Filamented lamp manufacture method

Details Filamented lamp manufacture method Filamented lamp manufacture method

1991-01-02

1993-05-25

Seidel, Richard K.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

445 16, 445 40, 445 43, 65 5927, H01J 924, H01K 320, H01K 322

Patent

active

052135365

ABSTRACT:
A method of fabricating a filamented capsule from a tubular blank, and a mold used in such fabrication, is provided wherein a first filament is sealed in a first press seal in one end of the blank, and a preform designed to facilitate insertion and positioning of a second filament is formed in an opposite end of the blank, in a single pressing and blowing step.

REFERENCES:
patent: 3162499 (1964-12-01), Gustin
patent: 3295016 (1966-12-01), Ayres et al.
patent: 3462209 (1969-08-01), Fridrich
patent: 3685880 (1972-08-01), Sobieski
patent: 3759601 (1973-09-01), Bonazoli et al.
patent: 4434386 (1984-02-01), Lowe
patent: 5008592 (1991-04-01), Pragt

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