| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cap for a roller bottle container, which can be attached and detached by the use of a small amount of torque. <P>SOLUTION: A two-piece cap assembly for closing an opening in a neck portion of a container is provided that includes a cap body 12 having a top wall and a suspending annular skirt 16 for screw attachment to the neck portion of the container. A plug seal 18 is attachable to the underside of the top wall of the cap body. The plug seal and the cap body are relatively rotatably coupled for the independent rotation of the cap body with respect to the plug seal upon attachment and detachment of the cap to the neck portion of the container. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
