Particulate sample analyzing instrument employing vibration to c

Details Particulate sample analyzing instrument employing vibration to c Particulate sample analyzing instrument employing vibration to c

1982-09-23

1985-09-03

McGraw, Vincent P.

Optics: measuring and testing

With sample preparation

356418, 250576, G01J 348, G01N 110

Patent

active

045389080

ABSTRACT:
In an instrument for optically analyzing particulate samples such as grain samples, the sample is introduced into a chute which is received in a vibrating apparatus to vibrate the grain in the chute and compact it. The chute is then dropped to a carriage which transports the chute and the grain through a beam of narrow band infrared light. A photocell is positioned to detect the amount of light passing through the grain sample.

REFERENCES:
patent: 2371192 (1945-03-01), Short
patent: 2844067 (1958-07-01), Borg
patent: 3549263 (1970-12-01), Osawa et al.
patent: 4040747 (1977-08-01), Webster

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