Fiber micronaire measuring apparatus and method

Details Fiber micronaire measuring apparatus and method Fiber micronaire measuring apparatus and method

1993-09-15

1994-11-01

Williams, Hezron E.

Measuring and testing

With fluid pressure

Porosity or permeability

G01N 1508

Patent

active

053598806

ABSTRACT:
A micronaire testing apparatus includes a vertically movable carriage for receiving a test chamber formed by two telescoping cylinders. A scale is positioned below the carriage so that the chamber may be automatically weighed. Based on the weight information recorded for a sample, cylinders are telescoped together to produce an air flow test chamber of volume calculated to produce a constant density sample. A pivoting lid is used to close the top of the test chamber, and is spring biased to the open position. A latch bar is biased to a position firmly holding the lid in its closed position, and the carriage presses the test chamber against the lid to produce a peripheral seal of the lid.

REFERENCES:
patent: 2880609 (1959-04-01), Byrkett et al.
patent: 2888823 (1959-06-01), Hertel
patent: 2919573 (1960-01-01), Berkley et al.
patent: 3039293 (1962-06-01), Reddick et al.
patent: 3065629 (1962-11-01), Neil

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