Light-source capsule containment device and lamp employing such

Details Light-source capsule containment device and lamp employing such Light-source capsule containment device and lamp employing such

1986-06-05

1988-01-26

Boudreau, Leo H.

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

313634, H01J 1728, H01J 6134

Patent

active

047218762

ABSTRACT:
A light-source containment device and lamp employing such device; a metal halide arc discharge lamp having a light-transmissive shield enclosing the arc tube and a wire mesh surrounding the shield. In the event the arc tube bursts causing shattering of the shield, the wire mesh substantially restricts shards of the shield and arc tube from shattering the outer envelope of the lamp thereby providing improved safety characteristics of the lamp. A similar containment device encloses the light-source capsule and protects against lamp-containment failures in tungsten halogen lamps.

REFERENCES:
patent: 314208 (1885-03-01), White
patent: 3223273 (1965-12-01), Thorington
patent: 4281274 (1981-07-01), Bechard et al.
patent: 4338540 (1982-07-01), Sovilla

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