Method and equipment for detecting pinholes of hollow filament

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 pinho...

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Bibliographic Details
Main Authors TAHARA; YASUTERU, KOIKE; KAZUYOSHI
Format Patent
LanguageEnglish
Published 08.12.1987
Edition4
Subjects
MEASURING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PHYSICS
SEPARATION
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
TRANSPORTING
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Abstract 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.
AbstractList 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.
Author KOIKE; KAZUYOSHI
TAHARA; YASUTERU
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RelatedCompanies MITSUBISHI RAYON CO., LTD
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Snippet An improved method and an equipment for detecting a pinhole in hollow filament, wherein the improvement comprises passing the hollow filament through a liquid...
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SubjectTerms MEASURING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PHYSICS
SEPARATION
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
TRANSPORTING
Title Method and equipment for detecting pinholes of hollow filament
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