| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a piping member easily connectable to a mating pipe without requiring caulking of fittings for connection with the mating pipe when assembling to a vehicle body, and provided with a resin tube hardly broken even when bending force is applied, as a main element. <P>SOLUTION: The piping member 13 for transporting fuel is constructed by combining the resin tube 14 and a connector 16 for connection with the mating pipe. The connector 16 has a connector body including a retainer holding part, a retainer engaged with the mating pipe and fixing it axially, and an O-ring air-tightly contacting the outer peripheral face of the mating pipe. The resin tube 14 is a thin-diameter tube having a laminated structure including an inner ETFE layer 14A as a fuel barrier layer and an outer PA layer 14B with an outer diameter less than 6 mm. A ratio d<SB>2</SB>/t of the outer diameter d<SB>2</SB>of the tube 14 to the thickness t is set in a range of 4 to 8. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
