FR551976A - Dispositif à tailler, par génération, des filets hélicoïdaux, pas de vis, etc.,dans les machines à décolleter automatiques
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Dispositif à tailler, par génération, des filets hélicoïdaux, pas de vis, etc.,dans les machines à décolleter automatiques
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USINES TORNOS SA
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USINES TORNOS SA
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B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
B23G1/00—Thread cutting; Automatic machines specially designed therefor
B23G1/02—Thread cutting; Automatic machines specially designed therefor on an external or internal cylindrical or conical surface, e.g. on recesses
B23G1/12—Machines with a toothed cutter in the shape of a spur-gear or the like which is rotated to generate the thread profile as the work rotates
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FR551976D1922-05-241922-05-24Dispositif à tailler, par génération, des filets hélicoïdaux, pas de vis, etc.,dans les machines à décolleter automatiques
ExpiredFR551976A
(fr)