US Patent: 321,967
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Device for Making Dies for Forming Auger Heads
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Patentee:
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Frank W. Hastings (exact or similar names) - Wallingford, CT |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jan. 19, 1885 |
Granted: |
Jul. 14, 1885 |
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Russ Allen.
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Description: |
Punch is used to create the dies used for forming auger tips instead of the dies being made using cutting tools at the hands of a die-sinker. |
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