Electric lamp and discharge devices – With temperature modifier – Double wall – jacket or casing for envelope
Patent
1994-05-12
1996-11-19
O'Shea, Sandra L.
Electric lamp and discharge devices
With temperature modifier
Double wall, jacket or casing for envelope
313580, 313634, H01K 134, H01J 6134
Patent
active
055765912
ABSTRACT:
The invention relates to a gas discharge lamp having a gas discharge tube, which is at least partly surrounded by a transparent protective bulb, the latter having a bursting guard. The protective bulb is designed as a completely closed envelope bulb, which surrounds in vacuum-tight manner the gas discharge tube. The bursting guard also completely envelops the envelope bulb.
REFERENCES:
patent: 4625140 (1986-11-01), Gagnon
patent: 4721876 (1988-01-01), White et al.
patent: 4888517 (1989-12-01), Keeffe et al.
patent: 4942330 (1990-07-01), Kariotaki et al.
patent: 4950938 (1990-08-01), Ramaiah
Block Werner
Claus Holger
BLV Licht-und Vakuumtechnik GmbH
O'Shea Sandra L.
Patel Vip
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