Cigarette testing device

Details Cigarette testing device Cigarette testing device

1980-04-30

1982-04-20

Woodiel, Donald O.

Measuring and testing

With fluid pressure

Porosity or permeability

73 41, 73 451, G01N 1508

Patent

active

043252508

ABSTRACT:
A device for testing filter cigarettes, comprises a drum or equivalent means for conveying cigarettes in succession through a test station at which each cigarette in turn is tested with the aid of a pressure chamber surrounding the wrapper of the cigarette, and a pressure detector connected to the filter end of the cigarette while the tobacco end of the cigarette is open to atmosphere, and including means for measuring the pressure in the pressure chamber and means for comparing that pressure with the pressure detected at the filter end of the cigarette. Preferably there is a second test station at which the pressure chamber extends over the tobacco end of the cigarette, and a second pressure detector is connected to the filter end of the cigarette.

REFERENCES:
patent: 3991605 (1976-11-01), Reuland
patent: 4018081 (1977-04-01), Loxham
patent: 4127025 (1978-11-01), Mills et al.
patent: 4154090 (1979-05-01), Heitmann et al.

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