Apparatus for determining the burning and/or glowing rates of a

Details Apparatus for determining the burning and/or glowing rates of a Apparatus for determining the burning and/or glowing rates of a

1980-11-24

1982-06-08

Swisher, S. Clement

Thermal measuring and testing

Flammability testing

250203R, 318640, 374 57, G01N 2172

Patent

active

043333338

ABSTRACT:
An apparatus is provided for determining the burning and/or glowing rate of a smokable article. The apparatus comprises a sensor for sensing the incandescent zone of the smokable article and a drive apparatus for moving the sensor along a path parallel to the direction of burning and glowing of the smokable article. A control circuit, including first switches is coupled to the sensor and the drive apparatus, for stopping the drive apparatus and thereby the movement of the sensor when the sensor detects a predetermined radiation intensity and for starting the drive apparatus and thereby the sensor when the sensor detects a radiation intensity other than the predetermined intensity when the first switches are in a first state and for starting the drive apparatus and thereby the movement of the sensor means when the sensor detects a predetermined radiation intensity and for stopping the sensor when the sensor detects a radiation intensity other than the predetermined intensity when the first switches are in a second state.

REFERENCES:
patent: 448194 (1891-03-01), Balbin
patent: 2701854 (1955-02-01), Carrick
patent: 3315081 (1967-04-01), Williams
patent: 3665750 (1972-05-01), Dawn et al.
patent: 4163185 (1979-07-01), Tokuno

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