WELDED JOINT

摘要

PROBLEM TO BE SOLVED: To provide a welded joint permitting the indication of an information code of larger capacity irrespective of its size and shape. SOLUTION: An information code indication member 3a comprising a fixing part 31, an indication part 32 for a bar code 4, and a connecting part 33 interposed between the fixing part 31 and the indication part 32 is fixed to a joint body 2a only at its fixing part 31 so that the indication part 32 is held by the joint body 2a through the connecting part 33 without being fixed thereto.