Method of sealing halogen lamp

Details Method of sealing halogen lamp Method of sealing halogen lamp

1997-05-15

1999-11-16

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

445 26, H01J 2700

Patent

active

059847506

ABSTRACT:
A method of sealing a halogen lamp including: providing a lamp envelop having an envelop body, an open end portion and a closed end portion: inserting a mount including a filament into the lamp envelop through the open end portion thereof; heating the closed end portion of the lamp envelop to soften and shrink thereby sealingly embedding one end of the mount in the closed end portion of the lamp envelop, while providing a reduced pressure in the lamp envelop; filling the lamp envelop with a required gas; and heating the open end portion of the lamp envelop to soften and shrink thereby sealingly embedding the other end of the mount in the closed end portion of the lamp envelop.

REFERENCES:
patent: 5008592 (1991-04-01), Pragt
patent: 5108333 (1992-04-01), Heider et al.
patent: 5209689 (1993-05-01), Griffin et al.
U.S. application Ser. No. 08/857,003, filed May 15, 1997, pending.
U.S. application Ser. No. 08/923,541, filed Sep. 4, 1997, pending.

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