| 摘要 |
A vacuum packaging machine includes a plurality of vacuum chambers ( 3 a, 3 b) each arranged to receive at least one unsealed product package and operable to perform an independent vacuum sealing operation, each vacuum chamber having a longitudinal direction defined by a direction of travel of the respective product package through the chamber ( 3 a, 3 b), each chamber having a heat seal assembly ( 15 ) therein which extends transversely to the longitudinal direction. An infeed conveyor ( 17 ) can be provided with a telescoping portion ( 17 a) which can extend over the heat seal assembly or a part thereof. Each vacuum chamber can have a respective bed ( 9 ) and independently moveable hood ( 11 ), and the beds ( 9 ) can be synchronously vertically moveable. The vacuum packaging machine can be used in combination with a suitable product bagging or wrapping machine. |
