A - Human Necessities – 24 – B
Patent
A - Human Necessities
24
B
A24B 15/28 (2006.01) A24D 1/00 (2006.01)
Patent
CA 2339726
A process for the manufacture of a homogeneous fibriform element comprising a smoke-modifying agent. In the process a mixture comprising a solution of a polysaccharide (an alginate for example) and a smoke-modifying agent (menthol for example) is fed through nozzle means, and a jet of said mixture issuing from the nozzle means is brought into contact with a solution containing multivalent cations (such as calcium ions). Solidification of the mixture is thus effected. In a second aspect of the invention, a fibriform element is manufactured by passing a thread through a mixture comprising a solution of a polysaccharide and a smoke-modifying agent whereby the thread is coated with the mixture. The coated thread is brought into contact with a solution containing multivalent cations thus to effect solidification of the mixture on the thread. A fibriform element as manufactured by the inventive process and a smoking article comprising such a fibriform element are also claimed.
La présente invention concerne un procédé de fabrication d'un élément fibriforme homogène comprenant un agent modificateur de la fumée. Ce procédé consiste à prendre un mélange comprenant une solution d'un polysaccharide (par exemple un alginate) et un agent modificateur de la fumée (par exemple du menthol) et à alimenter ce mélange via un gicleur, puis à amener un jet de ce mélange en sortie du gicleur en contact avec une solution contenant des cations multivalents (tels que des ions calcium). Le procédé consiste alors à procéder à la solidification du mélange. Selon un second aspect de l'invention, pour fabriquer un élément fibriforme, on fait passer un fil dans un mélange comprenant une solution d'un polysaccharide et un agent modificateur de la fumée, le fil étant en l'occurrence enduit du mélange. Le procédé consiste alors à mettre le fil enduit en contact avec une solution contenant des cations multivalents de façon à faire solidifier le mélange sur le fil. L'invention concerne également, d'une part un tel élément fibriforme fabriqué selon le procédé de l'invention, et d'autre part un article à fumer comprenant un tel élément fibriforme.
British American Tobacco (investments) Limited
Fetherstonhaugh & Co.
LandOfFree
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