Patents Assigned to China Tomacco Hunan Industrial Co. Ltd.
  • Patent number: 8007637
    Abstract: This invention relates to a production process of tobacco sheet by papermaking. The technical arrangement of this invention are: (a). to immerge and to extract tobacco stem and leaf scrap respectively by water-soluble solvents to respectively obtain solid tobacco stem and solid leaf scrap, and tobacco stem extract and leaf scrap extract via solid/liquid separation; (b). to defibrilate solid tobacco stem and solid leaf scrap respectively, to mix the obtained tobacco stem fiber and leaf scrap fiber and combined with dust to prepare fiber base; (c). to wholly or partly abnegate the tobacco stem extract obtained by Step (a), and to evaporated and to concentrate other extracts that then are sprayed or immerged to coat the formed fiber base that is then dried, threshed and shaped. The tobacco sheet production process offered by this invention has improved the tobacco sheet's filling capacity and its sensory quality.
    Type: Grant
    Filed: March 24, 2006
    Date of Patent: August 30, 2011
    Assignee: China Tomacco Hunan Industrial Co. Ltd.
    Inventors: Jianfu Liu, Xinliang Tan, Jianshan Fu, Dafeng Yin, Changjian Deng, Gang Chen