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CAIRNS METALS CORP
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CAIRNS METALS CORP
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Filing date
Publication date
Application filed by CAIRNS METALS CORPfiledCriticalCAIRNS METALS CORP
Application grantedgrantedCritical
Publication of FR837349ApublicationCriticalpatent/FR837349A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR837349D1938-03-291938-03-29Procédé et appareil pour la fabrication de cornières ou longerons à profil décroissant
ExpiredFR837349A
(fr)