摘要 |
PURPOSE: A method for producing corrugated cardboard to install on an internal wall of a container is provided to conveniently deliver the corrugated cardboard and to protect cargo and internal wall of the container. CONSTITUTION: A cardboard producing method comprises a first stage forming corrugated cardboard(10) having length corresponding to length of both sides walls and a rear wall(78) in a container; a second stage installing a first area having corresponding to the length of the rear wall on a middle portion of the corrugated cardboard; a third stage mounting a first corrugation to form a second and third areas having the length corresponding to both sides walls; and a forth stage forming a second corrugation on a corrugated cardboard of the second and third areas to fold the corrugated cardboard of the second and third areas. The corrugated cardboard of the second and third areas is folded to the first area corresponding to the second corrugation. The corrugated cardboard of the first area is folded to contacting the corrugated cardboard of the second area with the corrugated cardboard of the third area. Thereby, the corrugated cardboard is installed on the container by spreading to ward both sidewalls from the rear wall.
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