Measuring and testing – Specific gravity or density of liquid or solid – Hydrostatic pressure type
Patent
1996-02-29
1998-03-24
Oda, Christine K.
Measuring and testing
Specific gravity or density of liquid or solid
Hydrostatic pressure type
G01N 926
Patent
active
057315183
ABSTRACT:
An apparatus for applying solder enhancing liquid flux to objects for soldering including a fluxer wherein the density of the liquid flux supplied to the fluxer is controlled by a device for determining the density intermediately a flux storage container, and the fluxer; the density determining device producing an output signal whereby the quantity of diluent supplied to a liquid flux storage container is controlled. The density determining device includes a liquid flux pressure measurer with a vessel extending thereabove which includes an overflow to maintain constant flux liquid level therein.
REFERENCES:
patent: 2613681 (1952-10-01), Cooper
patent: 3033040 (1962-05-01), Piros
patent: 3250122 (1966-05-01), Doering
patent: 3564926 (1971-02-01), Chadenson et al.
patent: 3848618 (1974-11-01), Royse
patent: 4193303 (1980-03-01), Egnell
patent: 4680965 (1987-07-01), Weitmann et al.
Oda Christine K.
Soltec B.V.
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