Process to reduce or suppress cigarette spotting; cigarette...

Details Process to reduce or suppress cigarette spotting; cigarette... Process to reduce or suppress cigarette spotting; cigarette...

A - Human Necessities

24

D

131/8

A24D 1/00 (2006.01) A24D 1/02 (2006.01)

Patent

CA 2023079

The invention concerns cigarette spotting. To reduce or suppress cigarette paper spotting, cigarette is equiped with an inner wrapper placed between tobacco and the external enveloppe, this inner wrapper being a paper made of cellulose fibres, with a basis weight at the utmost equal to 30 g/m2, presenting pores made during paper manufacture, or perforations made after manufacture in such a way that the air permeability is at least 500 coresta units. This invention applies to all cigarettes and similar smoking products.

Cette invention concerne un moyen d'éviter les tachetures sur les cigarettes, soit la mise en place d'une doublure entre le tabac et le tube de papier, la doublure étant en papier à base de fibres de cellulose dont la force est d'au plus 30 g/m2 et dont la porosité obtenue à la fabrication ou par perforation subséquente donne une perméabilité à l'air de 500 unités coresta. Cette invention s'applique à toutes les cigarettes et à tous les produits de tabac analogues.

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