Device for preparing colorimeter sample

Details Device for preparing colorimeter sample Device for preparing colorimeter sample

1984-08-03

1986-04-15

McGraw, Vincent P.

Optics: measuring and testing

With sample preparation

356244, G01N 128, G01N 2101

Patent

active

045824258

ABSTRACT:
The novel device prepares samples of loose particles such as roofing granules to present a level surface from which colorimeter measurements can be made. The particles to be measured overfill a dish, the lip of which has a bevel providing a knife edge at its inner diameter. A roller is rolled back and forth across the dish to push excess particles beyond the knife edge from which they fall through a grid on which the dish rests.

REFERENCES:
patent: 3232711 (1966-02-01), Senyk et al.
patent: 3614230 (1971-10-01), Crawford

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