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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
TH Goldschmidt AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TH Goldschmidt AGfiledCriticalTH Goldschmidt AG
Application grantedgrantedCritical
Publication of FR463657ApublicationCriticalpatent/FR463657A/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
B23K23/00—Alumino-thermic welding
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Butt Welding And Welding Of Specific Article
(AREA)
Machines For Laying And Maintaining Railways
(AREA)
FR463657A1912-12-191913-10-15Procédé pour le soudage des rails ou objets semblables placés dans un sol pavé
ExpiredFR463657A
(fr)