| 摘要 |
PROBLEM TO BE SOLVED: To provide a container with a cap which does not let out a spurting noise owing to a sudden jet of a gas from the inside of the positively pressured container in opening the same and also prevents the cap from being removed from its mouth part with great force. SOLUTION: The mouth 2 of this container is formed with first, second and third regulating parts 11, 12 and 13. The first regulating part 11 forms a first minute gap c1 between a seal material 6 and the mouth 2 regulating the rise of a lug 5 whose fitting with a fitting thread 8 is released at a prescribed height. The second regulating part 12 regulates the move of a part of the lug 5 regulated by the first regulating part 11 in an opening direction and then regulates the rise of the part of the lug 5 released from the regulation underneath a prescribed height. The third regulating part 13 forms a second minute gap c2 between the seal member 6 and the mouth 2 regulating the rise of the remaining lug 5 above a prescribe height in a condition where the rise of the part of the lug 5 is regulated by the second regulating part 12. |
