| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pipe connection structure which prevents anybody from easily loosening a screw connection part and removing a pipe with loosening the screw connection part after pipe connection and which facilitates manufacturing, a valve using the pipe connection structure, a pipe joint, and a refrigeration device. <P>SOLUTION: This pipe connection structure is provided with a joint body 1 attached to an apparatus to be connected, a connection member 2 externally installed on piping P to be connected, and a screw part having an external screw part 24a formed on one end and an internal screw part 13a on another end so as to enable fastening of joint body 1 and a joint member 2 by screw. Fastening is completed with getting under a condition where a part of the external screw part 24a or the internal screw 13a constructing the screw part is damaged. <P>COPYRIGHT: (C)2009,JPO&INPIT |
