Device for testing combustability

Details Device for testing combustability Device for testing combustability

1984-04-09

1985-05-28

Frankfort, Charles

Thermal measuring and testing

Flammability testing

374 57, 219494, G01N 2500

Patent

active

045197164

ABSTRACT:
A device which simulates the burning of an elongated smoking product such as a cigarette, for testing the combustability of an article. The device includes a rod-shaped resistive heating element, the length and cross section of which are the same as those of the product whose burning characteristics are to be simulated. The heating element may be divided into a plurality of longitudinally aligned heat insulated segments. A plurality of lead wires are successively spaced along the length of the heating element so as to respectively uniformly heat the respective portions of the heating element between the adjacent lead wires when an electric current is applied separately thereto. Circuitry is provided for applying an electric current to successively adjacent portions of the heating element through the lead wires for predetermined periods of time, beginning at one end of the heating element and ending at the other, thereby simulating the burning of a cigarette. In use, the device is placed in contact with the article whose combustability is to be tested while successive portions of the heating element are heated.

REFERENCES:
patent: 4229967 (1980-10-01), Kneifel et al.
patent: 4333333 (1982-06-01), Pangritz

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