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Expired
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James Reed Manley
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Individual
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Individual
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Publication of GB190328681ApublicationCriticalpatent/GB190328681A/en
28,681. Manley, J. R Dec. 30. Tools ; tool-holders; screwing.-Dies or cutters A have a little play in the radial grooves of the toolholder of a lathe or a screwing-machine, and are held by wedges or screws C tangential to a small circle concentric with the master tap or boring- tool L while being made, the screws C being turned to bring their flat sides against the cutters, or the wedges moved so that the cutters are exactly radial to the rod being turned or screwed during the cutting operation. The leading edges of the cutters are bevelled off to form a bell-mouth.
GB190328681D1903-12-301903-12-30Improvements in Stocks and Dies and in Tool or Die Holders for Screw Cutting Machines or Lathes.
ExpiredGB190328681A
(en)