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PEE WEE MASCHINEN U APPBAU
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PEE WEE MASCHINEN U APPBAU
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Application filed by PEE WEE MASCHINEN U APPBAUfiledCriticalPEE WEE MASCHINEN U APPBAU
Application grantedgrantedCritical
Publication of FR889014ApublicationCriticalpatent/FR889014A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
B21H3/00—Making helical bodies or bodies having parts of helical shape
B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
B21H3/04—Making by means of profiled-rolls or die rolls
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR889014D1941-12-191942-12-11Dispositif de commande hydraulique entièrement automatique du mouvement d'avancement de machines-outils
ExpiredFR889014A
(fr)