| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily tear and open internal/external double sheets with a single tearing force when tearing and opening a package body of food packaging with half cuts, allowing no residue. <P>SOLUTION: A rice ball R is wrapped with a package raw sheet 7 in which the internal/external sheets 2, 3 forming the half cuts 4, 5 are laminated to enclose a sea weed S. The package body 1 whose periphery is adhere with a seal part 6 is formed. The half cuts 4, 5 include: a plurality of tilted tear guiding parts 4A, 5A which make inner edges in the seal part 6 a plurality of start end positions with the predetermined intervals, and are assembled at a dead end position at a folded part side of the internal/external sheets 2, 3; and tear parts 4B, 5B consecutively provided through the folded part in the internal/guiding sheets 2, 3 with the tear guiding parts 4A, 5A as the start end positions. A notch 8 for transmitting a tearing force to the tear guiding parts 4A, 5A of the half cuts 4, 5, respectively is formed at the upper edge part of the seat part 6 in the package body 1. <P>COPYRIGHT: (C)2013,JPO&INPIT |
