A - Human Necessities – 24 – D
Patent
A - Human Necessities
24
D
131/17
A24D 3/00 (2006.01) A24D 3/04 (2006.01)
Patent
CA 1179232
Tobacco Product Abstract A tobacco product such as a cigarette having a tobacco column within a combustible wrap and a filter plug located at one end of the tobacco column to filter constituents of the mainstream smoke. The filter plug is disposed within a layer of plug wrap which preferably is nonporous and an outer tipping wrap surrounds the plug wrap. A plurality of grooves or depressions formed along the filter plug provide for a secondary flow-of air to the mouth of the smoker. An access opening communicating secondary air to each groove is defined by a plurality of perforations located in one or more rows or bands around the outer tipping paper. Depressions located along axes parallel to the axis of the filter member or disposed in a helical pattern may be used. In a second form of the invention, the access opening communi- cating secondary air to each groove is defined by an annular opening between individual portions of the outer tipping paper. In both forms of the invention the access opening is spaced away from the junction between the tobacco column and filter plug. The tobacco product has draw re- sistance lower than that typically found in conventional ventilated high filtration cigarettes.
395979
American Brands Inc.
Osler Hoskin & Harcourt Llp
LandOfFree
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