| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a boxed package for microwave ovens, which can be surely opened by swelling of a packaging bag. <P>SOLUTION: In the package for microwave ovens includes a box 10 which has a front face 11 and a back face 12 opposing to each other, side faces 13a, 13b, 13c, 13d connected to the edges of the front face 11 and the back face 12 and an openable opening part 15 provided on the front face 11 and the packaging bag 20 which has vapor discharging portions 21a, 21b, 21c formed and is stored in the box 10 as the vapor discharging portions 21a, 21b, 21c, are opposing to the opening part 15 and the opening part 15 formed on the box 10 can be opened by swelling in accordance with an increase of the inner pressure of the packaging bag 20 upon heating in a microwave oven, the opening part 15 formed on the front face of the box 10 is opened in a predetermined direction from the boundary 16 with a non-opening part and is formed asymmetrically to the center line of the front face 11 extended in the predetermined direction. <P>COPYRIGHT: (C)2011,JPO&INPIT |
