Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1992-02-03
1994-04-26
Raevis, Robert
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
G01N 308
Patent
active
053056469
ABSTRACT:
An improved gauge for measuring the thickness and construction of a compressible material, such as gasket material, is disclosed. The gauge includes a pneumatic cylinder maintaining an upper probe at a first vertical position. The cylinder is selectively opened such that the upper probe may fall vertically against a compressible material to be tested. A predetermined weight is attached to the upper probe such that the upper probe is biased vertically downwardly by the weight. An electronic gauge measures the amount of deformation of the compressible material due to the predetermined weight, and an indication of the thickness and quality of the compressible material is made based on the amount of measured deformation.
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Ashmore James D.
Lawson Tommy K.
Dana Corporation
Raevis Robert
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