Tinted UV cured coatings for photoflash lamps

Details Tinted UV cured coatings for photoflash lamps Tinted UV cured coatings for photoflash lamps

1978-12-22

1980-11-25

Moy, Joseph Man-Fu

Combustion

Illuminating flash device, e.g., photographic bulb, etc.

Fuel charge within sealed transparent casing, e.g., bulb

F21K 500, F21K 502

Patent

active

042355907

ABSTRACT:
For use in a color-corrected photoflash unit, a flashlamp having a clear glass envelope with a transparent protective exterior coating comprising a UV curable photopolymer tinted with a colorant providing a portion of the total color correction capability of the unit.

REFERENCES:
patent: 2781654 (1957-02-01), Pipkin
patent: 3242701 (1966-03-01), Shaffer
patent: 3820931 (1974-06-01), Ohmae et al.
patent: 3827850 (1974-08-01), Shaffer et al.
patent: 4076489 (1978-02-01), Schroeter et al.

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