Process for making a bandcast tobacco sheet and smoking article therefrom
View Patent ↗A bandcast tobacco sheet for use in a cigarette includes from about 5 to 15% by weight of wood pulp, from about 15 to 40% by weight of binder and from about 15 to 40% by weight of tobacco. A humectant may be included up to 30% by weight and an additive, such as menthol, may be added to up about 30% by weight. A bandcast tobacco sheet is used in elongated strips along the outer surface of a tobacco rod between the tobacco rod and an inner surface of an outer wrap of cigarette paper.
1. A cigarette with burn rate modification comprising:
a tobacco column surrounded by an outer wrap paper; and,
a partial inner wrap material comprising a plurality of substantially equidistantly spaced partial inner wrap strips extending substantially along said tobacco column and positioned away from a seam of said outer wrap, said partial inner wrap strips being less than about 15 mm in width, said partial inner wrap strips being of a bandcast tobacco sheet which is comprised of from about 5 to 15% by weight of wood pulp, from about 15 to 40% by weight of binder, and from about 15 to 40% by weight of tobacco, said tobacco and said binder being in a ratio of about 1.0 to 1.0.
2. The cigarette of claim 1 including up to about 30% by weight of menthol in said inner wrap.
3. The cigarette of claim 2 wherein said menthol is approximately 20% by weight of said inner wrap.
4. The cigarette of claim 1 including up to about 30% by weight of a humectant in said inner wrap.
5. The cigarette of claim 4 , said humectant being glycerine.
6. The cigarette of claim 5 , said glycerine being approximately 13.5% by weight.
7. The cigarette of claim 1 , said binder being an alginate.
8. The cigarette of claim 7 , said alginate being sodium alginate.
9. The cigarette of claim 8 , said sodium alginate being about 27% by weight.
10. A bandcast tobacco sheet which is comprised of from about 5 to 15% by weight of wood pulp, from about 15 to 40% by weight of binder, and from about 15 to 40% by weight of tobacco, said tobacco and said binder being in a ratio of about 1.0 to 1.0.
11. The sheet of claim 10 including up to about 30% by weight of menthol.
12. The sheet of claim 11 wherein said menthol is approximately 20% by weight of said sheet.
13. The sheet of claim 10 including up to about 30% by weight of a humectant.
14. The sheet of claim 13 , said humectant being glycerine.
15. The sheet of claim 14 , said glycerine being approximately 13.5% by weight.
16. The sheet of claim 10 , said binder being an alginate.
17. The sheet of claim 16 , said alginate being sodium alginate.
18. The sheet of claim 17 , said sodium alginate being about 27% by weight.
19. The sheet of claim 10 formed in a plurality of longitudinal strips, said strips inserted into a cigarette adjacent a column of tobacco.
20. The sheet of claim 19 wherein said plurality of longitudinal strips are a first and a second strip equidistant from each other, and positioned away from the seam of the outer warp of said cigarette.