| 摘要 |
PROBLEM TO BE SOLVED: To provide a hook for firmly-bound junction capable of facilitating connection with a cross-shaped socket and connecting many ordinary hooks securely. SOLUTION: This hook 10 for locking junction is formed by bending a stainless steel raw material like a single bar. It is provided with a socket engaging part 12 whose root parts 12a and 12b adhere closely, whose end part sides 13a and 13b are opened, and which folds back respective of them in J-shape in a face substantially perpendicular to an annular face of a hook engaging part 11 by following the hook engaging part 11 formed annularly by bending a central part of the raw material. A part (a contact face of 12a and 12b) where the socket engaging part 12 adheres closely is welded. COPYRIGHT: (C)2005,JPO&NCIPI
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