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.)
Publication of NL290357ApublicationCriticalpatent/NL290357A/xx
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
B23K13/00—Welding by high-frequency current heating
B23K13/01—Welding by high-frequency current heating by induction heating
B23K13/02—Seam welding
B23K13/025—Seam welding for tubes
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Shielding Devices Or Components To Electric Or Magnetic Fields
(AREA)