Patent ID: 11939093
Assignee: I.M.A. INDUSTRIA MACCHINE AUTOMATICHE S.P.A.
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 6:
7. The unit according to claim 1, wherein each first gripping devices is a first gripper connected to a first cam device configured to move the first gripper between a plurality of operating positions, between a completely-open non-operating position, actuated by the first gripper in a closed circular stretch of the trajectory comprised between the sealing gripper and the forming station of the sheet of over-wrapping material for receiving the sheet of over-wrapping material, and a closed operating position actuated in a closed circular stretch of the trajectory comprised between the first drum, in which the first gripper receives the formed filter bag inside the sheet of over-wrapping material, and the sealing gripper.