IP Library Granted Patent US 8,123,583
Granted Patent B2
US 8,123,583 · App. 12/452,603 · Granted Feb 28, 2012

Production method for discharge lamps

Assignee: Osram AG
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Quick Facts
Patent No.
US 8,123,583
App. No.
12/452,603
Granted
Feb 28, 2012
Kind
B2
Abstract

The present invention relates to a method for producing a discharge lamp using a two-stage filling process.

Claims (13)

1. A method for producing a discharge lamp, having the steps:

assembling an open discharge vessel ( 2 , 3 , 16 ) of the discharge lamp and filling it with a first gas in an environment ( 1 ) of the first gas,

adding a second gas to the first gas in the assembled discharge vessel ( 3 ), using a supply volume ( 12 , 15 ) separate from the environment of the discharge vessel ( 3 ) and wherein the assembly and filing of the discharge vessel ( 2 , 3 , 16 ) with the first gas are carried out in a continuous furnace ( 1 )

characterized in that a spectral analysis of the first gas in the discharge vessel ( 3 , 16 ) is carried out after closing the discharge vessel ( 3 , 16 ) and before introducing the second gas.

2. A method for producing a discharge lamp, having the steps:

assembling an open discharge vessel ( 2 , 3 , 16 ) of the discharge lamp and filling it with a first gas in an environment ( 1 ) of the first gas,

adding a second gas to the first gas in the assembled discharge vessel ( 3 ), using a supply volume ( 12 , 15 ) separate from the environment of the discharge vessel ( 3 ) and wherein the assembly and filing of the discharge vessel ( 2 , 3 , 16 ) with the first gas are carried out in a continuous furnace ( 1 )

characterized in that the second gas is introduced into the discharge vessel ( 16 ) through a filling spout.

3. The method as claimed in claim 1 or claim 2 , characterized in that the first gas flows around the discharge vessel ( 2 , 3 ).

4. The method as claimed in claim 1 or claim 2 , characterized in that the discharge vessel ( 2 , 3 ) is fully closed after filling with the first gas and contains an ampoule ( 12 ) of the second gas, the ampoule ( 12 ) subsequently being opened.

5. The method as claimed in claim 4 , characterized in that the ampoule ( 12 ) is opened by electromagnetic waves.

6. The method as claimed in claim 4 , characterized in that the ampoule ( 12 ) is held on the edge of the discharge vessel ( 2 , 3 ).

7. The method as claimed in claim 1 or claim 2 , characterized in that the discharge lamp is a flat radiator.

Assignments (2)
CHANGE OF NAME Recorded Jan 23, 2012
From: OSRAM GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
To: OSRAM AG
Reel/Frame 027579/0326 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 11, 2010
From: HITZSCHKE, LOTHAR; VOLLKOMMER, FRANK
To: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
Reel/Frame 023781/0264 →
Continuity (1)
Related Publication 20100159780A1 · Jun 24, 2010