Plastic hydrometer

Details Plastic hydrometer Plastic hydrometer

1989-05-19

1991-02-19

Chapman, John

Measuring and testing

Specific gravity or density of liquid or solid

Freely vertical reciprocable float with carried indicium

G01N 912

Patent

active

049932632

ABSTRACT:
A plastic hydrometer of the constant mass variable displacement type. The hydrometer includes a separate bulbous section, stem and cap. The bulbous section is a single piece molded part having an upper end which mates with the lower end of the extruded tube.

REFERENCES:
patent: 1972220 (1934-09-01), Edelmann
patent: 2221913 (1940-11-01), Edelmann
patent: 3055220 (1962-09-01), Ryan et al.

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