Apparatus for sampling dry solids

Details Apparatus for sampling dry solids Apparatus for sampling dry solids

1976-10-04

1977-10-25

Swisher, S. Clement

Measuring and testing

Measuring vessel

G01N 120

Patent

active

040550885

ABSTRACT:
In packaging certain dry, free-flowing solid materials, the packaging operation involves delivering the solids from a classifier screen to a storage hopper through an inclined conduit. Within the conduit the particles tend to segregate into distinct layers, such that each layer contains solids of a different size. In this situation it is difficult to obtain a representative sample of the product being packaged, for quality control purposes. The present invention solves the problem with a sample receiving and collection conduit inside the hopper, which is operated by an oscillator means and timer mechanism. The timed oscillation of the receiving and collection conduit permits a periodic collection of the entire solids stream as it flows from the inclined conduit into the hopper.

REFERENCES:
patent: 3585864 (1971-06-01), Dellyes
patent: 3751991 (1973-08-01), Fisher

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