Method and unit for applying labels

摘要

A method and unit for applying labels to packets of cigarettes (3), traveling in a given direction (D1) along a first path (P1) with a given spacing (P) and arranged a given distance (I) apart, provide for feeding a gripping head (33) along a second path (P2), and applying each label (2) to a first face (9) of a respective packet (3) by inserting the gripping head (33) between one packet (3) and the adjacent following packet (3) to roll the gripping head (33) and apply the label (2) along the first face (9), which is perpendicular to the given direction (D1).