| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hinge cap capable of ensuring airtightness with a lid body closed while a through-hole in a base is prevented from clogging. <P>SOLUTION: The base 11 having the through-hole 11a and mounted on a container, and a lid body 13 having a projection 13p which can be inserted into the through-hole 11a by making an interval and linked through a hinge H so as to be swingable, are provided. An annular elastic member 1a arranged on the back face 13f of the lid body 13 so as to surround the projection 13p, and having a projecting shape for sealing around the projection 13p by coming into contact with the base 11 with the lid body 13 closed, is provided. An auxiliary elastic part 1b connected to the whole periphery of its inner edge so as to fill the whole inside of the inner edge and forming a gap between it and the base 11 each other under the condition that the lid body 13 is closed, is provided. <P>COPYRIGHT: (C)2008,JPO&INPIT |
