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US 5,249,586 AGranted
Electrical smoking
AssigneePhilip Morris Incorporated
InventorsConstance H. Morgan, Walter A. Nichols
Life of this patent
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Abstract
An article is provided in which a replaceable tobacco flavor medium is electrically heated by a set of permanent reusable heaters to evolve inhalable flavors or other components in vapor or aerosol form. Each heater heats only a portion of the available tobacco flavor medium so that a plurality of individual puffs of tobacco flavor substance can be delivered sequentially to the smoker. The tobacco flavor medium preferably contains tobacco materials.
Claims37
An electrical smoking article for delivering to a smoker an inhalable tobacco flavor substance, said article comprising:
- a plurality of electrical heating means disposed in a cavity;
- a source of electrical energy for powering said plurality of electrical heating means;
- control means for applying said electrical energy to said electrical heating means to heat, at any one of a predetermined number of times, at least one but fewer than all of said plurality of electrical heating means;
- and
- a removable portion of tobacco flavor medium received in said cavity in proximity to said plurality of electrical heating means;
- whereby:
- when any one of said plurality of electrical heating means is activated, a respective fraction of said removable portion of tobacco flavor medium in contact with said one of said heating means is heated, delivering a predetermined quantity of tobacco flavor substance to said smoker.
4 more elements
Dependencies are inferred from the claim text.