| 摘要 |
<p>The invention relates to a method for applying a label (2) to an article (3) travelling along an article path (P), said label (2) being received on a movable surface (9) at an input location (I) to be retained against said surface (9) whilst being glued and advanced, through motion of the surface (9), to an output location (o), at which the label (2) is transferred to the article (3); the article (3) being rotated with a tangential speed (V2) about an axis (?') whilst travelling at a speed (V3) along the path (P); the method comprising: - providing at least three portions (14a, 14b, 9a) of surface (9) with independent and controllable vacuum means for retaining the label (2); - retaining, accordingly, a leading edge of the label (2) at a first one (14a) of the three portions and a trailing edge of the label (2) at a second one (14b) of said portions, at least whilst the label (2) is advanced at a label process speed (Vi) between input location (I) and output location (0); a mid-section of the label (2) facing a third one (9a) of said portions; - transferring the label (2) onto the article (3); characterised in that transferring said label (2) onto article (3) comprises : - curtailing the application of vacuum means at the first portion (14a) of the surface (9) upon the first portion (14a) reaching the output location (0); and - interrupting the application of vacuum means at the third portion (9a) of the surface (9); the trailing edge of the label (2) being retained at the second portion (14b) of the surface ( 9 ); the process speed (V1) being greater than the speed resulting from the combination of said tangential speed (V2) and of said travelling speed (V3).</p> |
