DIFF Subgroup
B21D 19/16 Reverse flanging of tube ends
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Flanging or other edge treatment, e.g. of tubes > Reverse flanging of tube ends
CPC:
Flanging or other edge treatment, e.g. of tubes (connecting by making use of folds B21D39/00; flaring-out tube ends B21D41/02) > Reverse flanging of tube ends
No child classifications to compare. This is a leaf node in both IPC and CPC.