Device for determining frost depth and density

Details Device for determining frost depth and density Device for determining frost depth and density

1982-03-18

1983-08-16

Stephan, Steven L.

Measuring and testing

Specific gravity or density of liquid or solid

7386441, 73150R, 73170R, 33169F, 62128, G01N 900

Patent

active

043984126

ABSTRACT:
A hand held device (12) having a forward open window portion (14) adapted to be pushed downwardly into the frost on a surface, and a rear container portion (22) adapted to receive the frost removed from the window area. A graph (FIG. 4) on a side of the container enables an observer to determine the density of the frost from certain measurements noted. The depth of the frost is noted from calibrated lines (28) on the sides of the open window portion (14).

REFERENCES:
patent: 2519943 (1950-08-01), Tobey
patent: 3522858 (1970-08-01), Christensen
patent: 4156362 (1979-05-01), MacHattie et al.
patent: 4304139 (1981-12-01), Johnson

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