Variable length encapsulating pressure drop tester

Details Variable length encapsulating pressure drop tester Variable length encapsulating pressure drop tester

G - Physics

01

N

73/117

G01N 7/04 (2006.01) A24C 5/34 (2006.01) G01M 3/02 (2006.01)

Patent

CA 1066916

VARIABLE LENGTH ENCAPSULATING PRESSURE DROP TESTER ABSTRACT OF THE DISCLOSURE 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.

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