| 摘要 |
The present invention relates to a method for manufacturing a self-assembly agricultural and marine product packaging box for maintaining watertightness. More specifically, the purpose of the present invention is to enable the storage and transportation area to be less occupied in an unfolded state when transferring and storing the packaging box, by forming and coating the inner surface or the inner surface and the outer surface with a coating member made of a three-layer structure to be integrated with a body. The method comprises: a sheet molding step of molding a sheet; a sheet cutting step of compressing and cutting the body in a mold; a coating member molding step of molding a coating member made of a three-layer structure such as an outer layer, a core layer and an inner layer; and a coating member coating step. |
