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

Claim 7:
8. The unit according to claim 1, wherein each second gripping device is a second gripper connected to a second cam device configured to move the second gripper between at least one completely open first non-operating position, actuated by the second gripper in a closed circular stretch of the trajectory comprised between a receiving and unloading station of the filter bag closed with the sheet of over-wrapping material and the sealing gripper where the second gripper receives the closed filter bag, and a closed operating position actuated by the second gripper in a closed circular stretch of the trajectory comprised between the sealing gripper, from which the second gripper receives the closed filter bag and the receiving and unloading station of the filter bag closed with the sheet of over-wrapping material where the second gripper releases the closed filter bag.