Closing assembly (1), configured to close a first flap (111) and a second flap (112) of an adhesive strip (110) against a portion of at least one container (200), comprises a frame (2) with a linear development which delimits at least laterally, a passage (3) through which the at least one container (200) can be moved along an advancement direction (400), a first blowing device (11) configured to deliver a first air flow (15) into the passage (3), and a second blowing device (12) configured to deliver a second air flow (16) into the passage (3), with a direction opposite to that of the first air flow (15), wherein the first blowing device (11) and the second blowing device (12) are connected to said frame (2) opposite each other and reciprocally staggered along said advancement direction (400).
Piercing group (1) configured to make a piercing along a plastic tubular label (A), wherein said piercing group (1) comprises a frame (2), a guiding group (3) configured to guide a tubular label (A) advancing along a direction (28) through said piercing group (1), a perforating device (4) configured to make a perforation passing through said tubular label (A), said guiding group (3) and said perforating device (4) being operatively connected to said frame (2), wherein said guiding group (3) comprises at least a first plate element (11) which faces said perforating device (4) and has at least an elongated passing through opening (27) through which said perforating device (4) is configured to pass to perform a perforation along said tubular label (A) provided in said guiding group (3).
B31D 1/02 - Multiple-step processes for making flat articles the articles being labels or tags
B65B 61/02 - Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, or applying code or date marks on material prior to packaging
B31F 1/18 - Crêping by tools arranged in the direction of web feed
B26F 1/18 - Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
B65C 3/06 - Affixing labels to short rigid containers