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Classification
B21L
ClassID:
39346
⎘
B21L - CPC Classification
Classification description:
Sub-classes:
B21L1/00 »
Making chains or chain links by bending work-pieces of rod, wire, or strip to form links of oval or other simple shape
3
B21L11/00 »
Making chains or chain links of special shape
11
B21L13/00 »
Making terminal or intermediate chain links of special shape; making couplings for chains, e.g. swivels, shackles
3
B21L15/00 »
Finishing or dressing chains or chain links, e.g. removing burr material, calibrating
20
B21L19/00 »
Appurtenances for chain-making not restricted to any particular process
5
B21L21/00 »
Tools or implements for repairing chains using metal-working operations. e.g. for detaching deformed chain links
28
B21L3/02 »
Machines or devices for welding chain links
3
B21L5/02 »
in such a way that interconnected links are formed
2
B21L7/00 »
Making chains or chain links by cutting single loops or loop-parts from coils, assembling the cut parts and subsequently subjecting same to twisting with or without welding
3
B21L9/02 »
of roller-chain or other plate-link type
10
B21L99/00 »
Subject matter not provided for in other groups of this subclass
8