Patent ID: 11178902

Abstract:
The invention relates to an apparatus (100) and a method to fetch an end portion of a sheet (40) of material wound in a bobbin (152), the apparatus including: a rotatable bobbin holder (150) adapted to be inserted in a bobbin; an articulated arm (180); a suction device (110) having a contact surface (124) including a first portion (130) capable of exerting a first suction power and a second portion (132) capable of exerting a second suction power different from zero, wherein the first suction power is higher than the second suction power, the suction device being attached to the articulated arm; and a control unit (190), adapted to command a movement of the articulated arm so that the first portion of the contact surface of the suction device contacts the bobbin. The invention also relates to a method to fetch an end portion of a sheet of material wound in a bobbin.