| 摘要 |
PROBLEM TO BE SOLVED: To remove a cutting section by the small pulling force at the time of opening a cap with a synthetic resin pulling piece and prevent a content from scattering at the time of opening. SOLUTION: A cap with a pulling piece 7 for opening easily a pouring spout is provided with small protruded sections of narrow width formed on the opening initial side and the opening terminal side of a cutting section forming the pouring spout of a closing plate and protruded ribs 16 working as stoppers for stopping preliminarily the opening on both sides of a root section of the small opening on the opening side. In the case of opening the cutting section, first the small protruded section with a pulling piece support 8 is opened by the small force, and then the ribs 16 work as stoppers to stop the opening operation temporarily by the arrangement. At that moment, air is flowed into from the narrow opening to replace the interior of a container by atmospheric pressure to prevent the scattering of a content liquid and also prevent the pollution all around. |
