| 摘要 |
<p>Device for the packing under vacuum of products contained in flexible bags in plastic material, where means are provided suitable to create, around the opening of the bag, an airtight chamber connected to air suction devices, being provided welding devices suitable to weld the bag walls along a line beyond said chamber, in order to seal the bag after creating the vacuum inside it through said suction means. <IMAGE></p> |
