| 摘要 |
<p>Case IM-4504 Canada CONTAINER A thermoplastic container suitable for packaging frozen products is provided having a hollow body with a hollow neck at its upper end, and a bottom wall at its lower end. The bottom wall is characterized by an oval or circular center portion and a circular or oval, respectively, upwardly and inwardly extending, connecting wall, the connecting wall being connected at its circumference to the lower end of the hollow body and at its innermost extent to the center portion. The container structure is to provide a configuration capable of withstanding freezing expansion of the container product without deformation and to provide such a container without requiring added thickness in the bottom wall or additional complex wall structure.</p> |
