Patent ID: 11897666
Assignee: NIPRO CORPORATION
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A package formed from a flexible sheet material, the package comprising:
a first side and a second side; and
a hinge that foldably connects the first side and the second side to each other,
wherein the first side and the second side transition between a closed state and an opened state by pivoting around the hinge,
wherein, in the closed state, a space for accommodating an article being provided, in the opened state, the space being opened,
wherein the first side includes:
a first fitting portion in any one of a projecting shape and a recessed shape,
a rigid portion provided in a partial section on a line that goes around the first fitting portion, and
a first weak portion provided in a remaining section on the line that goes around the first fitting portion and being lower in rigidity than the rigid portion, and

wherein the second side includes:
a second fitting portion in an other of the projecting shape and the recessed shape and thus configured to be fitted to the first fitting portion in the closed state, and
a second weak portion provided on a line that goes around the second fitting portion and being lower in rigidity than the rigid portion.