US Patent: 143,406
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Improvements in Dies for Forging Hammers
Improvements in Dies for Swaging Hammers
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Patentee:
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| Thomas Daffin (exact or similar names) - Philadelphia, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 29, 1873 |
| Granted: |
Oct. 07, 1873 |
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Patent Pictures:
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Thomas Daffin Pat. Oct. 7, 1873 |
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Stan Schulz
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Description: |
| The dies have an open transverse "groove" corresponding to the eye of the hammer head. The openings are to allow scale and dirt to be forced out during the forging process. |
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