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    • 7. 发明公开
    • LABELLING MACHINE FOR LABELLING CONTAINERS ADAPTED TO CONTAIN A POURABLE PRODUCT AND METHOD FOR SPLICING TWO WEBS OF LABELLING MATERIAL
    • EP4310038A1
    • 2024-01-24
    • EP22185654.5
    • 2022-07-19
    • Sidel Participations
    • PAPARO, VincenzoTANZI, Alessio
    • B65H19/18B65H26/06B65C9/18
    • There is described a labelling machine (1) for labelling containers (4) by means of labels (2) obtained from a web (3a, 3b) of labelling material, which web (3a, 3b) is defined by a plurality of labels (2) longitudinally joined, the labelling machine (1) comprises: a feeding unit (7) configured to support at least two windings (10), each formed by a respective web (3a, 3b) of labelling material, the feeding unit (7) being configured to feed each web (3a, 3b) along a feed path (Q), selectively; and a splicing device (14) configured for splicing an end portion of a first web (3a) with an initial portion of a second web (3b); the splicing device (14) comprises a pair of pads (16) movable between a first position, in which they are spaced apart from one another, and a second position, in which they cooperate with one another to perform a splicing operation; the labelling machine (1) further comprises: a first sensor (17) configured for detecting an unwinding degree of the first web (3a) and for generating an exhausted winding signal when the detected unwinding degree is above a predetermined threshold; a second sensor (18) arranged at a monitoring station (M) located along the feed path (Q) downstream of the splicing device (14), the second sensor (18) being configured to cyclically detect, for each label (2), a value (H) of a longitudinal coordinate defined with respect to a respective point of reference of each label (2), and to generate a triggering signal when the detected value (H) of said longitudinal coordinate reaches a preset value (H1, H2, Hn) associated with a triggering value for triggering the movement of the pads (16) from the first position to the second position; and a control unit (20) configured for receiving the exhausted winding signal and the triggering signal, and for automatically triggering the movement of the pads (16) from the first position to the second position upon receiving the exhausted winding signal and the triggering signal.