GB Patent: GB-1,001,046
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| Broken tool detection in machine tools
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Patentee:
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| Aubrey Hudson White (exact or similar names) - Worcester, England |
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Patent Dates:
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| Applied: |
Mar. 13, 1963 |
| Granted: |
Aug. 11, 1965 |
Espacenet patent
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Jeff Joslin
"Vintage Machinery" entry for James Archdale & Co.
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Description: |
| This broken-tool detector uses the tool "to complete a magnetic coupling between a pair of coils of which one is in an a.c. bridge circuit, so that when the tool is broken the coupling is not completed and the bridge circuit is unbalanced..." |
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