×

Wick suitable for use in an electronic smoking article

  • US 9,854,847 B2
  • Filed: 11/13/2014
  • Issued: 01/02/2018
  • Est. Priority Date: 01/30/2013
  • Status: Active Grant
First Claim
Patent Images

1. A method of forming an aerosol in a smoking article, the method comprising initiating current flow from an electrical power source within the smoking article to a resistance heating wire within the smoking article, the heating wire being intertwined with a wick formed of a plurality of individual filaments aligned in a brush-like configuration, the individual filaments each comprising an affixed end and a free end, so as to cause heating of the heating wire and vaporization of an aerosol precursor composition transported by the wick;

  • wherein the smoking article comprises a central axis extending the length of the smoking article and an exterior shell wall, and the wick is positioned within the smoking article such that the aerosol precursor composition is transported outward from the central axis toward the exterior shell wall or is transported inward, relative to the exterior shell wall, toward the central axis.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×