Thermal insulating container for food or drink has honeycomb or similar lightweight bearing structure between inner and outer walls

摘要

The container has walls enclosing a cavity for the storage of food or drink. Latent heat storage material (4) is enclosed within the walls. A lightweight bearing structure (7) in the form of a grid, honeycomb or other such structure is located between the inner and outer walls (5, 6). The cavities or chambers within this structure are filled with the latent heat storage material.