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.)
Expired
Application number
GB34892/35A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co LtdfiledCriticalBritish Thomson Houston Co Ltd
Publication of GB472245ApublicationCriticalpatent/GB472245A/en
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
B23K9/00—Arc welding or cutting
B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
B23K9/1006—Power supply
Landscapes
Engineering & Computer Science
(AREA)
Physics & Mathematics
(AREA)
Plasma & Fusion
(AREA)
Mechanical Engineering
(AREA)
Rectifiers
(AREA)
Abstract
472,245. Supply system for welding- arcs. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 16, 1935, No. 34892. Void. Convention date, Dec. 17, 1934. [Classes 38 (ii) and 38 (iv)] An electric arc welding set in which D.C. is supplied to the electrode E and work W from an A.C. source, consists of a transformer T with variable leakage inductance having rectifiers G in its secondary winding S.
GB34892/35A1934-12-171935-12-16Improvements in and relating to electric welding
ExpiredGB472245A
(en)