FR535238A -
Current lead wire for airtight soldering in glass, in particular for electric incandescent lamps and the like, and method of manufacture thereof
- Google Patents
Current lead wire for airtight soldering in glass, in particular for electric incandescent lamps and the like, and method of manufacture thereof
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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Egyesuelt Izzolampa es Villamossagi Rt
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Egyesuelt Izzolampa es Villamossagi Rt
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Application grantedgrantedCritical
Publication of FR535238ApublicationCriticalpatent/FR535238A/en
H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
H01J5/46—Leading-in conductors
FR535238D1920-05-261921-05-09
Current lead wire for airtight soldering in glass, in particular for electric incandescent lamps and the like, and method of manufacture thereof
ExpiredFR535238A
(en)
Machine and method for the manufacture of spirals of metal wire and, in particular, of spiral filaments of electric incandescent lamps, electronic tubes and the like