CPC A24D 3/0216 (2013.01) | 4 Claims |
1. A method of forming a cigarette filter rod member defining a longitudinal axis, the method comprising:
forming a continuous supply of a filter material into a continuous cylindrical rod member using a rod-forming unit;
engaging a plurality of frangible microcapsule objects with a carrier using an insert forming unit by depositing at least a portion of the plurality of microcapsule objects into regularly-spaced troughs along a continuous corrugated member; and
inserting the carrier carrying the plurality of frangible microcapsule objects into the rod member using an insertion unit.
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