Method for fabricating fluorescent lamp

Details Method for fabricating fluorescent lamp Method for fabricating fluorescent lamp

1981-07-23

1982-10-12

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Fusion bonding of glass to a formed part

65 42, 65 607, C03D 2320

Patent

active

043537278

ABSTRACT:
A mount having a flared portion is so located that it is coaxial with a straight glass tube having an unconstricted end part and that an end face of the flared portion lies slightly inwards with respect to an end face of the glass tube. Subsequently, an outer surface of the end part of the glass tube is uniformly heated, whereby the flared portion and the end part of the glass tube are melted and stuck to each other. At this time, a surface temperature of the whole glass tube except the melted and stuck portion is maintained at or above 40.degree. C. As a result, a fluorescent lamp having good lamp characteristics is fabricated by the use of the inexpensive glass tube.

REFERENCES:
patent: 2215644 (1940-09-01), Hays
patent: 2449637 (1948-09-01), Blake et al.
patent: 3932164 (1976-01-01), Gebhardt

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