| 摘要 |
A packaging machine includes a cutting device having a configuration wherein a pressing member provided in one jaw of a pair of sealing jaws that come into contact with each other on both sides of a cylindrical film comes into contact under pressure with a receiving member provided in the other jaw, whereby the cylindrical film being sealed by the sealing jaws is melted. The packaging machine also includes a cylinder for switching the pressing member in contact position under pressure with the receiving member or in non-contact position when the sealing jaws are in mutual contact, and a toggling mechanism configured with a cylinder rod and links. When the pressing member is brought into the contact position under pressure, the links of the toggling mechanism secure the pressing member from behind.
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