DIFF Subgroup
B21C 47/04 on or in reels or drums, without using a moving guide
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 > on or in reels or drums, without using a moving guide
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 > on or in reels or drums, without using a moving guide
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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- B21C 47/06 with loaded rollers, bolts, or equivalent means holding the material on the reel or drum +2 CPC IPC+CPC Available in IPC and CPC