| 摘要 |
PURPOSE: A sheet folding type product packaging tray having impact prevention function is provided to prevent the separation of products inside the tray by dropping. CONSTITUTION: A sheet folding type product packaging tray includes an upper plate(10) a recessed deck(11), a lower plate, and an inner bottom plate. The cross section of the upper plate has a shape of a circular curvature radius, a trapezoid, or a polygon semi-column. The recessed deck is folded along to a folding line(19) toward the opposite angle of the curvature radius or the trapezoid. The lower plate and the inner bottom plate are connected to the upper plate. The recessed deck includes left and right separation preventing protrusions(12), upper and lower separation preventing protrusions(15), or front and rear separation preventing protrusions(35).
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