Exhaust head for compact fluorescent lamps

Details Exhaust head for compact fluorescent lamps Exhaust head for compact fluorescent lamps

1988-10-25

1990-05-15

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Apparatus

Having evacuation or degasification means or means to...

141 66, H01J 9395

Patent

active

049254227

ABSTRACT:
An exhaust head unit for compact fluorescent lamps comprises an exhaust head block, a double rubber seal arranged in the block and serving for the reception of exhaust tubes, a vacuum valve, a gas valve, and a diaphragm for regulating the gas flow, as well as a vacuum duct and a gas duct. The vacuum valve, the gas valve and the adjoining vacuum and gas ducts are all arranged within a single exhaust head block, the diaphragm of the gas flow simultaneously constituting the seat of the gas valve.

REFERENCES:
patent: 2203612 (1940-06-01), Cox
patent: 2284036 (1942-05-01), Bol
patent: 2417361 (1947-03-01), Herzog
patent: 2740570 (1956-04-01), Breadner et al.

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