Patent ID: 9681683
Date: 2017-06-20
CPC Classifications: A24C,B65B,B65G

Claim:
1. A feeder device of plugs of filter material with reduced longitudinal dimensions in a machine for the tobacco industry, comprising: a main feeder roller having a plurality of main feeder roller active peripheral flutes each acting to hold a respective one of the plugs, the main feeder roller configured to pass the plugs on to respective flutes on corresponding handling rollers of a main line of feed of the plugs in the machine; a filling device for filling the main feeder roller active peripheral flutes, the filling device comprising: first and second primary rollers, a first feeding and passing on device and a second feeding and passing on device for feeding and passing on respective groups of the plugs to the respective first and second primary rollers, which rotate continuously and which have respective primary roller active peripheral flutes acting to hold the respective groups of the plugs, and from the respective primary roller active peripheral flutes to corresponding groups of main feeder roller active peripheral flutes; first and second housing and releasing devices for housing and releasing the respective groups of the plugs; the first and second feeding and passing on devices including, respectively, first and second transferring devices for transferring the respective groups of the plugs withdrawn from corresponding first and second housing and releasing devices; each of the first and second primary rollers continuously receiving the respective groups of the plugs from the corresponding first and second transferring device, each of the first and second transferring devices comprising a first carrier and a second carrier, movable in sequence between the respective first and second housing and releasing device and the respective first and second primary roller; the groups of main feeder roller active peripheral flutes being located one after the other.