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Expired
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James Neill
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Individual
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Individual
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Publication of GB190906913ApublicationCriticalpatent/GB190906913A/en
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
B23D73/00—Making files or rasps
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Milling, Broaching, Filing, Reaming, And Others
(AREA)
Abstract
6913. Neill, J. March 23. Chisels.-A chisel for cutting files, the teeth of which have the outline of a circular arc, is provided upon one face with a circular concavity b, Figs. 2 and 3, having an arc-shaped cutting- edge c. The chisel may be used in a file-cutting machine of ordinary construction.
GB190906913D1909-03-231909-03-23Improvements in Tools for Manufacturing Files.
ExpiredGB190906913A
(en)