Method of making a lamp with an internally pressed fuse

Details Method of making a lamp with an internally pressed fuse Method of making a lamp with an internally pressed fuse

1992-08-14

1993-04-27

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

H01J 932

Patent

active

052057690

ABSTRACT:
A method of making a press sealed lamp with an internally pressed fuse is disclosed. The filament structure is conveniently formed so the fuse links across a looped section of the initial filament structure. The loop structure provides strength to the fused filament structure prior to sealing. After the lamp is sealed, a portion of the exposed loop is trimmed, thereby limiting the remaining electrical connection to the path through the fuse.

REFERENCES:
patent: 3077022 (1963-02-01), Cullis, Jr.
patent: 3274426 (1966-09-01), Scoledge et al.
patent: 3346768 (1967-10-01), Patsch
patent: 3549933 (1967-12-01), Smalley
patent: 3710169 (1973-01-01), T'Jampens et al.

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