Paper having crossdirectional regions of variable basis weight

Details Paper having crossdirectional regions of variable basis weight Paper having crossdirectional regions of variable basis weight

A - Human Necessities

24

D

A24D 1/02 (2006.01) D21F 1/00 (2006.01) D21H 11/00 (2006.01) D21H 21/34 (2006.01)

Patent

CA 2055717

This invention describes paper having crossdirectional regions (11) with increased basis weight, and a method and machine for producing same. Paper of this kind has a uniform weight basis and is particularly useful as a wrapping material for smoking articles, as it promotes even burn characteristics of the smoking article. The paper may be produced by depositing additional material onto a moving base web (16) in a papermaking machine (10). This additional material is deposited by way of a rotating drum (21) containing a number of slits through which the additional material passes.

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