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US 5,996,589 AGranted
Aerosol-delivery smoking article
AssigneeBrown & Williamson Tobacco Corporation
InventorFrank Kelley St. Charles
Life of this patent
Estimating the term…
Abstract
The present invention relate to a smoking device where heated air forms an aerosol which is conveyed to a user without significant burning or combustion of the aerosol supported substrate.
Claims14
An article for delivering an aerosol to a user, comprising:
- an open-ended hollow tube defining an air passageway between a heat receiving end and a mouth end thereof, the tube being non-combustible upon application of a flame;
- a substrate containing an aerosol forming component, said substrate having a distal end and positioned within said tube, said distal end being spaced from said heat receiving end to form a continuous air gap of sufficient length to prevent combustion of said substrate when a flame is disposed adjacent to said heat receiving end;
- and
- a heat diffuser disposed in said continuous air gap, said heat diffuser having a plurality of holes permitting transmission of hot gases and blocking the flame.
1 more element
Dependencies are inferred from the claim text.