| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a switch which inhibits corrosion of a pressure discharge plate. <P>SOLUTION: A switch 10 includes: a container 12 in which a switch opening and closing a contact is housed and a pressure discharge hole 52 for releasing an internal pressure is formed; an annular first seal member 60 which is attached to a periphery of the pressure discharge hole 52 at the outer side of the container 12 and is used for keeping airtightness in the container 12; a pressure discharge plate 62 which closes the pressure discharge hole 52 through the first seal member 60 and is deformed by the internal pressure of the container 12; a perforating member 64 which is disposed at the outer side of the pressure discharge plate 62, contacts with the deformed pressure discharge plate 62, and makes holes thereon; and a second seal member 66 covering the pressure discharge plate 62 and the perforating member 64 from the outer side. <P>COPYRIGHT: (C)2013,JPO&INPIT |
