Measuring and testing – Frictional resistance – coefficient or characteristics
Patent
1993-08-30
1995-01-03
Williams, Hezron E.
Measuring and testing
Frictional resistance, coefficient or characteristics
73 10, 73794, G01N 356, G01N 1902
Patent
active
053775252
ABSTRACT:
The invention relates to a test apparatus for carrying out analysis on fluids or components comprising two specimens which are movable with respect to each other by means of an oscillating driving means. Means are provided for applying a measurable load between the two specimens. The oscillating driving means further comprises a stiffness adjusting means in order to control the degree of lateral movement of the oscillating driving means. The test apparatus also comprises a force measuring means which is connected to a support which is relatively much heavier than the oscillating driving means and the specimens in order that accurate results are achieved.
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patent: 4966032 (1990-10-01), Takeuchi
Sakamoto et al, "A Friction Apparatus for Measuring the Normal Displacement of a Sliding Body", J. Phys. E: Sci. Instruments, vol. 13, 1980, pp. 1017-1020.
Hamer John C.
Hutchinson John M.
Dubno Herbert
Olsen James M.
Williams Hezron E.
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