Global Patent Index - EP 1881518 B1

EP 1881518 B1 20090930 - Incandescent lamp

Title (en)

Incandescent lamp

Title (de)

Glühlampe

Title (fr)

Lampe à incandescence

Publication

EP 1881518 B1 20090930 (EN)

Application

EP 06015180 A 20060720

Priority

EP 06015180 A 20060720

Abstract (en)

[origin: EP1881518A1] This invention relates to an electric lamp (10) formed from a quartz tube (30) incorporating a U-bend (33). The filament (20) lies within a hollow central region (31), which is sealed at each end (32) in an airtight manner. Specific positioning means (40) are provided in the lamp (10) for insuring that sections of the filament (20) lie along these central axis of the puartz tube (30).

IPC 8 full level

H01K 1/24 (2006.01); H01K 1/18 (2006.01); H01K 1/32 (2006.01); H01K 3/20 (2006.01)

CPC (source: EP)

H01K 1/18 (2013.01); H01K 1/24 (2013.01); H01K 1/325 (2013.01); H01K 3/20 (2013.01); H01K 5/02 (2013.01)

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)

EP 1881518 A1 20080123; EP 1881518 B1 20090930; AT E444563 T1 20091015; CN 101110344 A 20080123; DE 602006009501 D1 20091112

DOCDB simple family (application)

EP 06015180 A 20060720; AT 06015180 T 20060720; CN 200710136187 A 20070720; DE 602006009501 T 20060720