Testing of cigarettes

Details Testing of cigarettes Testing of cigarettes

1975-11-10

1977-04-19

Swisher, S. Clement

Measuring and testing

With fluid pressure

Leakage

G01M 326

Patent

active

040180816

ABSTRACT:
A device for testing the wrappers of cigarettes for leaks comprises a conveyor arranged to carry the cigarettes successively through a test region, means defining in the tests region a plurality of similar test chambers partly bounded by the respective cigarette wrapper, a source of pressure which communicates with each test chamber in turn at a first station in the test region to produce a predetermined initial pressure in each test chamber, and a pressure detector arranged to detect the pressure left in each test chamber in turn at a second station in the test region downstream of the first station.

REFERENCES:
patent: 3395570 (1970-08-01), Kochalski
patent: 3488994 (1970-01-01), Messervey

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