| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a reliably functioning check valve, and a container with the check valve. <P>SOLUTION: The check valve comprises a tubular body 4 provided on a discharge port of a fluid container and having a through-passage installed thereon, a valve element 5 formed of an elastic material having an opening part near a tip thereof installed thereon so as to cover the tubular body, and a skin body having an opening part near a tip thereof installed thereon so as to cover the valve element. The valve element 5 is formed of an elastic material, and the opening part formed in a vicinity of a top part is a slit which is tightly closed in a normal state by the elastic force of the valve element itself, and is opened from the tightly closing by the internal pressure of the container. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
