US Patent 10010110 Electrically operated aerosol generating system

A rod is provided, formed from a first sheet including an aerosol-forming material and a second sheet including a non-tobacco material, the first and second sheets being gathered together and circumscribed by a wrapper. The rod may be used as a component part of an aerosol-generating article. The second sheet preferably includes a material configured to modify an aerosol evolved from the aerosol-forming material or to modify other properties of the rod.