Filament support structure mounting method

Details Filament support structure mounting method Filament support structure mounting method

1988-03-30

1990-01-23

Groody, James J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

313278, 140 715, 445 27, H01K 308, H01K 118

Patent

active

048955400

ABSTRACT:
A method of making an axial filament structure for a lamp in which the filament is concentric with the axis of the envelope, wherein a hook-like shape (131) is formed in a support member (117) which stretches the filament to its final turns-per-inch ratio.

REFERENCES:
patent: 2696849 (1954-12-01), Flaws, Jr. et al.
patent: 3271093 (1966-09-01), Meier
patent: 3466489 (1969-09-01), Audesse et al.
patent: 3850489 (1974-11-01), Jarc et al.
patent: 4400646 (1983-08-01), Lohrey
patent: 4556822 (1985-12-01), Lohrey et al.

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