| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress rapid outflow of gas and outflow of an internal solution. <P>SOLUTION: This container lid 1 includes a shell 6 and a liner 4, and attached to a container 40 having top neck part 42 formed with a curled part 50 in an upper end. When the container lid 1 is attached, lower surfaces of an annular thin part 36 and a boundary part 37 abut on an upper surface of an upper side curled part 52 to an upper end outer circumferential surface 54a of a vertical part 54, a lower end inner circumferential surface 38a of an annular outer side hanging piece 38 abuts on an outer circumferential surface of a lower side curled part 56, and an annular sealed space S is formed among the outer circumferential surface 54a of an outer circumferential surface part 54, a lower surface 34a of an annular thin part 34, and the inner circumferential surface 38a of the annular outer side hanging piece 38. <P>COPYRIGHT: (C)2013,JPO&INPIT |
