DIFF Subgroup
B21C 1/02 Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
Introduced: September 1968
Full Title
Manufacture of metal sheets, wire, rods, tubes or like semi-manufactured products by drawing > Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
Child Classifications
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- B21C 1/12 Regulating or controlling speed of drawing drums, e.g. to influence tension; Drives; Stop or relief mechanisms IPC+CPC Available in IPC and CPC
- B21C 1/14 Drums, e.g. capstans; Connection of grippers thereto; Grippers specially adapted for drawing machines or apparatus of the drum type; Couplings specially adapted for these drums IPC+CPC Available in IPC and CPC