| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a plug which secures sealing performance before unsealing, can easily be unsealed by anybody when unsealing for the first time, does not spill a content upon the unsealing, and can close a cap again after opening for preservation in the plug for a container attached to an upper part of the container manufactured by sealing a sheet, and to provide a plug which simplifies a manufacturing process, and can be configured of only an injection molding member. <P>SOLUTION: In the plug for a container which is composed of: a mouth provided with a cylindrical discharging port provided with a screw at a periphery, and a fringe piece welded to a container body at one end thereof; and a cap having a screw inside. The mouth is provided with: a discharging port closing part linked to the discharging port by a thin fragile line; a pole erecting on a closing face; and a ring at a tip of the pole, a mechanism engaged with a fitting detent in the cap is provided around the ring, and the plug for a container is a structure in which the thin fragile line is fractured by opening the cap, and the discharging port closing part is opened. <P>COPYRIGHT: (C)2013,JPO&INPIT |
