H - Electricity – 01 – J
Patent
H - Electricity
01
J
117/55, 32/61
H01J 9/227 (2006.01) B05B 1/28 (2006.01) B05D 1/02 (2006.01) H01J 9/20 (2006.01)
Patent
CA 1067764
ABSTRACT Method of applying a longitudinal slot in a reflecting and/or luminescent coating in a tubular lamp by means of a nozzle which travels along the longitudinal axis of the lamp envelope, with spraying channels, a plurality of spraying channels being so directed that the jets of suspension and/or solution, coming from these channels, which land on the portion of the envelop immediately adjacent to the slot to be formed, are at such an angle with the lamp envelope that the slot to be formed remains free from splashes.
264314
Kuijer William L.
Sygall Peter I.
Wennekes Paulus J.
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