| 摘要 |
<p>Vacuum packaging bags and methods of manufacturing and using vacuum packaging bags are disclosed herein. In one embodiment, a vacuum packaging bag includes a first panel, a second panel coupled to the first panel, and a gusset between the first and second panels. The first panel has a first gas impermeable layer and a first sealable layer coupled to the fist gas impermeable layer. The second panel has a second gas impermeable layer and a second sealable layer coupled to the second gas impermeable layer. The gusset can extend along a length of the bag and project inwardly toward an interior region. The bag may further include a plurality of intercommunicating channels for conveying a flow of gas when the bag is evacuated.</p> |
