?1881Cop winder [see cop reeler n.]. 1907 11 Feb. 4/6 The reelers, hank makers, cop-winders, gassers, and doublers.
1921 (1927) §367 Cop Winder; (i) winds yarn from cops, short cylindrical paper tubes, on to bobbins; (ii) winds weft yarn from spinning frame bobbins, or from hanks, into form of cops.