H - Electricity
01
J
313/172.4
H01J 5/50 (2006.01) F21V 19/00 (2006.01) H01K 1/38 (2006.01)
Patent
CA 1128112
PHN. 9105 ABSTRACT: In electric lamps according to the invention the alkali-alumino-borosilicate glass of the pinch seal of the lamp envelope is directly fused to the molybde- num current supply wire of diameter D. A vacuum-tight seal is obtained in that the glass inside the lamp envelope extends over the current supply wire in a layer which is thinner than D/2 at least over a length of D/2. For use in both incandescent and discharge lamps.
325477
N.v. Philips Gloeilampenfabrieken
Van Steinburg C.e.
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