B21D 11/02 Bending by stretching or pulling over a die (working sheet metal of limited length by stretching B21D25/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Bending by stretching or pulling over a die
CPC: Bending by stretching or pulling over a die (working sheet metal of limited length by stretching B21D25/00)
Full Title
Full titles differ between systems:
Bending not restricted to forms of material mentioned in only one of groups , ,; Bending not provided for in groups; Twisting > Bending by stretching or pulling over a die
Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00 (corrugating or bending into wave form B21D13/00, B21D15/00; flanging B21D19/00); Twisting > Bending by stretching or pulling over a die (working sheet metal of limited length by stretching B21D25/00)
No child classifications to compare. This is a leaf node in both IPC and CPC.