Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Hoesch Werke AG
Original Assignee
Hoesch Werke AG
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Publication date
Application filed by Hoesch Werke AGfiledCriticalHoesch Werke AG
Priority to FR803120ApriorityCriticalpatent/FR76179E/fr
Application grantedgrantedCritical
Publication of FR76179EpublicationCriticalpatent/FR76179E/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
B21C37/12—Making tubes or metal hoses with helically arranged seams
B—PERFORMING OPERATIONS; TRANSPORTING
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
B23K28/00—Welding or cutting not covered by any of the preceding groups, e.g. electrolytic welding
B23K28/02—Combined welding or cutting procedures or apparatus
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR803120A1959-08-191959-08-19Dispositif pour le soudage de tubes à partir d'un ruban métallique enroulé en hélice
ExpiredFR76179E
(fr)