Fluorescent lamp and method of manufacturing same

Details Fluorescent lamp and method of manufacturing same Fluorescent lamp and method of manufacturing same

2005-08-30

2005-08-30

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

Having lead-in shield

C313S240000

Reexamination Certificate

active

06936967

ABSTRACT:
Fluorescent lamp (1) having a glass discharge vessel (2) in which a gas is present, which discharge vessel (2) is provided with a tubular end portion (3) having a longitudinal axis, which end portion (3) includes a glass stem (5), wherein an exhaust tube (6) extends axially outward from said stem (5) for supplying and/or discharging gases during the production of the lamp (1), wherein an electrode (8) extends axially inward through the stem (5) for maintaining a discharge in the discharge vessel (2), wherein the inwardly disposed end (10) of the electrode (16) is radially surrounded by a shield (15) for intercepting material emitted by the electrode (16), which shield (15) is mounted on an elongate support (16) which extends inward from the stem (5), and wherein said support (16) extends outward through the stem (5) into the exhaust tube (6).

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