Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Patent
1987-01-30
1987-10-27
Rowan, Kurt
Electric lamp or space discharge component or device manufacturi
Process
With assembly or disassembly
445 22, 445 44, H01J 900, H01J 926
Patent
active
047027177
ABSTRACT:
A method of making a dual envelope lamp wherein a first envelope is formed having opposite sealed ends with conductive wires projecting therefrom. A formed reflector is welded at one end thereof to one wire and wrapped about the first envelope's opposite sealed end. Conductors are connected (welded) to the other wire and the opposite end of the reflector, respectively. This reflector, first envelope and conductor assembly is then slidably inserted within the open end of a piece of quartz tubing and a press sealed formed about the conductors. Subsequently, the tubing is flushed (e.g., with argon) and filled with an inert gas at a fixed pressure, followed by a tipping operation in which the opposite end of the tubing is sealed to thus define the second (outer) envelope.
REFERENCES:
patent: 3211938 (1965-10-01), Holcomb
patent: 3418512 (1968-12-01), T'Jampens
patent: 3502932 (1970-03-01), Berlec
patent: 3593060 (1971-07-01), Kryder
patent: 3726582 (1973-04-01), Tol
patent: 4580989 (1986-04-01), Fohl
Morris Merle E.
Senft Stephen P.
Fraley Lawrence R.
GTE Products Corporation
Rowan Kurt
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