TABAKRAUCHFILTER, VERFAHREN ZU DEREN HERSTELLUNG UND VORRICHTUNG ZUR DURCHFUEHRUNG DIESES VERFAHRENS

摘要

Tobacco smoke filters comprising a rod of tobacco smoke filtering material, such as cellulose acetate tow including a thread incorporated therein or a tape wrapped therearound, the thread or tape carrying a smoke-modifying agent, such as a flavoring material and methods and apparatus for forming such filters.