Ventilated cigarette filter unit - has passages giving initial low pressure drop and blocked by flow of smoke (BE 15.1.83)

Ventilated cigarette filter unit - has passages giving initial low pressure drop and blocked by flow of smoke (BE 15.1.83)

The cigarette filter initially forms passages for the smoke giving high and low pressure drops. The low-drop passages are so constituted that the flow of smoke through them causes their blockage, so that its flow through the high-drop passages increases, as does the inflow of ventilation air. There...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: A.S. CANTELL, P. ANDREAS, B.J. TOMPKINS
Format: Patent
Sprache:eng ; fre
Schlagworte:
CIGARETTES
CIGARS
HUMAN NECESSITIES
MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
MOUTHPIECES FOR CIGARS OR CIGARETTES
SMOKERS' REQUISITES
TOBACCO
TOBACCO SMOKE FILTERS
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Beschreibung
Zusammenfassung:The cigarette filter initially forms passages for the smoke giving high and low pressure drops. The low-drop passages are so constituted that the flow of smoke through them causes their blockage, so that its flow through the high-drop passages increases, as does the inflow of ventilation air. There can be a barrier in each low-drop passage, initially permeable to smoke, but blocked by the flow of the latter through it.