| 摘要 |
DC-3055 The present invention provides a tray having a floor, walls attached thereto, said walls having a rim distal to the floor, said tray having food placed therein and an amorphous polyester, e.g. polyethylene terephthalate, a partially crystalline polyester, e.g. polyethylene terephthalate, or amorphous nylon film stretched across the rim and extending down the outer portion of the wall adjecent to the rim in a vacuum-induced thermally-set crimp. The polyester or nylon may optionally be blended with a compatibilized polyolefin. DC-3055 |
