Grinding wheel crack detector

Details Grinding wheel crack detector Grinding wheel crack detector

1977-10-31

1979-01-30

Albritton, C. L.

Electrical resistors

With diverse nonelectrical device

51165R, 51206R, 51268, 338292, 338300, 338311, H01C 1300

Patent

active

041375165

ABSTRACT:
A grinding wheel is provided around the inside of its hole with a plurality of turns of an electrical conductor weaker in tension than the material of the wheel, the ends of which are brought out to terminals on the surface of the wheel. Incipient cracks in the wheel rupture the conductor, which is checked as desired with a continuity testing device.

REFERENCES:
patent: 3477019 (1969-11-01), Hartmann
patent: 3724138 (1973-04-01), Ishikawa

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