Variable length encapsulating pressure drop tester

An apparatus for testing tobacco smoke filter rods and similar articles of varying lengths for pressure drop across the opposed ends of a rod encapsulated in an air-impervious sleeve comprising a housing having a longitudinal bore, a rod receptacle having an air-impervious encapsulating sleeve mount...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: COBLE, JR., SCOTT BROWN, GRANT, JR., JAMES WILLIAM
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:An apparatus for testing tobacco smoke filter rods and similar articles of varying lengths for pressure drop across the opposed ends of a rod encapsulated in an air-impervious sleeve comprising a housing having a longitudinal bore, a rod receptacle having an air-impervious encapsulating sleeve mount therein, slideably mounted in the bore, a hollow rod stop stationarily mounted in the bore and extending into the sleeve of the rod receptacle, means for expanding the air-impervious sleeve, vacuum means communicating with the hollow interior of the rod stop and means for measuring the pressure drop interposed between the vacuum means and the hollow rod stop.