Process and apparatus employing a stream of electrolytic liquid

Details Process and apparatus employing a stream of electrolytic liquid Process and apparatus employing a stream of electrolytic liquid

1992-08-13

1994-05-31

Strecker, Gerard R.

Electricity: measuring and testing

For insulation fault of noncircuit elements

Where element moves while under test

118665, 427 10, G01N 2700, G01N 1508, C25D 500, G01R 3100

Patent

active

053172728

ABSTRACT:
Process and apparatus for examining the porosity of coated objects, and in particular of enamelled, electrically conductive strip and profiled material or objects, and in particular of hollow bodies such as beverage cans, in which electrical contact is made with the strip and profiled material or the hollow body to form one pole for an applied test voltage, an electrically conductive connection is made to a coated surface of the strip and profiled material or to the hollow body by means of a continuous stream or curtain of electrolytic fluid emanating from a nozzle, to form the opposite pole for the applied test voltage and wherein the current flowing from the one pole through a stream or curtain of liquid and the coating to the other pole is measured as a measure of the porosity of the coating.

REFERENCES:
patent: 3343081 (1967-09-01), Lane
patent: 3792458 (1974-02-01), Smith et al.
patent: 4558273 (1985-12-01), Nishimura

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