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PCE
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DIFF Subgroup
B21L 3/04

by making use of forge or pressure welding

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Making chains or chain links by bending the chain links or link parts and subsequently welding or soldering the abutting ends > Machines or devices for welding chain links > by making use of forge or pressure welding

CPC:

Making chains or chain links by bending the chain links or link parts and subsequently welding or soldering the abutting ends (B21L7/00 takes precedence) > Machines or devices for welding chain links > by making use of forge or pressure welding

No child classifications to compare. This is a leaf node in both IPC and CPC.