Global Patent Index - EP 1102310 A1

EP 1102310 A1 20010523 - Filament assembly for an incandescent lamp comprising screw-in end plugs and method of manufature thereof

Title (en)

Filament assembly for an incandescent lamp comprising screw-in end plugs and method of manufature thereof

Title (de)

Fadenaufstellung für eine Glühlampe mit hineinschraubenden Endstopfen und ihr Herstellungsverfahren

Title (fr)

Montage d'un filament pour une lampe à incandescence comprenant des bouchons d'extrémité visés et sa méthode de fabrication

Publication

EP 1102310 A1 20010523 (EN)

Application

EP 00310247 A 20001117

Priority

GB 9927728 A 19991119

Abstract (en)

A filament assembly for an incandescent lamp includes a helically coiled filament (13) and a helically coiled end plug (10) engaging an end of the filament (13). The end plug comprises a coil having a first section (11) with a diameter and pitch adapted to engage in the end of the filament coil, and a second section (12) having a pitch different from the pitch of the first section. The second section (12) of the end plug also engages the outside of a current lead wire (14), to mount the filament on the lead wire. A method of manufacture of such a filament assembly is also described. <IMAGE>

IPC 1-7

H01K 1/18; H01K 3/06

IPC 8 full level

H01K 1/14 (2006.01); H01K 1/18 (2006.01); H01K 3/06 (2006.01)

CPC (source: EP)

H01K 1/14 (2013.01); H01K 1/18 (2013.01); H01K 3/06 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 1102310 A1 20010523; GB 2356488 A 20010523; GB 9927728 D0 20000126; JP 2001196030 A 20010719

DOCDB simple family (application)

EP 00310247 A 20001117; GB 9927728 A 19991119; JP 2000350343 A 20001117