To provide a packaging container with a lid the the unnecessary area of whose thermoforming sheet material is reduced to the utmost, the area necessary of whose flange for an adhesive agent to cover formed on the surface is reduced to the utmost for saving the amount of the agent to be used, and yet whose inside is sufficiently airtight.
Flanges 4, 5 in a fixed width are provided on the peripheral edge of the opening part 2 of a square shaped top open synthetic resin container body 1 and on the peripheral edge of a lid 3 covering the opening 2. The pair of the flanges 4, 5 are formed to join in sealing, and the lid 3 is connected through a hinge made of a half cut line 6 cut half from the outside of the container with the lid. The other flange surfaces excluding flanges 4a, 5a are provided with an easily openable adhesive agent layer 7 and both ends in the longitudinal direction of the layer 7 are arranged to come into contact with both ends of the half cut line 6 at both ends of the hinge.
| JPH0647826 | [Name of device] Food packaging container |
| JPS5831810 | [Title of the device] Conclusion Pat |
SATO KAZUYUKI
Higashio Masahiro
Torii Kazuhisa