| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a spout plug capable of avoiding any liquid leakage in a commodity distribution stage by increasing the fitting force of a lid body before unsealing a container. <P>SOLUTION: The spout plug includes a base body 2a which is provided with a spout cylinder 2a<SB>1</SB>for spouting a content and fixed and held on a mouth part 1a of a container 1, and a lid body 2b which is connected to the base body 2a via a hinge h in an opening/closing manner to seal the spouting cylinder 2a<SB>1</SB>by fitting a bar-shaped projecting part 2b<SB>1</SB>to a passage of the spout cylinder 2a<SB>1</SB>. An annular body 2b<SB>2</SB>for surrounding the spouting cylinder 2a<SB>1</SB>with a space formed therebetween is provided on the lid body 2b. A stopper 3 is arranged in a space formed by the annular body 2b<SB>2</SB>and the spouting cylinder 2a<SB>1</SB>, while an outer wall part thereof is fitted so as to be attachable and detachable to an inner wall of the annular body 2b<SB>2</SB>of the lid body 2b, and an inner wall part thereof is fitted so as to be attachable and detachable to an outer wall of the spout cylinder 2a<SB>1</SB>. <P>COPYRIGHT: (C)2008,JPO&INPIT |
