands of a cylindrical surface (4) having surface corrugations adapted to produce a raised impression of said sheet materials (5), said embossing roller (2) further comprising means (9,10) for releasably engaging said assembly elements (8) which are adapted to enable each said assembly elements (8) to be set at a selected position along said longitudinal direction.</p> |
