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.)
Primerica Inc
Original Assignee
Metal and Thermit Corp
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Filing date
Publication date
Application filed by Metal and Thermit CorpfiledCriticalMetal and Thermit Corp
Application grantedgrantedCritical
Publication of FR569955ApublicationCriticalpatent/FR569955A/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)
FR569955D1922-08-221923-08-20Procédé et appareil pour la soudure des rails
ExpiredFR569955A
(fr)