DIFF Subgroup
B21C 47/02 Winding-up or coiling
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only > Winding-up or coiling
CPC:
Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only (coiling wire into particular forms B21F3/00) > Winding-up or coiling
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
Child Classifications
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- B21C 47/04 on or in reels or drums, without using a moving guide +1 CPC IPC+CPC Available in IPC and CPC
- B21C 47/08 without making use of a reel or drum, the first turn being formed by a stationary guide IPC+CPC Available in IPC and CPC