| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electric fusion joint having the permeation preventive function of an organic fluid. <P>SOLUTION: This electric fusion joint has a joint through-hole inner wall surface composed of a fusible synthetic resin layer fusible and joinable by current supply heating on and to a synthetic resin pipe outer wall inserted and arranged from both end openings; and has a barrier layer for checking permeation of an organic liquid or gas fuel in the thickness direction from the through-hole inner wall surface. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
