PROBLEM TO BE SOLVED: To provide a packaged boiled rice mass structured so as to undo the package of a boiled rice mass by a simpler method: and to provide a method for undoing the package.SOLUTION: The packaged boiled rice mass is structured as follows: an outer film 2 includes cut lines 22 at almost the longitudinally center part of which a plurality of cuts 23, 23 are made a sheet-like food 4 is set up at the inside surface of the outer film 2 an inner film 3 includes two sheets of inner film pieces 31, 31 which are overlapped on each other at almost the center part of the outer film 2 while placing the sheet-like food 4 on the inner side of the outer film 2 the inner film pieces 31, 31 are formed by joining the outer peripheries of the inner film pieces 31, 31 except for the overlapped part thereof with the outer film pieces 2, 2 a boiled rice mass 6 is packaged with a package sheet 1 so that the peripheral surface of the boiled rice mass 6 faces to the overlapped part of the inner film pieces 31, 31 and the edge part of the package sheet 1 is sealed with a fixing means 5.COPYRIGHT: (C)2013,JPO&INPIT【課題】より簡単な方法で飯塊の包装を解くことのできる包装飯塊及びその包装を解く方法を明らかにする。【解決手段】外フィルム2は、長手方向の略中央部に切込み23,23を複数設けた切込線22を有し、シート状食品4は、外フィルム2の内面側に配備され、内フィルム3は、シート状食品4を外フィルム2の内側に介在させた状態で、前記外フィルム2の略中央部で重ね合わせられた2枚の内フィルム片31,31を有し、該内フィルム片31,31は、内フィルム片31,31どうしの重なり部を除く外周を前記外フィルム2に接合してなり、飯塊6の周面が前記内フィルム片31,31どうしの重なり部と対向するように、包装シート1で飯塊6を包み、包装シート1の端部を止着手段5により封止してなる。【選択図】図7
