Filament shields for par lamps

Details Filament shields for par lamps Filament shields for par lamps

1978-03-15

1980-01-08

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Reflector

313 41, 313239, 313240, H01J 516, H01J 6140, H01K 126, H01K 130

Patent

active

041829700

ABSTRACT:
A filament shield for pressed glass reflector lamps is disclosed which comprises an iron base having an aluminum coating thereon heated to produce an FeAl.sub.3 outer layer having a dark, matte finish.

REFERENCES:
patent: Re29390 (1977-09-01), Evers
patent: 2876375 (1959-03-01), Marsh

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