PACKAGED FOOD AND PACKAGING SHEET

摘要

PROBLEM TO BE SOLVED: To divide an outer film of a packaging sheet including a sheet of laver sandwiched between the outer film and an inner film into two pieces without using a cut tape or parallel cuts. SOLUTION: The outer film 2 and the inner film 3 are overlaid with a sheet of laver 4 smaller than both films sandwiched between them. The outer film 2 is formed of a directional film easy to tear longitudinally, and the inner film 3 is formed to be divided or easy to divide approximately at the breadthwise center. Outer peripheral rims of the outer film 2 and the inner film 3 are welded to provide a rice ball packaging sheet. Both longitudinal ends of the packaging sheet 1 appear like a sawtooth consisting of a series of V-shaped cuts 15 and 15 of the same depth. The welded part 13 along the outer periphery ends approximately at the center of both ends of the packaging sheet. COPYRIGHT: (C)2006,JPO&NCIPI