A process for the preparation of a tobacco sheet consisting of at least two, essentially of restored tobacco particles existing layers and apparatus for exercise of the method

摘要

A tobacco foil is made from at least two plies each comprising a film of predominantly reconstituted tobacco particles. Preferably, an intermediate layer of cellulose or comminuted tobacco ribs or porous inorganic materials is provided between the films. The intermediate layer may contain one or more active substances such as tobacco extract, burn control agents, ascorbic acid, magnesium perborate, odurants or flavourants. The films are precipitated from an aqueous suspension, combined and then dehydrated by pressing and thermal drying. Precipitation is carried out on a double sheet former comprising two endless screens which are inclined to one another in the sheet-forming region.