EP 1805785 B1 20101201 - INCANDESCENT LAMP HAVING AN ILLUMINANT THAT CONTAINS A HIGH-TEMPERATURE RESISTANT METAL COMPOUND
Title (en)
INCANDESCENT LAMP HAVING AN ILLUMINANT THAT CONTAINS A HIGH-TEMPERATURE RESISTANT METAL COMPOUND
Title (de)
GLÜHLAMPE MIT EINEM LEUCHTKÖRPER, DER EINE HOCHTEMPERATURBESTÄNDIGE METALLVERBINDUNG ENTHÄLT
Title (fr)
LAMPE A INCANDESCENCE AYANT UNE LAMPE CONTENANT UN COMPOSE METALLIQUE RESISTANT AUX TEMPERATURES ELEVEES
Publication
Application
Priority
- DE 2005001857 W 20051018
- DE 102004052044 A 20041026
Abstract (en)
[origin: US2009045742A1] The invention relates to an incandescent lamp (1) which is provided with an illuminant (7) which is inserted in a bulb (2) together with a filling in a vacuum-tight manner, the illuminant (7) comprising a metal carbide that has a melting point above that of tungsten. The bulb also comprises a source and a sink for a material of which the illuminant is depleted during use.
IPC 8 full level
H01K 1/08 (2006.01); H01K 1/10 (2006.01); H01K 1/52 (2006.01)
CPC (source: EP US)
H01K 1/52 (2013.01 - EP US)
Citation (examination)
- US 3405328 A 19681008 - JOHANSEN HERMAN A, et al
- US 3277330 A 19661004 - COOPER JR DEXTER P
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
US 2009045742 A1 20090219; US 7911121 B2 20110322; AT E490547 T1 20101215; CA 2584458 A1 20060504; CN 101048850 A 20071003; CN 101048850 B 20110309; DE 102004052044 A1 20060427; DE 502005010636 D1 20110113; EP 1805785 A2 20070711; EP 1805785 B1 20101201; JP 2008518409 A 20080529; JP 4571981 B2 20101027; WO 2006045273 A2 20060504; WO 2006045273 A3 20061026
DOCDB simple family (application)
US 66515805 A 20051018; AT 05803936 T 20051018; CA 2584458 A 20051018; CN 200580036466 A 20051018; DE 102004052044 A 20041026; DE 2005001857 W 20051018; DE 502005010636 T 20051018; EP 05803936 A 20051018; JP 2007538259 A 20051018