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Expired
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Eli Cecil Strong
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Individual
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Individual
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Publication of GB191325562ApublicationCriticalpatent/GB191325562A/en
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23C—MILLING
B23C3/00—Milling particular work; Special milling operations; Machines therefor
B23C3/28—Grooving workpieces
B23C3/32—Milling helical grooves, e.g. in making twist-drills
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Mechanical Engineering
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Milling Processes
(AREA)
Abstract
25,562. Strong, E. C. Feb. 1. Milling helical surfaces. - In a machine for fluting twist drills &c., the cutter is mounted with its a x i s horizontal, and the workpiece is mounted on a slide D which slides up an inclined bed C to and from the cutter.
GB191325562D1913-02-011913-02-01Improvements in or relating to Machines for Fluting Twist Drills and the like.
ExpiredGB191325562A
(en)
New or Improved Attachment or Machine for Grinding after Hardening, Relieved Formed Milling Cutters, Gear Cutters, Hobs, Worms and the like to Eliminate Distortion due to Hardening.