| 摘要 |
A composite bubble-pack assembly comprising (i) a first bubble-pack having a first thermoplastic film having a plurality of portions wherein each of the portions defines a cavity and a second thermoplastic film in sealed engagement with t he first film to provide a plurality of closed cavities; (ii) a second bubble-pack having a third thermoplastic film having a plurality of portions wherein each of the portio ns defines a cavity, and a fourth thermoplastic film in sealed engagement with the third film to provide a plurality of closed cavities; (iii) and a film selected from the group consisting of a thin foil of metal or a metallized thermoplastic film interposed betwee n and bonded to the first bubble-pack and the second bubble-pack. |
