| 摘要 |
PROBLEM TO BE SOLVED: To provide a double-layer airtight container for heat-insulation of soup with which soup can be easily scooped using a spoon, and which can be easily grabbed by a small hand of a woman or a child.SOLUTION: A double-layer airtight container 100 for heat-insulation of soup includes an inside cylinder 111, an outside cylinder 112 and an airtight space SP. The inside cylinder includes a bottom part 111b. The outside cylinder 112 decreases its diameter toward the bottom part 112b. Also, the outside cylinder is joined with the inside cylinder at their opening end parts. The airtight space is formed between the outside cylinder and the inside cylinder. Here, the inside cylinder is preferably made of a material having corrosion resistance superior than that of the outside cylinder. |
