| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a compact cap with a purge port, allowing a metallic stand pipe to be directly screwed in without deforming a purge opening. <P>SOLUTION: This cap with the purge port is composed of a tubular body 2 made out of a thermoplastic resin, and having a receiving port 3 for inserting a resin tube 20 at its one end side in a state of burying a heating wire 6 forming a fusion joining part with the resin tube 20 at an inner periphery of the receiving port 3, and a bottom part 4 at the other end side, and a bush 8 having a taper screw 82 for the tube having the purge opening 80 at its inner peripheral side, and made out of a material having mechanical strength higher than that of the resin of the tubular body 2, is fixed to the bottom part 4 of the tubular body 2. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
