Patent ID: 6026820
Filing Date: 2000-02-22
Classification: A24D,A24F

Abstract:
A method of manufacturing a tobacco web comprising a base web and a layer of tobacco material, said tobacco web being foldable into a tubular form as part of a cigarette operative with an electrical cigarette lighter, said method comprising the steps of:separating solubles from fibers of a tobacco feedstock, said solubles being in solution comprising 5 to 10% by weight dissolved tobacco constituents;producing a base web by forming a slurry of said separated tobacco fiber and a strengthening agent so as to form a slurried mixture and casting said slurried mixture onto a web forming apparatus;producing a tobacco material by mixing said 5 to 10% solution of tobacco constituents with additional tobacco particles and at least one of glycerin and pectin so as to form a dispersion of tobacco material and adjusting water content so as to achieve in said dispersion a solids content in the range of approximately 20 to 35%;applying said dispersion of tobacco material along said base web to form a sheet of said tobacco web;adjusting at least one of moisture content and temperature of said sheet of tobacco to a condition such that said sheet of tobacco is essentially non-binding upon itself;winding said sheet of said tobacco web so as to form a roll of tobacco web; andslitting said roll of tobacco web so as to produce a bobbin of tobacco web.