Manufacture of glass base lamp

Details Manufacture of glass base lamp Manufacture of glass base lamp

1981-04-06

1982-07-20

McQuade, John

29 2516, H01J 926

Patent

active

043402640

ABSTRACT:
An article of manufacture and a method for manufacturing a mercury vapor lamp wherein a glass mounting base is formed separately and fixed by fusing it to one end of a tubular glass envelope. The glass envelope has an evacuated bore of capillary dimension which is precisely positioned relative to the glass base and in which conductive wires are fixed at each end during the fusing process.

REFERENCES:
patent: 2200939 (1940-05-01), Trebbin
patent: 2417061 (1947-03-01), Chilcot et al.
patent: 2664517 (1953-12-01), Wiener
patent: 3132279 (1964-05-01), Lewin
patent: 3281751 (1966-10-01), Blair
patent: 3676730 (1972-07-01), Loughridge et al.
patent: 3878419 (1975-04-01), Lafiandra
patent: 3900237 (1975-08-01), Marcucci
patent: 4277715 (1981-07-01), Claassens et al.

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