| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a steam release part of a soft packaging bag from directly facing outside even if a wrapping paper box for microwave heating is opened in microwave heating, to shape a tearing/opening part small and to facilitate the expansion of the bag in microwave heating. <P>SOLUTION: A holding piece 14 continuous with a top face panel 10 is cut and formed at a position not corresponding to a steam release part 4 at the top face panel side part 13 of an upper face panel 5 covering the steam release part 4. A broken line 16 is provided continuous to the cut line of the piece 14 and along a folding part between the panel 5 and the panel 10. A folding ruled line 17 is provided from a folding part between both sides of the piece 14 and the end of the folding part to the end of the folding part between the panel 5 and a bottom face panel 11. The top face panel side part 18 of a lower face panel 7 is provided with a broken line 19 inclining toward the center of the panel 7 from each of the both ends of the folding part between the panel 10 and the panel 7. A folding ruled line 20 is provided from the broken line end part positioned equally apart from the top face panel side of the line 19 to the folding part end part between the panel 11 and the panel 7. <P>COPYRIGHT: (C)2007,JPO&INPIT |
