Global Patent Index - EP 0128553 B1

EP 0128553 B1 19891227 - SINGLE-ENDED METAL HALIDE DISCHARGE LAMPS AND PROCESS OF MANUFACTURE

Title (en)

SINGLE-ENDED METAL HALIDE DISCHARGE LAMPS AND PROCESS OF MANUFACTURE

Publication

EP 0128553 B1 19891227 (EN)

Application

EP 84106570 A 19840608

Priority

US 50277283 A 19830609

Abstract (en)

[origin: EP0128553A1] A single-ended metal halide discharge lamp including a fused silica elliptical-shaped envelope which is filled with a metal halide dosed high pressure mercury fill and wherein a pair of electrodes each having a metal rod with a ball on the end thereof are sealed whereby isothermal operation of the elliptical-shaped envelope is effected. A manufacturing process is also provided wherein an elliptical-shaped envelope is formed, a pair of electrodes having metal rods with a ball on the end thereof are sealed into one end of the envelope, and the envelope is filled with a metal halide dosed high pressure mercury fill.

IPC 1-7

H01J 61/18; H01J 61/82

IPC 8 full level

H01J 9/24 (2006.01); H01J 9/32 (2006.01); H01J 9/38 (2006.01); H01J 9/42 (2006.01); H01J 61/073 (2006.01); H01J 61/52 (2006.01); H01J 61/82 (2006.01); H01J 61/84 (2006.01); H01J 61/88 (2006.01)

CPC (source: EP)

H01J 9/247 (2013.01); H01J 61/073 (2013.01); H01J 61/827 (2013.01)

Citation (examination)

Designated contracting state (EPC)

BE DE FR GB NL

DOCDB simple family (publication)

EP 0128553 A1 19841219; EP 0128553 B1 19891227; CA 1255746 A 19890613; DE 128553 T1 19850411; DE 3480889 D1 19900201; JP H0542770 B2 19930629; JP S609048 A 19850118

DOCDB simple family (application)

EP 84106570 A 19840608; CA 455936 A 19840605; DE 3480889 T 19840608; DE 84106570 T 19840608; JP 11681284 A 19840608