Search International and National Patent Collections

1. (WO2018220509) AN IMPROVED METHOD FOR TREATING STEMS AND/OR LEAF VEINS OF TOBACCO

Pub. No.:    WO/2018/220509    International Application No.:    PCT/IB2018/053778
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Tue May 29 01:59:59 CEST 2018
IPC: A24B 5/16
A24B 3/04
Applicants: COMAS - COSTRUZIONI MACCHINE SPECIALI - S.P.A.
MAGG CONSULTING S.R.L.
Inventors: MARTIN, Mario
MATARAZZO, Francesco
Title: AN IMPROVED METHOD FOR TREATING STEMS AND/OR LEAF VEINS OF TOBACCO
Abstract:
An improved method for treating, preferably by the expansion treatment, the stems of tobacco and/or leaf veins (1) of tobacco, in particular those discarded by cigarette making machines,providing the sequence of the following steps: - a step (2) of moistening said stems and/or leaf veins (1) such that said stems and/or leaf veins (1) have a moisture at the end of said step, which is measured on moisture basis, ranging from 35 to 85% and a volume which is greater than the initial volume thereof before said moistening step (2), - at least one laminating step (4) of said previously moistened stems and/or leaf veins (1), such that the stems and/or the leaf veins have a thickness ranging from 0.07 to 1.7 mm at the end of the laminating, - at least one drying step (5) of said previously moistened and laminated stems and/or leaf veins (1), such that said stems and/or leaf veins (1) have a moisture ranging from 20 to 40% at the end of said step, and characterized in that : - said at least one laminating step (4) is carried out immediately after said moistening step (2), - said at least one drying step (5) is carried out immediately after said at least one laminating step (4).