Dynamic gas transmission measuring apparatus

Details Dynamic gas transmission measuring apparatus Dynamic gas transmission measuring apparatus

1981-05-01

1983-06-28

Swisher, S. Clement

Measuring and testing

With fluid pressure

Porosity or permeability

G01N 1508

Patent

active

043898785

ABSTRACT:
Gas transmission rates for and taken across plastic specimens are accurately measured in suitable apparatus for the purpose by a dynamic technique involving constant measurement of pertinent temperature and pressure data which is permitted to constantly change throughout the measurement testing.

REFERENCES:
patent: 3256732 (1966-06-01), Gremion
patent: 3590634 (1971-07-01), Pasternak

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