| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for continuously, efficiently and inexpensively producing a packaging material easily taken off without needing manual work. <P>SOLUTION: This method for producing the packaging material comprises the following process: a process of longitudinally forming through holes at prescribed intervals at the width-direction center parts of a pair of interior films 2, 2 transferred into the longitudinal direction; a process of arranging a sheet 3 comprising seaweed, or the like, at the inner surfaces of the pair of interior films 2, 2 so as to be disposed each in an intermediate part between the holes; a process of overlapping a long exterior film 1 transferred in a longitudinal direction on the interior films 2, 2 so as to cover the sheet 3; a process of bonding the interior films 2, 2 and the exterior film 1 overlapped each other at a portion of its width-direction both side edges and a portion of the tip side and the back-end side to each other; and a process of cutting off the bonded interior films 2, 2 from the exterior film 1 each in the vicinity of the holes. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
