VENTILATED SMOKING ARTICLE

The invention concerns a smoking article filter plug (16) for a cigarette, t he filter plug being cylindrical and having a plug wrap (18), grooves (20) bein g impressed into the plug wrap, and a tipping paper (22) for the attachment of the filter plug to the tobacco rod (12). Some grooves are axiall...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SCHLUTER, ADOLF, GRZONKA, HORST
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CIGARETTES CIGARS HUMAN NECESSITIES IMPREGNATING OR COATING OF PAPER MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES MOUTHPIECES FOR CIGARS OR CIGARETTES PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS SMOKERS' REQUISITES TEXTILES TOBACCO TOBACCO SMOKE FILTERS TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	The invention concerns a smoking article filter plug (16) for a cigarette, t he filter plug being cylindrical and having a plug wrap (18), grooves (20) bein g impressed into the plug wrap, and a tipping paper (22) for the attachment of the filter plug to the tobacco rod (12). Some grooves are axially extending with respect to the axis of the filter plug and are open on the side of the tobacco rod and extend continuously only over a part of the length of the filter plug. All grooves are covered by a ventilated tipping paper, which allows ventilating air into the axially extending grooves only. In addition the invention concerns the use of such a filter for the reduction of the CO/tar ratio as a function of the filter ventilation.