Global Patent Index - EP 0589730 B1

EP 0589730 B1 19961204 - Electric lamp

Title (en)

Electric lamp

Title (de)

Elektrische Lampe

Title (fr)

Lampe électrique

Publication

EP 0589730 B1 19961204 (EN)

Application

EP 93307639 A 19930927

Priority

  • US 95150992 A 19920925
  • US 95152192 A 19920925

Abstract (en)

[origin: EP0589730A1] An electric lamp (10), such as a fluorescent tube, has an envelope (12) with an end portion having an annular seal (38) and a groove (34). A lamp base (30) has an aluminium shell (42) which is heated and pushed over the seal (38), before cooling to form an interference fit. The shell (42) may be provided with an annular rib (52) to project into the groove (34). <IMAGE>

IPC 1-7

H01J 5/60; H01K 1/46

IPC 8 full level

H01J 5/60 (2006.01); H01K 1/46 (2006.01)

CPC (source: EP)

H01J 5/60 (2013.01); H01K 1/46 (2013.01)

Designated contracting state (EPC)

BE DE FR GB NL

DOCDB simple family (publication)

EP 0589730 A1 19940330; EP 0589730 B1 19961204; DE 69306348 D1 19970116; DE 69306348 T2 19970619

DOCDB simple family (application)

EP 93307639 A 19930927; DE 69306348 T 19930927