| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a packaging body capable of consistently and easily forming an opening (a take-out port) of a sufficient size to take out a product stored in the packaging body. <P>SOLUTION: The substantially rectangular packaging body comprises a bottom material and a lid material having at least a base material layer and a heat-bonding resin layer, and the bottom material and the lid material are peelably sealed at a rim heat-bonded part. A first non-bonded part is provided on an outer edge of one corner part of the rim heat-bonded part, a first through cutout extending in the diverging direction from the corner part is formed on the outer edge of one rim heat-bonded part extending from the corner part, and a cut parallel to the other rim heat-bonded part extending from the corner part is formed in the vicinity of a tip of the first through cutout in the extending direction of the first through cutout on the base layer of the lid material from the outer edge of one rim heat-bonded part to the outer edge of the rim heat-bonded part at the facing position. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
