FIELD: tobacco industry.
SUBSTANCE: tobacco filter contains additives applied on surface in the form of fibres, elementary threads or films, at the same time ratio of resistance at tobacco filter draw to mass of additives in tobacco filter is more than 1 mg/daPa, at the same time tobacco filter has channel structure, and filtering material represents an item of flat shape.
EFFECT: tobacco filter, in process of smoking, together with especially high filtration capacity, differs by low resistance when inhaled and is relatively simple to manufacture.
24 cl, 1 tbl, 2 ex
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|---|---|---|---|
| FILTER CIGARETTE | 1996 |
|
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| FILTER MATERIAL AND/OR FILLER MATERIAL FOR A MOUTHPIECE FOR USE WITH A SMOKING PRODUCT OR HNB PRODUCT, MOUTHPIECE AND CIGARETTE FILTER CONTAINING SUCH FILTER MATERIAL AND/OR FILLER MATERIAL, AND METHOD FOR PRODUCING SUCH FILTER MATERIAL AND/OR FILLER MATERIAL | 2020 |
|
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|
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