| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a barrel shape container with a lid, while considering the sealing performance when the barrel shape container is fallen from moderate and also comparatively big height. <P>SOLUTION: An annular ridge 20 is formed on a joint rib 19 for joining an upper rib 7 and a lower rib 9 of a clamping ring 5 along the surface, and the annular ridge is directed the inside in the radial direction and pressed into an engaging groove 21 formed on the outer edge 15 of a lid 4 so that the lid is fixed on the upper edge 6 of the barrel shape container when the clamping ring 5 is closed. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
