| 摘要 |
<p>A machine for packaging filter bags (1) for products for infusion in related closed outer wrappers (2) comprises: a carrousel (6) for moving the filter bag (1) along a circular operating path (C); a wrapping station (7) positioned along the operating path (C) for folding a flat sheet (2) of outer wrapper material along a transversal axis around the filter bag (1) thus forming a "U"-shaped outer wrapper around the filter bag (1); sealing units (9) operating on the sheet (2) folded in a "U"-shape, for forming an individual closed outer wrapper; the sealing units (9) being positioned along the circular operating path (C), downstream of the wrapping station (7), and being designed to join at least two longitudinal end edges (2a, 2b) of the outer wrapper sheet (2) which is positioned, together with the filter bag (1), on the carrousel (6).</p> |
