| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a package where: an opening/closing lid does not close due to the repulsive force of a synthetic resin when releasing a hand from a knob after opening the opening/closing lid; and the occurrence of wrinkles can be prevented when being sealed again.SOLUTION: An opening/closing label 30 is formed by laminating a surface resin layer 35, at least one intermediate resin layer 36, a rear surface resin layer 37 and an adhesive layer 38 in this order. In equation: W=a×b×h×σ/L, a coefficient a is 10 or more and 30 or less and where, W (g) is a weight of a body part 31 and a knob part 32; b (mm) is a length of a connection part (connection width) that is, a length of the opening/closing label 30 in a width direction; h (mm) is a thickness of the surface resin layer 35;σ(MPa) is a flexural strength (bending moment/section modulus) of the surface resin layer 35; and L (mm) is a half of a length from a notch line 34 to the tip part of the knob part 32.</p> |
