B21D 31/06 Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming (forging hammers B21J7/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming
CPC: Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming (forging hammers B21J7/00)
Full Title
Full titles differ between systems:
Other methods for working sheet metal, metal tubes, metal profiles > Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming
Other methods for working sheet metal, metal tubes, metal profiles (deforming one surface of tubes helically by rolling B21H3/00; upsetting B21J5/08; working metal by removing material therefrom B23; embossing B44B) > Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming (forging hammers B21J7/00)
No child classifications to compare. This is a leaf node in both IPC and CPC.