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LAMPE OSRAM
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LAMPE OSRAM
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Application filed by LAMPE OSRAMfiledCriticalLAMPE OSRAM
Application grantedgrantedCritical
Publication of FR435701ApublicationCriticalpatent/FR435701A/fr
H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
H01K3/22—Exhausting, degassing, filling, or cleaning vessels
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01K—ELECTRIC INCANDESCENT LAMPS
H01K1/00—Details
H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
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Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
Resistance Heating
(AREA)
FR435701A1911-05-041911-07-22Procédé pour la fabrication des lampes électriques à incandescence à filament métallique
ExpiredFR435701A
(fr)