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US 2007/0176560 A1Published application
Gas discharge lamp comprising a helicoid discharge tube and an inner tube piece
AssigneeOsram Gesellschaft Mit Beschraenkter Haftung
InventorsAndreas Hollstein, Thomas Noll
Life of this patent
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Abstract
The invention relates to a novel compact fluorescent lamp with a helical discharge tube 2 and a tube piece 8 which is fitted to it and can serve to accommodate an Hg source 14 and also as an exhaust tube, and to a corresponding production process.
Claims17
A gas discharge lamp having a discharge tube (2) which is at least partially wound helically around an axial free space, and a tube piece (8) which is fitted to the discharge tube (2), characterized in that the tube piece (8) extends inside the helix shape.
Dependencies are inferred from the claim text.