Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Reexamination Certificate
2007-10-15
2008-12-30
Noori, Max (Department: 2855)
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
C073S760000
Reexamination Certificate
active
07469596
ABSTRACT:
A method and system for measuring constitutive properties, such as radial strain, on a specimen of power or other granular material while the specimen is subject to compressive axial and radial loading. The specimen fills a pliable sleeve that has a conductive band around its circumference. An eddy current coil is placed around the sleeve, and used to provide a response signal that indicates the diameter of the sleeve, which in turn indicates radial strain.
REFERENCES:
patent: 3664473 (1972-05-01), Hendershot et al
patent: 4852451 (1989-08-01), Rogers
patent: 5864239 (1999-01-01), Adams et al.
patent: 7288941 (2007-10-01), Redko et al.
Bernardo Alexander Beltran
Burkhardt Gary Lane
Gray Walter Mac
Nicholls Arthur Edwin
Baker & Botts L.L.P.
Noori Max
Southwest Research Institute
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