Electric lamp and discharge devices – With envelope – Having base and connector
Patent
1976-02-27
1977-10-04
Chatmon, Jr., Saxfield
Electric lamp and discharge devices
With envelope
Having base and connector
29 251, 29 2511, 313315, H01J 548, H01J 550
Patent
active
040526380
ABSTRACT:
An improved wedge-based lamp and method of manufacture are disclosed in which conductive leads and an exhaust tube are positioned and held in the pinch end of a flared section of glass tubing. After one or more filaments are attached to the leads and accurately positioned relative to the pinch end, an envelope is fastened to the flare to enclose the filaments and the lamp is exhausted or filled with inert gas(es) via the exhaust tube.
REFERENCES:
patent: 3345526 (1967-10-01), Wright
patent: 3780335 (1973-12-01), Stadler
patent: 3857056 (1974-12-01), Miller et al.
Graff James C.
Love Robert J.
Chatmon, Jr. Saxfield
General Electric Company
Kempton Lawrence R.
Neuhauser Frank L.
Wille Paul F.
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