DIFF Subgroup
B21D 19/14 Reinforcing edges, e.g. armouring same
Introduced: September 1968
Title
Titles differ between systems:
IPC: Reinforcing edges, e.g. by armouring
CPC: Reinforcing edges, e.g. armouring same
Full Title
Full titles differ between systems:
IPC:
Flanging or other edge treatment, e.g. of tubes > Edge-curling > Reinforcing edges, e.g. by armouring
CPC:
Flanging or other edge treatment, e.g. of tubes (connecting by making use of folds B21D39/00; flaring-out tube ends B21D41/02) > Edge-curling > Reinforcing edges, e.g. armouring same
No child classifications to compare. This is a leaf node in both IPC and CPC.