| 摘要 |
<p>The present invention relates to a vertical flow-wrapper comprising:
- a film-feed (4), which feeds the film from a reel to a forming-unit (13),
- a forming-tube (5) and a forming-shoulder (6), which form a film into a film-tube (12),
- longitudinal sealing means to seal the longitudinal edges of the tube together,
- cross-sealing means to provide a cross-seal to the film-tube to produce individual packages and
- cutting means to separate the individual packages from the film-tube (12), and means for sensing and position the film (3) relative to the forming-shoulder.</p> |
