| 摘要 |
A device for wrapping a junction band (T) around the abutting ends of two aligned cigarettes (S) and one double filter (F) interposed therebetween includes a rotary supporting drum (1) having a peripheral assembly of equally spaced wrapping units. Each wrapping unit includes a wrapping member (12) affixed to in the drum and having an active concave surface (212), and an associated wrapping member (11) which is angularly movable with respect to the fixed wrapping member and which has an active convex surface (111). The movable wrapping member is moved cyclically with respect to the fixed wrapping member, starting from an initial angular position (B) where the active surface of the movable wrapping member is exposed and a receiving end portion thereof receives a cigarettes-and-filter assembly, with a junction band being attached thereto by an end margin thereof. The receiving end then moves towards the fixed wrapping member, whereupon, the cigarettes-and-filter assembly meets the fixed wrapping member and is rolled thereby over the active surface of the movable wrapping member to wrap the junction band. The wrapping operation terminates at an angular position (C) where the active surface of the movable wrapping member and a delivery end portion thereof are directed toward the active surface of the fixed wrapping member. The movable wrapping member then rotates back to the initial position, and during this return movement is picked up from the delivery end of the movable wrapping member.
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