| 摘要 |
PROBLEM TO BE SOLVED: To improve the durability of a clip in a locking piece for retaining to the clip mounted on a connection part of connection pipes. SOLUTION: This locking piece 1 is formed from a metallic piece integrally with a pipe connecting structure wherein the connection part 300 is formed by joining connection pipes 100, 200 respectively having flange parts, with each other, the retaining clip 400 provided with opening pieces 403, 404 at its both ends is mounted on the connection part 300, and the flange parts at the connection part are partially inserted into window parts 405, 406 formed on the clip 400. The locking piece 1 has a first fixed part 4 fixed to one opening piece of the clip 400, a second fixed part 5 having a face kept into contact with an outer face of the other opening piece, and an arc-shaped part connecting the first fixed part 4 and the second fixed part 5 and having an oblong hole part 2 to which a part of the connection part is fitted. COPYRIGHT: (C)2006,JPO&NCIPI
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