| 摘要 |
PROBLEM TO BE SOLVED: To provide a cap structure of a liquid container wherein content liquid can be used by rotating an over cap such as an over cap in an opening direction irrespective of a cap material, temperature change or a composition of the content liquid. SOLUTION: A cap 3 is fitted onto a neck 2 of a bottle l for detergent containing 20 to 50% of nonionic surfactant while an over cap 11 is detachably screwed onto the cap 3. Stoppers 10, 15 for preventing excessive screwing are provided on a female screw 9 on an inner peripheral wall face of the cap 3 and on a lower end of a male screw 14 on an outer peripheral wall face, respectively. Since the female screw 9 and the male screw 14 are no more present over the stoppers 10, 15, even if excessive tightening torque works, the over cap 11 may not be tightly screwed to be fed downward. |
