Lamp with a bulb made of a high silica content glass

Details Lamp with a bulb made of a high silica content glass Lamp with a bulb made of a high silica content glass

1986-12-03

1988-06-07

Moore, David K.

Electric lamp and discharge devices

Electrode and shield structures

With lead wire or connector

313578, 313579, 313623, 313636, H01J 532

Patent

active

047499028

ABSTRACT:
To improve tightness of a pinch or press seal (2a; 13a, 13b) between a modenum foil and quartz or similar hard glass of an electric lamp, typically a halogen incandescent lamp or metal halide discharge lamp, an intermediate melt glass layer in form of a strip is applied to the sealing foil, which has the following main components:

REFERENCES:
patent: 3420944 (1969-01-01), Holcomb
patent: 3515420 (1970-06-01), Thomasson et al.
patent: 3723790 (1973-03-01), Dumbaugh, Jr. et al.
patent: 4238705 (1980-12-01), Thomas

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