Halogen incandescent lamp and method of manufacturing a halogen

Details Halogen incandescent lamp and method of manufacturing a halogen Halogen incandescent lamp and method of manufacturing a halogen

1989-10-23

1991-04-16

O'Shea, Sandra L.

Electric lamp and discharge devices

With gas or vapor

Having electrode lead-in or electrode support sealed to...

313579, 313271, 313332, 445 27, 445 32, H01J 926, H01K 320, H01K 138

Patent

active

050085921

ABSTRACT:
The halogen incandescent lamp has a tipless lamp vessel (1) having a first seal (3), in which a current supply conductor (7) with a foil-shaped part (9) of small width (w.sub.1) is accommodated, and a second seal (4), in which a current supply conductor (8) with a foil-shaped part (10) of larger width (w.sub.2) is accommodated. This construction permits a simple method of manufacturing the lamp, in which the tube from which the lamp vessel (1) is formed has a constriction which allows the first current supply conductor (7) and the filament (5) to pass, but stops the foil-shaped part (10) of the second current supply conductor (8) and holds the filament positioned in axial direction in the tube.

REFERENCES:
patent: 2664517 (1953-12-01), Wiener
patent: 4535268 (1985-08-01), Morris et al.
patent: 4623817 (1986-11-01), Morris et al.

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