| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an easy-opened plug container lid enabling even children or women or weak persons like aged people to open the plug easily, clearly showing a fraudulent plug opening, having no possibility that the contents in the container leaks out of it and enabling an already installed existing capping line to be utilized as it is. <P>SOLUTION: The problem described above is resolved by providing an arrangement as follows. This plug comprises a body cap installed at the opening of a container and an outer cap externally installed at the body cap. The body cap has a top surface wall formed with a cavity part and a skirt part suspended down from a circumferential edge of the top surface wall. A female thread corresponding to a male thread formed at an outer circumferential surface of the opening is formed at an inner circumferential surface of the skirt part, the outer circumferential surface of the skirt part is formed with axial knurls. An outer cap has a top plate wall and a skirt wall suspended down from its circumferential edge, forms an engaging member suspended down at the top plate wall and engaged with a cavity of the body cap, forms a rib engaged with the knurls at the inner circumferential surface of the skirt wall and arranging at a circumference a cylindrical wall having a larger diameter than that of the outer circumference of the skirt wall and having a holding part at the outer circumference of the skirt part. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
