| 摘要 |
<p>A device (1) for applying adhesive (2) to sheet material (3), wherein a transfer roller (8), partially immersed inside a tank (7) of adhesive (2), presents a cylindrical outer surface (12) substantially tangent to the cylindrical outer surface (13) of a gumming roller (9) having, for each gumming surface portion (6) of the sheet material (3), a peripheral projection (14) extending outwards from the cylindrical surface (13) of the gumming roller (9) and engaging a respective cavity (17) formed on the cylindrical surface (12) of the transfer roller (8). <IMAGE></p> |
