Cigarette testing device

Details Cigarette testing device Cigarette testing device

1994-01-13

1995-12-05

Williams, Hezron E.

Measuring and testing

With fluid pressure

Porosity or permeability

73 41, 73 451, G01M 304, G01N 1508

Patent

active

054718660

ABSTRACT:
A flexible seal (2), particularly for use in pneumatic testing of cigarettes, includes a conical seat (6) attached to a tube (4) having a resilient collar (8). The collar permits longitudinal movement of the seat relative to the tube, thereby permitting an effective seal against the cigarette being tested, and contributes to extended life for the seal.

REFERENCES:
patent: 3769832 (1973-11-01), Baier
patent: 4181007 (1980-01-01), Ariaska et al.
patent: 4246774 (1981-01-01), Flesselles et al.
patent: 4341109 (1982-07-01), Evans, Jr.
patent: 4400972 (1983-08-01), Wiethaup
patent: 4627448 (1986-12-01), Kamm et al.
patent: 4630466 (1986-12-01), Berlin
patent: 5369986 (1994-12-01), Koch

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