| 摘要 |
PROBLEM TO BE SOLVED: To provide a corrugated fiberboard blank sheet where making a half tray is accurately and easily performed when being assembled as a packaging box.SOLUTION: A corrugated fiberboard blank sheet is formed with a pair of cut-off portions (10, 10) and a pair of tear strips (20, 20) disposed at each outside of a pair of the cut-off portions (10, 10) at side surface parts (4, 5).SELECTED DRAWING: Figure 4 |
