Means for supporting and sealing the lead structure of a lamp an

Details Means for supporting and sealing the lead structure of a lamp an Means for supporting and sealing the lead structure of a lamp an

1994-09-07

1995-11-21

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

445 43, 445 58, 65 42, 65 43, 65 5927, H01J 932

Patent

active

054681685

ABSTRACT:
A method of manufacture for a lamp involves making up, separate from an envelope, a sub-assembly comprising a lead structure and a vitreous body that surrounds it. In one form of this method, particles of vitreous material are pressed into a mold cavity that surrounds the lead structure, thus forming a compact surrounding the lead structure. This compact is sintered in an inert atmosphere, thereby forming the sub-assembly. Thereafter, the sub-assembly is placed in an opening in the envelope, and a hermetic seal is made between the envelope and the vitreous body in the interface region between the envelope and the vitreous body.

REFERENCES:
patent: 3169217 (1965-02-01), Dalton
patent: 3226218 (1965-12-01), Belknap
patent: 3535890 (1970-10-01), Hansen et al.
patent: 3545950 (1970-12-01), Earl
patent: 4412963 (1983-11-01), Hing
patent: 5155463 (1992-10-01), Ueda

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