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Publication of FR1046580ApublicationCriticalpatent/FR1046580A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21F—WORKING OR PROCESSING OF METAL WIRE
B21F3/00—Coiling wire into particular forms
B21F3/08—Coiling wire into particular forms to flat spiral
B—PERFORMING OPERATIONS; TRANSPORTING
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21F—WORKING OR PROCESSING OF METAL WIRE
B21F3/00—Coiling wire into particular forms
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Engineering & Computer Science
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Mechanical Engineering
(AREA)
FR1046580D1950-04-271951-04-20Procédé de fabrication de ressorts en forme de spirale et machine pour la mise en oeuvre de ce procédé
ExpiredFR1046580A
(fr)