MULTI-SEGMENT FILTER TUBE Russian patent published in 2019 - IPC A24D3/02 

Abstract RU 2678677 C2

FIELD: smoking accessories.

SUBSTANCE: invention relates to a filter tube, which comprises an empty paper tube and a filter attached to the empty paper tube, wherein said empty paper tube protrudes in one direction of the filter and is suitable for placement of a tobacco rod therein, wherein the filter comprises a first filter segment, a second filter segment and a third filter segment, wherein the first filter segment is located at the mouth end of the filter tube, the second filter segment is located upstream of the first filter segment and the third filter segment is located upstream of the second filter segment.

EFFECT: technical result is to ensure the integrity of the tube.

18 cl, 2 dwg

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RU 2 678 677 C2

Authors

Risso, Luca

Bonici, Alberto

Dates

2019-01-30Published

2014-12-16Filed