Low flame spread web production machine, method for producing the same, and method for producing low flame spread paper used for cigarette

摘要

There is provided a machine of manufacturing a low fire-spreading web, having a travel path (2) through which a paper web (W) travels; an applicator (3) that is interposed in the travel path (2) and used to apply a combustion inhibitor (7) onto the web (W); and a dryer (4) that dries the web (W) applied with the combustion inhibitor (7), further including a detector (9) that measures a parameter indicative of width of the web (W) that has passed through the dryer (4); and a controller (10) that controls a drying condition of the dryer (4) on the basis of a measurement result obtained by the detector (9) so that the width of the web (W) falls within an allowable range.