Production method for producing wrapper for cigarettes

Details Production method for producing wrapper for cigarettes Production method for producing wrapper for cigarettes

D - Textiles, Paper

21

H

D21H 27/00 (2006.01) A24D 1/02 (2006.01) D21H 19/10 (2006.01) F26B 13/04 (2006.01)

Patent

CA 2713424

Disclosed is a cigarette packaging material manufacturing method, wherein a liquid flame retardant is applied intermittently on one side of a web in the web run process to form undried band layers at a prescribed interval in the machine direction of the web, while water is applied to the entire area on one side of the web before or after the flame-retardant is applied, and then the web is dried rapidly.

L'invention porte sur un procédé de fabrication de matériau d'emballage de cigarette, dans lequel un agent ignifuge liquide est appliqué par intermittence sur un côté d'un film dans le processus de déroulement de film afin de former des couches de bande non séchées à un intervalle prescrit dans le sens machine du film, tandis que de l'eau est appliquée à la totalité de la surface sur un côté du film avant ou après que l'agent ignifuge a été appliqué, après quoi le film est séché rapidement.

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