Method and equipment for detecting pinholes of hollow filament

Details Method and equipment for detecting pinholes of hollow filament Method and equipment for detecting pinholes of hollow filament

G - Physics

01

N

73/117, 340/123

G01N 27/20 (2006.01)

Patent

CA 1228652

ABSTRACT OF THE DISCLOSURE An improved method and an equipment for detecting a pinhole in hollow filament, wherein the improvement comprises passing the hollow filament through a liquid maintained at a pressure higher than that of the gas in the interior of said hollow filament to allow the liquid to intrude through the pinhole into the interior of the hollow filament and detecting the intruded liquid.

448968

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