| 摘要 |
An apparatus (10) for producing cigarette filter tubes (50) comprises a rotating delivery drum (22) and a supply of filter segments (54) from a hopper (18) and a supply (12) of paper wrapper to the delivery drum. The paper is partially wrapped around the filter segment. Thereafter, the paper wrapper and the filter segment are transferred together from the delivery drum to a rotating wrapping drum (28). Folding arms on the wrapping drum subsequently fold down flaps of the paper wrapper to complete the formation of a filter tube. Wrapping assist members may be inserted into the paper wrapper as the flaps are folded down to ensure that the tube is sufficiently round in shape. Additionally, the wrapping assist members and folding arms may be heated in order to promote faster curing of glue surfaces on the paper wrapper. A method for producing cigarette filter tubes is also described. |
