| 摘要 |
PROBLEM TO BE SOLVED: To seal hermetically each of containers, arrangeable in multistage, which are packed with, for example, food, stack them for making it convenient to carry, and store, after use, the containers with their bulks reduced. SOLUTION: In the stack of boxes with handles, a lid 4 having on its both sides belts 5 so that they are freely extended/shortened is placed from above over a stack of containers 1a, 1b, and 1c with hermetic sealable lids 2a, 2b, and 2c, respectively, fitted on them. The hooks 9 of the belts are hooked on the locking parts 8 of the lowermost container 1c, thereby integrating the containers and the lid. The stack of boxes can be carried by holding handles 11 provided on both sides of the lid so as to be freely foldable. After use, the lower container with the hermetic sealable lid fitted on it is stored inside the upper container, one inside another from the lowest one. The lid is placed over the uppermost container 1a storing the lower containers with the bulks of the lower containers reduced, hooks 13 on both sides of the lid are hooked on locking parts 7 on the side faces of the upper most container, and also the boxes can be carried with the belts drawn inside the lid. |
