Process for coating envelope for reflector-type fluorescent lamp

Details Process for coating envelope for reflector-type fluorescent lamp Process for coating envelope for reflector-type fluorescent lamp

1976-05-27

1978-05-09

Esposito, Michael F.

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

427106, 427230, 427231, 427232, 427235, 427269, 427270, 427355, 427368, 427376A, H01J 162, H01J 170

Patent

active

040888029

ABSTRACT:
Process for coating elongated lamp envelope for reflector-type fluorescent lamp in which only one lehring step is used to remove binder from the applied plural coatings, thereby reducing lamp costs and simplifying the coating process. The reflector portion of the coating is formed of mixed titania and phosphor, which permits the reflective material to be removed from the end portions of the coated envelope after the applied reflective material coating and overlying phosphor have been lehred. There is also provided the resulting lamp.

REFERENCES:
patent: 2906105 (1959-09-01), Wares
patent: 3068114 (1962-12-01), Ranby
patent: 3275872 (1966-09-01), Chernin
patent: 3541377 (1970-11-01), Nagy
patent: 3679452 (1972-07-01), Ropp
patent: 3912828 (1975-10-01), Olwert
patent: 3984590 (1970-10-01), Mason
patent: 3995191 (1976-11-01), Kaduk

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