| 摘要 |
PROBLEM TO BE SOLVED: To provide a former shoulder for a packing machine.SOLUTION: A former shoulder (10) includes a former (12) having a former surface (13) over which strip bag material passes to be reconfigured into a tubular configuration. The bag material passes downwardly through a central opening (14) in the former shoulder (10). The former shoulder (10) includes a pair of pivoted guides (22, 23) that engage edge portions of the tubular bag material to form a fold in the bag configuration of the tubular bag material. |
