| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce manufacturing cost and the occurrence of leakage, and to prevent the occurrence of electric corrosion, in a pipe coupling device constituted for connecting a cylindrical coupling member 3 to a mating pipe member 2, by putting and fixing the coupling member on and to one end part of a metallic pipe 1. <P>SOLUTION: The coupling member 3 is hard synthetic resin made, and this coupling member is integrally molded on an outer peripheral surface in the one end part of the metallic pipe 1. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
