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Publication of FR1175502ApublicationCriticalpatent/FR1175502A/en
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23B—TURNING; BORING
B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
B23B29/03—Boring heads
B23B29/034—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings
B23B29/03403—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing
B23B29/03407—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing by means of screws and nuts
FR1175502D1957-05-181957-05-18
Device with expandable tools for machining, in particular metals
ExpiredFR1175502A
(en)