Ultralight coaxial cigarette including a multipart filter

Details Ultralight coaxial cigarette including a multipart filter Ultralight coaxial cigarette including a multipart filter

1998-05-19

2000-07-18

Silverman, Stanley S.

Tobacco

Smoke separator or treater

Having means to vary smoke flow rate

131336, 131341, 131360, 131364, A24D 304

Patent

active

060892382

ABSTRACT:
The invention relates to a coaxial cigarette including a coaxial tobacco rod comprising a rod core, a rod core wrapping, a rod jacket and a rod jacket wrapping and a multi-part ventilated filter wherein the filter comprises a filter wrapping as well as at least two longitudinal segments of which at least one is a coaxial filter segment having a core element, a core element wrapping and a jacket element and wherein the ratio of the resistance to draw of the rod core to the resistance to draw of the rod jacket is greater than unity and preferably in the range of 2 to 4.

REFERENCES:
patent: 4874004 (1989-10-01), Borowski
patent: 5265626 (1993-11-01), Schneider et al.
patent: 5379789 (1995-01-01), Schneider et al.
patent: 5439011 (1995-08-01), Schneider
patent: 5549125 (1996-08-01), White
patent: 5730160 (1998-03-01), Schneider

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