| 摘要 |
A cigarette rod making machine wherein the flow of loosely intermingled tobacco shreds, tobacco ribs and foreign objects (such as nuts, bolts, pieces of wire and/or particles of plastic material) is classified to segregate the ribs and foreign objects from the shreds. The ribs are thereupon separated from foreign objects in a sifter and are comminuted in a rotary cutter prior to being readmitted into the flow downstream of the classifying location(s). Successive increments of the flow are converted into successive increments of a stream which carries a surplus of shreds and is trimmed for conversion into a filler which is ready to be wrapped into cigarette paper. The comminuted ribs are admitted into the flow at a location such that they are confined in the central portion of the filler.
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