GB Patent: GB-190,204,033
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| Improvements in or Relating to Die Heads or Holders for Screw Cutting Machines
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Patentees:
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| Alfred Herbert (exact or similar names) - Kenilworth, Warwickshire County, England |
| Percy Venables Vernon (exact or similar names) - Coventry, Warwick County, England |
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Patent Dates:
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| Applied: |
Feb. 17, 1902 |
| Granted: |
Feb. 17, 1903 |
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Patent Pictures:
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Espacenet patent
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Joel Havens
"Vintage Machinery" entry for Alfred Herbert Ltd.
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Description: |
| Abstract:
This invention relates to die heads or holders for screw cutting machines and more particularly to self-opening die heads, the chief object of the invention being to provide a die head which, in addition to being self-opening, is adjustable for screws of slightly larger or smaller diameter than the standard size and in which the adjustments of the parts can be made without the use of keys or spanners. |
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