Device for measuring the density and/or specific gravity of...

Details Device for measuring the density and/or specific gravity of... Device for measuring the density and/or specific gravity of...

2007-08-21

2007-08-21

Williams, Hezron (Department: 2856)

Measuring and testing

Specific gravity or density of liquid or solid

With weighing feature

Reexamination Certificate

active

10532304

ABSTRACT:
A device which is used to measure the density of a liquid, includes an enclosure (1) which is impervious to the liquid to be measured. The enclosure (1) has a rigid deformation-resistant casing housing at least one reference body (3) which is suspended in the enclosure (1). The enclosure (1) can move in relation to the reference body (3) such as, in the fully submerged state, to occupy a position which is a function of the density of the liquid in which the device is submerged. In the position, the enclosure exerts a pressure or tensile force on a measuring device (2) the movement of which is limited by the reference body (3).

REFERENCES:
patent: 3589200 (1971-06-01), Nilsson
patent: 4400978 (1983-08-01), Guay et al.
patent: 4770041 (1988-09-01), Bearce
patent: 6561025 (2003-05-01), Ueno
patent: 3338311 (1985-05-01), None
patent: 90 06 275 (1990-08-01), None
patent: 2 563 339 (1985-10-01), None
patent: 2 733 318 (1996-10-01), None
patent: WO 02 01187 (2002-01-01), None

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