| 摘要 |
A filter assembly machine having an input roller with spaced peripheral seats for cigarette groups, each group being to coaxial cigarettes with a double filter therebetween; and a rolling unit for said groups; the rolling unit having first and second conveying apparatus for the groups, supply apparatus to supply each group with a connecting strip, and wrapping apparatus to wrap a strip about the double filter and the ends of the two cigarettes, the first conveying apparatus having spaced group supports cooperating with the input roller for successively receiving said groups from said input roller, and for advancing said groups along a first portion of a given route; the second conveying apparatus being a speed-change conveying apparatus which is substantially tangent with said first conveying apparatus, and cooperates with the group supports for successively receiving said groups from the first conveying apparatus, and feeding the groups at reduced speed along a second portion of said route, said second route portion being located in series in relation to the first route portion; the supply apparatus cooperating with the first conveying apparatus to supply each said group with the respective connecting strip as the group is displaced by said first conveying apparatus along the first route portion; and with the wrapping apparatus comprising at least one rolling bed cooperating with the second conveying apparatus to define therewith a rolling channel for the groups.
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