for placing protecting sheets, plugs, or wads over contents, e.g. cotton-wool in bottles of pills

Full Title

Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages > for adding cards, coupons or other inserts to package contents (adding unpacking elements B65B61/18) > for placing protecting sheets, plugs, or wads over contents, e.g. cotton-wool in bottles of pills