Electric lamp and discharge devices – With temperature modifier – Double wall – jacket or casing for envelope
Patent
1977-10-27
1978-12-12
Demeo, Palmer C.
Electric lamp and discharge devices
With temperature modifier
Double wall, jacket or casing for envelope
313220, 313312, H01J 6130
Patent
active
041298004
ABSTRACT:
The invention relates to a low-pressure sodium vapor discharge lamp provided with a U-shaped discharge tube which is enveloped by an outer bulb. The bend of that discharge tube is supported by means of a metal element relative to the outer bulb.
In accordance with the invention the bend of the discharge tube is partly passed through a hole in the metal element and bears against two fingers which are part of the metal element.
REFERENCES:
patent: 3668390 (1972-06-01), Goossens
Schmidt Ernst M.
Van Benthem Willem
DeMeo Palmer C.
Smith Robert S.
U.S. Philips Corporation
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