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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Leuna Werke GmbH
Leuna Werke Walter Ulbright Germany VEB
Original Assignee
Leuna Werke GmbH
Leuna Werke Walter Ulbright Germany VEB
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Filing date
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Application filed by Leuna Werke GmbH, Leuna Werke Walter Ulbright Germany VEBfiledCriticalLeuna Werke GmbH
Application grantedgrantedCritical
Publication of FR1143391ApublicationCriticalpatent/FR1143391A/fr
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
B23K11/00—Resistance welding; Severing by resistance heating
B23K11/04—Flash butt welding
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR1143391D1956-03-141956-03-14Procédé pour la fabrication de tuyaux à ailettes et tuyaux conformes à ceux ainsi obtenus
ExpiredFR1143391A
(fr)