DIFF Subgroup
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
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 > 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
No child classifications to compare. This is a leaf node in both IPC and CPC.