H - Electricity
01
K
315/49, 313/172.
H01K 1/66 (2006.01)
Patent
CA 1218693
ABSTRACT: The electric lamp according to the invention has a lamp vessel which is fused at an end with a tube which extends into the lamp vessel and is sealed at its end located inside the lamp vessel by means of a pinch to current-supply conductors. At least a current-supply con- ductor connected to a bottom contact at the lamp cap has between that contact and the proximity of the pinch a fuse wire. In the tube there is provided adjacent the pinch a coherent electrically insulating mass in which part of the fuse wire is embedded. As soon as a high current starts flowing through the lamp, the current circuit through the lamp is interrupted reliably and rapidly.
457768
Beurskens Johannes H.h.
Roelevink Bauke J.
N.v.philips'gloeilampenfabrieken
Van Steinburg C.e.
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