Tobacco – Smoke separator or treater – By adding constituent to smoke stream
Patent
1990-01-10
1991-10-22
Millin, V.
Tobacco
Smoke separator or treater
By adding constituent to smoke stream
131340, 131344, A24D 304, A24D 318
Patent
active
050586084
ABSTRACT:
A filter cigatette comprises a tobacco rod having a tobacco mixture with a low packing or filling density, a first filter element racing the tobacco rod, having a retention capacity of 40 to 80% and consisting of a fibrous material having a low single denier and a high total denier, a second filter element facing the mouth of the smoker and having a retention capacity of 15% at the maximum, and a hollow chamber formed between the two filter elements and having a length of 3 to 7 mm at an overall length of the filter between 18 and 30 mm. The two filter elements and the hollow chamber are surrounded by a paper wrapper and an air-permeable tipping paper with a ventilation zone in the region of the hollow chamber; said ventilation zone ensures a ventilation degree of 50 to 85% and is created on the finished cigarette by laser beams or by mechanically produced perforations through both papers.
In this way a more intensive taste sensation can be achieved together with a low nicotine to condensate ratio.
REFERENCES:
patent: 2819720 (1958-01-01), Burbig
patent: 3396733 (1968-08-01), Allseits
patent: 3847161 (1974-11-01), Morgenstern
patent: 4273141 (1981-06-01), Van Tilburg
Prospects of Filtrona.
"Beitrage zur Tabakforschung International", vol. 12, No. 4, 178, 179 1984.
German Utility Model No. 1 794 665.
Die Tabakzeitung, 28 Aug. 1984.
Norman, V., "The Effect of Perforated Tipping Paper on the Yield of Various Smoke Components", Beitrage zur Tabakforschung, Band 7, Helf 5, Sep. 1974, pp. 282-287.
Copy of Affidavit of Albert B. Hudson to DE 36 25 593.
Henning Paul-Georg
Schneider Werner
B.A.T. Cigarettenfabriken GmbH
Millin V.
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