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Societe dAppareillage Electrique Gardy SAS
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Societe dAppareillage Electrique Gardy SAS
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Filing date
Publication date
Application filed by Societe dAppareillage Electrique Gardy SASfiledCriticalSociete dAppareillage Electrique Gardy SAS
Application grantedgrantedCritical
Publication of FR647043ApublicationCriticalpatent/FR647043A/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
B21H3/06—Making by means of profiled members other than rolls, e.g. reciprocating flat dies or jaws, moved longitudinally or curvilinearly with respect to each other
B21H3/065—Planetary thread rolling
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR647043D1927-01-151928-01-13Machine pour l'établissement des pas de vis de pièces filetées
ExpiredFR647043A
(fr)