| 摘要 |
PROBLEM TO BE SOLVED: To provide a closing device capable of surely confirming dislocation from the close position of a cap. SOLUTION: The closing device comprises a container 21 and a synthetic resin cap 1 mounted on the mouth thereof, and on the outer periphery of a cap main body of the cap 1 and outer periphery of the container 21, there are provided plug close position expressing marks 12a, 12b put to indicate respective close positions of the cap 1, and further the plug close position expressing mark 12a lying at the cap side and the plug close position expressing mark 12b lying at the container side are formed to nearly correspond with each other in its circumferential direction as the cap 1 is in the plug close position. |
