Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen Mbh

Osram Gesellschaft MIT Beschraenkter Haftung

Marcel Vuc

Roland Stark

Jürgen Gräf

Matthias Damm

Thomas Bittmann

Thomas Deutscher

Richard Semba

The elongate inner bulb () defines a longitudinal axis (A) and is sealed at mutually opposing ends by sealing parts (), an outer bulb being placed, with an adjoining tube piece, over the inner bulb and being fixed to the sealing part by means of an annular beading formed there, the end of the tube piece being radially attached to the beading, the maximum inner diameter of the beading being larger than the outer diameter of the sealing part in the region of the beading.

Electric lamp having an outer bulb

The invention relates to an illumination unit having an electric lamp and an envelope fixed thereto, the lamp having a base, in particular a G9 base, protruding from said envelope, and the fastening means for the envelope being connected to the lamp vessel such that the base is freely accessible for a corresponding lamp holder.

Headlamp capsule with debris protection

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Neuburg, Germany

Marcel Vuc