Electric lamp with H-shaped pinched seal

Details Electric lamp with H-shaped pinched seal Electric lamp with H-shaped pinched seal

1994-08-15

1996-06-18

O'Shea, Sandra

Electric lamp and discharge devices

With gas or vapor

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

313624, H01J 1718

Patent

active

055281060

ABSTRACT:
The electric lamp has a lamp vessel (1) provided with a pinch seal (4) which is H-shaped in cross sections. Metal foils (6), to which inner (8) and outer conductors (7) are connected to constitute current supply conductors (5), are embedded in the pinch seal (4). The metal foils (6) are each located in a respective plane parallel to the axis (3) of the lamp vessel (1) in a respective leg (4') of the H. This allows for a relatively large distance between the current supply conductors, although the pinch seal may have relatively small outer dimensions.

REFERENCES:
patent: 3441778 (1969-04-01), Deiss
patent: 3515420 (1970-06-01), Thomasson et al.
patent: 3515931 (1970-06-01), Takakuwa
patent: 4769574 (1988-09-01), Nagasawa et al.
patent: 4979082 (1990-12-01), Devir
patent: 5039909 (1991-08-01), Kiesling et al.
patent: 5144192 (1992-09-01), Barthelmes

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