Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1976-09-21
1978-06-27
Strecker, Gerard R.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
G01R 3112, G01R 3116
Patent
active
040977951
ABSTRACT:
An elastomer impregnated with carbon is utilized in conjunction with a conductor to test the dielectric adequacy of a nonconductor and to indicate physical defects, such as cracks, pinholes or a thickness below a predetermined minimum, by depositing traces of carbon on the nonconductor in the area of the defect or the area where the thickness is below the predetermined minimum.
REFERENCES:
patent: 1799868 (1931-04-01), Sauer
patent: 2306529 (1942-12-01), Davis
patent: 2379947 (1945-07-01), Bandur
patent: 3069620 (1962-12-01), Servos
patent: 3096478 (1963-07-01), Brown
patent: 3320524 (1967-05-01), Miller
patent: 3769578 (1973-10-01), Staley
patent: 3943438 (1976-03-01), Barber et al.
Baehr, Jr. F. J.
Strecker Gerard R.
Westinghouse Electric Corp.
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