Making chains or chain links by bending workpieces of rod, wire, or strip to form links of oval or other simple shape (B21L3/00, B21L7/00 take precedence)

Child Classifications

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• B21L 1/02 by bending the ends of the workpieces to abut
• B21L 1/04 by bending and interconnecting the ends of the workpieces with or without separate jointing members