| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a spout reinforcement structure where no rust occurs if a metal pipe is inserted in the interior space. <P>SOLUTION: A reinforcement member 4 is provided that is pressure-welded to the inner surface of an interior space 2 at two or more points and has rigidity and strength higher than those of a spout 1, and a face 41 of the reinforcement member 4 that faces a pipe 3 is formed of nonmetal. <P>COPYRIGHT: (C)2013,JPO&INPIT |
