Electric incandescent lamp

Details Electric incandescent lamp Electric incandescent lamp

1997-06-04

1999-10-05

O'Shea, Sandra

Electric lamp and discharge devices

With gas or vapor

Incandescent filament lamp

313574, 313628, 313344, 313492, H01J 1720, H01J 6112, H01J 116, H01K 150

Patent

active

059629720

ABSTRACT:
The electric incandescent lamp has a lamp vessel (1) in which a filament (3) is disposed substantially concentric with the longitudinal axis (2) of the lamp vessel (1). Current conductors (4) extend from the lamp vessel (1), an internal conductor (10) part of which is substantially concentrically with the axis (2) and has an end portion (11) having unround cross-sections (12). An end portion (6) of the filament (3) is wound onto the unround cross-sections (12) of a respective internal conductor (10) to constitute clamping windings (5). The lamp is of a simple construction to obtain reliably a concentrically mounted filament.

REFERENCES:
patent: 3170081 (1965-02-01), Rokosv
patent: 4275329 (1981-06-01), Fridrich et al.
patent: 4783611 (1988-11-01), Vogels et al.
patent: 4812710 (1989-03-01), Klam et al.
patent: 5001397 (1991-03-01), Der Kinderen
patent: 5793161 (1998-08-01), Peeters et al.

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