| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lightweight plug structure of a beverage container at a low cost capable of eliminating a trouble that a content is jetted out by a high pressure by performing the internal pressure reduction and the spout of the content with the time difference therebetween by a simple structure when spouting the content. <P>SOLUTION: The plug structure of the beverage container body 21 comprises the beverage container body 21 and a plug body 30 mounted on an opening part of the beverage container body 21. The plug body 30 has a valve member 70 and a middle plug 50 having a liquid passage 56 for spouting a content and a passage 64 for releasing the pressure in the container body 21. When the valve member 70 is opened, the valve member 70 firstly opens the container body 21 in the passage 64, and opens the container body 21 to both passages by providing the time difference so as to open the container body 21 to the liquid passage 56. <P>COPYRIGHT: (C)2008,JPO&INPIT |
