Electricity: measuring and testing – Conductor identification or location – Inaccessible
Patent
1974-11-05
1976-08-03
Corbin, John K.
Electricity: measuring and testing
Conductor identification or location
Inaccessible
324 65P, 338 34, G01R 2702, H01C 700
Patent
active
039731928
ABSTRACT:
A device for providing an early detection of aerosol products of combustion originating at least partly from a polyvinyl chloride substance. It comprises an electric resistance body of magnesium having a very small thickness and being arranged to be exposed to said aerosol products of combustion, an electric measuring circuit connected to the resistance body, and an indicating means arranged to generate an indicating signal in dependence on that the resistance of the resistance body exceeds a definite level.
REFERENCES:
patent: 2369499 (1945-02-01), Treuhaft
patent: 3820958 (1974-06-01), Cheng et al.
Luc-Belmont, "Plastic Materials Not Giving off Poisonous Gas During Their Burning" Abstract of Fr. Patent 2165005, Sept. 7, 1973, Abstract No. 84212h Chem. Abstracts, vol. 80, No. 16, Apr. 22, 1974.
Kirk-Othmer, "Encyclopedia of Chemical Technology," vol. 12, Iron to Manganese, John Wiley & Sons, Inc., 1967, pp. 680.
Brennecke Peter Wilhelm Reinhard
Ewe Henning
Justi Eduard Wilhelm Leonhard
Corbin John K.
Punter Wm. H.
Telefonaktiebolaget L M Ericsson
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