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Compagnie des Surchauffeurs SA
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Compagnie des Surchauffeurs SA
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Filing date
Publication date
Application filed by Compagnie des Surchauffeurs SAfiledCriticalCompagnie des Surchauffeurs SA
Application grantedgrantedCritical
Publication of FR58715EpublicationCriticalpatent/FR58715E/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
B21C37/15—Making tubes of special shape; Making tube fittings
B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
B21C37/283—Making U-pieces
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR58715D1948-09-101948-09-10Perfectionnements à la fabrication des tubes coudés
ExpiredFR58715E
(fr)