| 摘要 |
PURPOSE: A trapezoid unit for settling grapes safely with corrugated cardboard is provided to prevent waste of resources by reducing a generation rate of food garbage and to increase value of a product. CONSTITUTION: A unit for settling grapes safely with corrugated cardboard has an equilateral trapezoid shape. A manufacturing method of the unit includes the following steps of: forming the equilateral trapezoid shape; forming a central bottom plate(2); curving a side wall(6) after forming the side wall of which upper end is divided into 8 parts; curving a divided wall connection plate(19,19a) after forming the divided wall connection plate; and curving a left and right dividing wall(7c) on a side of the divided wall connection plate.
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