摘要 |
889,550. Making cigarette filters. KÍRBER, K. May 15, 1959 [July 4, 1958], No. 16709/59. Class 130. [Also in Group XXVIII] To cause the edges of a recess filter stiff wrapper B3, Fig. 4, to lie snugly on its filter plug F3, the strip 3, Fig. 1, from which wrappers are severed on a suction drum 4 by knife means 5, is, before passing gumming means L, preformed by rolls 6, 7 at the positions of ultimate severance. The edges of the wrapper B3 may be lapped when an outer cigarette paper wrapper P1 is dispensed with. |