Making chains or chain links of special shape

Child Classifications

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• B21L 11/005
• B21L 11/02 each link being formed of a single member of which both ends are bent or shaped to engage the middle portions of the next link
• B21L 11/10 the chain links having opposed correspondingly shaped cylindrical and hook-like parts of which one parts forms a hinge-like support for the adjacent link (B21L11/02 takes precedence)
• B21L 11/12 Forming bead chains
• B21L 11/14 Making chain links with inserted or integrally-formed studs