H - Electricity – 01 – J
Patent
H - Electricity
01
J
H01J 61/02 (2006.01) H01J 5/56 (2006.01)
Patent
CA 2099687
ABSTRACT OF THE DISCLOSURE. To protect the plastic material of a plastic base (2) holding a single-ended high-pressure discharge vessel (1) in position with respect to ultraviolet (UV) radiation and heat emitted from the discharge vessel in operation of the lamp, a cover element (7, 7") of W radiation and high temperature resistant material, such as a ceramic and preferably aluminum oxide, is positioned between the discharge vessel and the plastic material of the base, located to shield the plastic base from UV and heat radiation. The cover element is, essentially, in disk or plate form, and irremovably connected to the base, for example by pin extensions integral with the base, passing through recessed openings in the cover element, and headed over, in the form of rivet or button heads, for example by ultrasonic welding.
Gaugel Manfred
Wittig Christian
Fetherstonhaugh & Co.
Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh
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