EP 0564424 A3 19940105 -
Publication
Application
Priority
SE 9200057 A 19920110
Abstract (en)
[origin: EP0564424A2] With the intention of restricting the storage volume of semi-manufactures in the manufacture of compact fluorescent tubes with external ballast and compact fluorescent lamps with integrated ballast, there is provided a base upper-part (5) which can be joined alternatively to the base (9) of a compact fluorescent tube with external ballast or to a housing (11) configured to enclose ballast and provided with an E27-base and intended for compact fluorescent lamps with integrated ballast. In order to provide a durable connection between the base upper-part (5) with cemented-in discharge tubes (1, 1 min ), and a respective base lower-part (9; 11), the latter is provided with a circumferentially extending ridges which, when the parts are pressed together, engages a groove (8) formed on the inner surface of a flange (7) that extends circumferentially around the base upper-part (5). <IMAGE>
IPC 1-7
IPC 8 full level
H01J 5/54 (2006.01)
CPC (source: EP)
H01J 5/54 (2013.01)
Citation (search report)
- [XA] EP 0346782 A1 19891220 - SKYLINE HOLDING AG [CH]
- [A] US 4879494 A 19891107 - TUTTLE BILLY W [US]
- [A] WO 8504769 A1 19851024 - NIGG JUERG
- [A] DE 8431416 U1 19870820
Designated contracting state (EPC)
BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0564424 A2 19931006; EP 0564424 A3 19940105; SE 469675 B 19930816; SE 9200057 D0 19920110; SE 9200057 L 19930711
DOCDB simple family (application)
EP 93850004 A 19930108; SE 9200057 A 19920110