| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a closing mechanism for a container mouth in which an operation to exfoliate an inner sealing member is not needed and sealing performance in re-sealing after exfoliating the inner sealing member is excellent. <P>SOLUTION: The closing mechanism is composed of a combination of a tubular mouth part provided on a container body and a cap to close the tubular mouth part, wherein the cap is provided, on the inner face side of the top part, with a contact face having a diameter capable of being in contact with the upper end face of the tubular mouth part, a leg part projecting from a predetermined position in an inner area than the contact part with the upper end face of the tubular mouth part and a seal supporting part having a ring inner packing part which is extended from the leg part as a starting point and parallel with the contact face and in an inner area than the contact part with the upper end face of the tubular mouth part and which is in contact with at least the inner face of the tubular mouth part, and an inner seal member to be in contact with the upper end face of the tubular mouth part is coated and bonded to the contact face in a state putting between the contact face and the seal supporting part. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
