| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging material in which packaging members are connected at connection parts before used for packaging an article and are separated when used for packaging.SOLUTION: In the molding step of molding a packaging material 1 in a cavity 31 formed by mold-closing a pair of molding dies 3A and 3B, the packaging material 1 is put through one side where one molding die 3A is disposed to the other side where the other molding die 3B is disposed, notched parts 15 are formed to extend toward a connection part 14 and, in the demolding step of extruding the packaging material 1 disposed in the other molding die 3B from the other molding die 3B by an extrusion member 4 to demold the packaging material, the packaging material 1 is pressed along an extrusion direction F intersecting the extending direction E of the notched parts 15 by the extrusion member 4 to be extruded from the other molding die 3B.SELECTED DRAWING: Figure 6 |
