Electric lamp for a vehicle headlight

Details Electric lamp for a vehicle headlight Electric lamp for a vehicle headlight

H - Electricity

01

J

H01J 5/54 (2006.01) H01K 1/46 (2006.01)

Patent

CA 2318850

The invention relates to lamp for a headlight of a vehicle comprising a metal- plastic socket. The lamp socket comprises a metallic holder (14a-14e) for the lamp bulb (10) and a plastic socket part (15) which is provided with the electrical contacts (16, 17) of the lamp. The metallic holder (14a-14e) is anchored in said plastic socket part (15). A sealing ring (19) formed of silicone or rubber is used for sealing the reflector opening which is configured as the lamp socket. The sealing ring (19) is arranged between the outer wall of the reflector (20) and the ring-shaped flange (15a) of the plastic socket part (15). According to the invention, the upper surface of the ring-shaped flange facing the lamp bulb (10) is provided with a light- reflecting coating.

L'invention concerne une lampe pour un projecteur de véhicule, équipée d'un culot en métal et en plastique. Ce culot présente une fixation métallique (14a-14e) l'ampoule (10) de la lampe, et une partie de culot en plastique (15) comportant les raccordements électriques (16, 17) de la lampe, la fixation métallique (14a-14e) étant ancrée dans ladite partie de culot. Une bague d'étanchéité (19) en silicone ou en caoutchouc, placée entre la paroi extérieure de réflecteur (20) et la bordure annulaire (15a) de la partie de culot en plastique (15) sert à assurer l'étanchéité de l'ouverture de réflecteur se présentant sous la forme d'une douille de lampe. Selon l'invention, le côté supérieur orienté vers l'ampoule (10), de la bordure annulaire (15a), présente un revêtement réfléchissant la lumière.

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