| 摘要 |
<p>The machine includes a cutting and heat-sealing assembly (18) co-operating with a work surface (19), the film fed to the cutting and heat-sealing assembly (18) being shaped with a wide part correlated in size to the sizes of the outer part of the open cover and two narrower parts with a shape correlated to the size of each of the inner parts of the cover. The machine (10) includes a drive to power the cutting and heat-sealing assembly (18) on each occasion with respect to the lateral and longitudinal edges of the cover with the function of cutting to size and heat-sealing the desired edges of the wide part with the desired edges of the two narrow parts.</p> |
