| 摘要 |
PURPOSE: To perform sealing of the content in a container main body and repeated closing of the container and to provide durability against strong forces applied on the container main body and a lid by providing an annular curtain having an annular skirt provided with a plurality of annular rings and being strongly fitted and brought into contact with the inner wall of the container main body on the underside of the lid. CONSTITUTION: A lid 30 is provided with an annular skirt part 32 with a plurality of cut rings 34, 36 and 38 being in the same spatial relations as those of three annular flanges of a container 10 and the cut rings 34, 36 and 38 are located inside of the annular skirt 32 and as they are slid under the annular flange of the container main body 10 and are brought into contact with them, effective and highly reliable sealing can be realized. In addition, a closed container which can be repeatedly used for a number of times after opening the lid can be realized. In addition, as the lid 30 is provided with a plurality of fin-like parts 42 for connecting an annular curtain 40 with the wall part 44 of the recessed part of the lid 30, durability against a string force applied along a vertical axis or a radial axis can be provided. |
