Internally fused electric lamp with partially embedded fuse wire

Details Internally fused electric lamp with partially embedded fuse wire Internally fused electric lamp with partially embedded fuse wire

1984-06-21

1986-11-11

Moore, David K.

Electric lamp and discharge devices

With envelope

Having base and connector

313315, H01J 562, H01J 550

Patent

active

046224882

ABSTRACT:
A lamp includes a tube which forms part of a sealed vessel, extending between a lamp cap and a pinch at an end of the tube inside the vessel. A current supply conductor extending between a cap contact and a light source inside the vessel includes a fuse wire portion which is embedded in an electrically insulated mass within the tube, part of the fuse wire portion being free of the insulating mass, between the mass and the lamp cap.

REFERENCES:
patent: 3346768 (1967-10-01), Patsch
patent: 3413511 (1968-11-01), Plagge
patent: 4216406 (1980-08-01), Bjorkman et al.

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