| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To form a handle hole having a strong stiffness in a handled state at an end wall composed of a flap without increasing using area of a board. <P>SOLUTION: A punching-out part for handling 27 is provided on an outer flap 20A, 20B and a notch part 29 is provided on an inner flap 17A, 17B and the edge 28 of the punching-out part for handling 27 has a slanting edge 28a slanting and extending to the tip edges of the outer flaps 20A and 20B at a non-piled area A, the boundary of which is the tip edge of the inner flap 17A, 18A and has a sideways edge 28c extending along the tip edge of the outer flap 20A, 20B at a piled area B. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
