Method of producing a low-pressure mercury vapor discharge lamp

Details Method of producing a low-pressure mercury vapor discharge lamp Method of producing a low-pressure mercury vapor discharge lamp

1994-09-23

1996-08-27

Bradley, P. Austin

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

65 54, 65108, 445 22, H01J 926, H01J 924

Patent

active

055494960

ABSTRACT:
A low-pressure mercury vapour discharge lamp comprises two or more glass discharge tubes disposed in side-by-side relationship. The tubes are joined by a tapered joint region defining a generally U-shaped connection between the tubes. The joint between the tubes is produced by heating the open ends of the tubes, butt-joining the thus-softened ends, and then tapering the joint by stretching same and bending it until the tubes reach their required disposition.

REFERENCES:
patent: 2281579 (1942-05-01), Henninger, Jr. et al.
patent: 4830648 (1989-05-01), Klein et al.
patent: 4881007 (1989-11-01), Egelstam

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