| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an assembly type returnable box which improves a thermal insulation property and cushioning property, can easily cope with dirt in the box, deformation, breakage and the like, and is excellent in convenience, added value and the like.SOLUTION: An assembly type returnable box 1 comprises: a rectangular bottom plate 20 made of a hollow resin plate; four rectangular side plates 21, 22, 23, 24 made of the hollow resin plate and rotatably connected to the bottom plate 20; connecting means 31, 32, 33, 34 for connecting the adjacent side plates in an assembly state; a rectangular lid 25 made of a hollow resin plate for lid; and foam materials 50, 51, 52, 53, 54, 55 detachably attached to the inner sides of the bottom plate 20, side plates 21, 22, 23, 24, and lid 25.</p> |
