| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a packaging bag having excellent sealability and easy unsealability which is used to store chemicals, foods, medicines, or the like, and manufactured at relatively low cost without using any special material in a film itself, and also to provide a laminate film used for the packaging bag. <P>SOLUTION: The laminate film has a printed layer and an adhesive layer between a face layer and a back layer formed of synthetic resin. A low-strength adhesive portion which has an adhesive strength of the printed layer and the back layer lower than of another portion is provided in a predetermined part (A), and the low-strength adhesive portion is formed by using the specified ink for the printed layer in the predetermined part which is different from the ink of other portion. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
