| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent an upper flap from being intentionally separated from an inner flap by sticking the upper flap and the inner flap without losing the usefulness of a fastener structure provided on the upper flap. <P>SOLUTION: A lower flap 14 is notched in ranges overlapping with respective both inner flaps 15 and 17 from the vicinity of a base end of the lower flap 14 at both side ends of the flap 14 to the upper end 14c of the lower flap 14, providing narrow adhesive faces 23 including the base end 14a and the notch 22 coming close on both sides of the lower flap 14. The inner flaps 15 and 17 are overlaid under the narrow adhesive faces 23, and the upper flap 16 is also overlaid on it. An adhesive face 21 of the upper flap 16 is stuck to the narrow adhesive faces 23 of the lower flap 14, a wide adhesive face 24 located between the narrow adhesive faces 23, and the inner flaps 15 and 17 located on the sides of the notch 22. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
