Cigarette and method of making same
AssigneeR. J. Reynolds Tobacco Company
InventorsVernon Brent Barnes, Donald Ross Wilkinson, Lloyd Harmon Hancock, Erwin Oesterling, Siegfried Schlisio, Werner Hinz
Life of this patent
Estimating the term…
Abstract
Cigarettes and methods of making them, in which an insulated fuel element is combined with a substrate assembly comprising a substrate within a tube, combining a roll of tobacco with a plug of tobacco paper, combining the fuel element/substrate assembly with the tobacco/tobacco paper assembly, and combining the resulting combination with a filter element to produce filter cigarettes. Methods of constructing the various and preferred subassemblies are also disclosed.
Claims9
A method of manufacturing cigarettes comprising the steps of:
- (a) continuously providing an insulated fuel element;
- (b) continuously providing a substrate section;
- (c) continuously combining said insulated fuel element and substrate section with an overwrap material to form a fuel-substrate section;
- (d) continuously providing a tobacco section;
- (e) continuously aligning the substrate end of the fuel-substrate section with the tobacco section and combining said sections with an overwrap to form a fuel-substrate-tobacco assembly;
- (f) continuously providing a filter element;
- and
- (g) continuously combining the filter element with the tobacco end of the fuel-substrate-tobacco assembly to form a filter cigarette.
Dependencies are inferred from the claim text.