US Patent: 3,611,783
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Electromagnetically energized impact forming device
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Patentee:
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Eugene Mittelmann (exact or similar names) - Chicago, OH |
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Patent Dates:
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Applied: |
Jun. 20, 1968 |
Granted: |
Oct. 12, 1971 |
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Jeff Joslin Vintage Machinery entry for Hill Acme Co.
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Description: |
"An electromagnetically energized impact forming device wherein a solid projectile is driven at high velocity against a workpiece sufficient to cold work or forge the workpiece into a preselected on figuration. The projectile is movable within a confining barrel or tube..." |
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