Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Specified electrical sensor or system
Patent
1996-05-30
1998-06-16
Dombroske, George M.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
Specified electrical sensor or system
73826, 338 80, G01N 308, H01C 1002
Patent
active
057674132
ABSTRACT:
A gauge for measuring a dimensional change, such as a change in the periphery of a test object, is an elastomeric tube filled with an electrically conductive fluid such as mercury. The gauge can be formed into a loop around the test object. Thereafter, any change in, e.g. the circumference of the test object is monitored by measuring the change in resistance (or voltage) between the ends of the tube.
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patent: 4461085 (1984-07-01), Dewar et al.
patent: 5086785 (1992-02-01), Gentile et al.
Bryner Boyd D.
Dombrowski Valerie D.
Stevens Lon M.
Amrozowicz Paul D.
Dombroske George M.
Stover Thomas C.
The United States of America as represented by the Secretary of
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