Patent ID: 7811220

Claim:
A device for processing filter tow material for the production of filters for rod-shaped smoking articles, said device comprising: a filter tow supply configured to supply at least two filter tow strips; at least two tow guideways, wherein each of the at least two filter tow strips is separately guided in a respective one of the at least two tow guideways; and a separately controlled processing apparatus assigned to each tow guideway for processing the respective filter tow strip, wherein each processing apparatus comprises: first and second drawing roller pairs, wherein the first drawing roller pair in one of the at least two tow guideways is arranged coaxial and side-by-side in a single unit with the first drawing roller pair in the other of the at least two tow guideways to define first inner and outer drawing roller pairs, and wherein the second drawing roller pair in one of the at least two tow guideways is arranged coaxial and side-by-side in a single unit with the second drawing roller pair in the other of the at least two tow guideways to define second inner and outer drawing roller pairs, and wherein the first and second inner and outer drawing roller pairs are positioned and supported on only one side.