METHOD AND DEVICE FOR IDENTIFYING CAPSULE DEFECTS IN A FILTER OF THE TOBACCO PROCESSING INDUSTRY

A method for identifying capsule defects in a tobacco filter includes measuring values for density and/or moisture content of the filter using a microwave measurement device. The measured values are compared with a threshold value and a presence of a capsule defect in the filter is determined if the...

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Bibliographische Detailangaben
Hauptverfasser:	Eggers, Jörn, Schlemm, Udo
Format:	Patent
Sprache:	eng
Schlagworte:	CIGARETTES CIGARS HUMAN NECESSITIES INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MACHINES FOR MAKING CIGARS OR CIGARETTES MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES MEASURING MOUTHPIECES FOR CIGARS OR CIGARETTES PHYSICS SMOKERS' REQUISITES TESTING TOBACCO TOBACCO SMOKE FILTERS
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Beschreibung
Zusammenfassung:	A method for identifying capsule defects in a tobacco filter includes measuring values for density and/or moisture content of the filter using a microwave measurement device. The measured values are compared with a threshold value and a presence of a capsule defect in the filter is determined if the measured valued undershoots the threshold value. A value for a degree of fluctuation of the measured values is determined at a region in front of a measurement location and/or behind the measurement location in which at least one measured value is below the threshold value. The value for the degree of fluctuation is compared with a predetermined capsule threshold value. The capsule defect comprises a broken capsule when the value for the degree of fluctuation exceeds the capsule threshold value, and the capsule defect comprises a missing capsule when the value for the degree of fluctuation undershoots the capsule threshold value.