Spray-coating method of window forming in tubular lamp

Details Spray-coating method of window forming in tubular lamp Spray-coating method of window forming in tubular lamp

1976-10-26

1977-12-20

Kaplan, Morris

Coating processes

Electrical product produced

Hollow article

118317, 427233, B05D 102, H01K 702

Patent

active

040642917

ABSTRACT:
A method of applying a longitudinally extending coating of a reflecting or luminescent material in a tubular lamp by means of a nozzle which travels along the longitudinal axis of the lamp envelope. A plurality of spraying jets are so disposed that the suspension or solution, lands on a portion of the envelope immediately adjacent to the slot to be formed.

REFERENCES:
patent: 2619430 (1952-11-01), Fink
patent: 2895449 (1959-07-01), Oldfield, Jr.
patent: 2930531 (1960-03-01), Kennedy, Jr.
patent: 3019938 (1962-02-01), Miller et al.
patent: 3204604 (1965-09-01), Barich et al.
patent: 3421701 (1969-01-01), Walters
patent: 3809944 (1974-05-01), Jongerius et al.

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