Process for producing smoking articles with reduced ignition...

Details Process for producing smoking articles with reduced ignition... Process for producing smoking articles with reduced ignition...

A - Human Necessities

24

D

A24D 1/02 (2006.01) A24D 1/10 (2006.01) D21H 19/80 (2006.01) D21H 21/14 (2006.01)

Patent

CA 2643090

A process for reducing the permeability of a paper wrapper (14) used in the construction of a smoking article (10) is disclosed. The paper wrapper (14) is treated with a film-forming composition (52) that forms treated discrete areas (18) on the wrapper. The treated discrete areas (18) have a permeability within a predetermined range sufficient to reduce the ignition proclivity properties of a smoking article (10) made with the wrapper (14). In accordance with the present invention, the film-forming composition (52) is applied as multiple layers (31, 33, 35) to the paper wrapper 14). After each application step, the wrapper (14) is dried. Applying the film-forming composition (52) to the paper wrapper (14) in multiple layers (31, 33, 35) minimizes distortion and other adverse affects that may occur to the wrapper (14).

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