| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a pressure detecting plug comprising: a joint body to be connected to a gas pressure detecting connection port; and a plug cylinder protruded on the downstream side thereof in an airtight state and having a socket connection part at the front end for a socket to be detachably connectable thereto, the plug cylinder having a reducible protruded length from the joint body when unused, and having the socket connection part being protrusive by a required length for connecting the socket when detecting gas pressure. <P>SOLUTION: The pressure detecting plug comprises the plug cylinder 20 storable in the joint body 10 in a forward/backward movable manner, and a locking means 1622 for preventing the backward movement of the plug cylinder 20 in the state where the plug cylinder 20 is protruded from the joint body 10 in the most forward moved condition for the socket 4 to be connectable to the socket connection part 2. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
