| 摘要 |
PURPOSE:To provide an automatic packaging machine which can efficiently and securely weld an opening side rim lengthwise along a polymer film with a simple structure. CONSTITUTION:In an automatic packaging machine comprising a film roll 6 of a wrapping film 5 wound in a roll, a film opening device 4 for opening the film 5 pulled out from the film roll 6 into a shape for allowing an object 30 to be wrapped to be packaged, an object carrying device 2 for introducing the object 20 in the film opened by the film opening device 4 and a sealing device 1 placed closely to a downstream end of the object carrying device 2 for fusing a film opening side rim and welding it at the same time, the sealing device 1 has a fusing/welding means 24a for fusing/welding at least an opening rim in parallel to a film flowing direction and also includes a static electricity charging means 20 between the fusing/welding means 24a and the object carrying device 2. |
