IMPROVEMENT REGARDING JOINT

摘要

PROBLEM TO BE SOLVED: To provide a means to be used for joining one or more pipes. SOLUTION: The improved means to be used for joining one or more pipes is provided for joining a tubular structure consisting of a plug to be inserted into a tubular structure having a plurality of mounting points. The plug has a rim whose cross section is larger than the inside cross section of the tubular structure, for controlling a limit that the plug can enter into the tubular structure. COPYRIGHT: (C)2007,JPO&INPIT