Lamp having crystallizable light diffusing envelope

Details Lamp having crystallizable light diffusing envelope Lamp having crystallizable light diffusing envelope

1974-09-23

1976-06-01

Bashore, S. Leon

Glass manufacturing

Processes

Devitrifying glass or vitrifying crystalline glass

65 43, 65 59A, 65 54, 106 397, 313112, 313116, 313117, C03B 3200

Patent

active

039605337

ABSTRACT:
An incandescent lamp has an envelope made of partially crystallized glass in order to diffuse the light emanating from the filament.

REFERENCES:
patent: 1845376 (1932-02-01), Weld
patent: 2069713 (1937-02-01), Braselton
patent: 2132390 (1938-10-01), Blau
patent: 3128169 (1964-04-01), Heraeus et al.
patent: 3275492 (1966-09-01), Herbert et al.
patent: 3531303 (1970-09-01), Bahat
patent: 3645711 (1972-02-01), Pirooz
patent: 3647490 (1972-03-01), Pirooz
patent: 3663193 (1972-05-01), Wilson
patent: 3788865 (1974-01-01), Babcock et al.

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