Measuring and testing – Surface and cutting edge testing – Roughness
Patent
1974-09-11
1976-02-24
Gill, James J.
Measuring and testing
Surface and cutting edge testing
Roughness
G01N 324
Patent
active
039397017
ABSTRACT:
Method of measuring shearing stress of powdery and/or granular material using a pair of cylindrical cavities filled with the material. The cavities are turned one relative the other about a common center line with the shear stress required to turn the cavities being measured.
REFERENCES:
patent: 1327838 (1920-01-01), Naylor
Ciarlante Anthony V.
Gill James J.
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