Method for manufacturing an electric light bulb

Details Method for manufacturing an electric light bulb Method for manufacturing an electric light bulb

H - Electricity

01

K

H01K 3/06 (2006.01) H01K 1/18 (2006.01) H01K 9/08 (2006.01)

Patent

CA 2252615

The invention relates to a method for manufacturing an electric light bulb containing at least one spiral-wound filament (31) and a dimmer cap (20). According to the invention, one end (31a) of a spiral-wound filament (31) is threaded in a notch (23) on the rim of the dimmer cap (20) and melted on to the dimmer cap (20). This is done by melting the material of the dimmer cap (20) in the area of the notch (23) so that the molten elements wet the spiral-wound filament (31a) arranged in the notch (23) and the spiral-wound filament (31) is embedded in the solidified material (20a) of the dimmer cap (20)after the molten elements have hardened.

L'invention concerne un procédé de production d'une lampe à incandescence électrique qui comprend au moins un filament boudiné (31) et un capuchon anti-éblousissant (20). Au cours dudit procédé présenté, une extrémité (31a) d'un filament boudiné (31) est enfilée dans une entaille (23) ménagée dans le bord du capuchon anti-éblouissant (20) et fondu avec le dit capuchon anti-éblouissant (20). A cette effet, on fait fondre le matériau du capuchon anti-éblouissant (20) dans la zone de l'entaille (23) de sorte que la matière en fusion mouille l'extrémité (31a) du filament boudiné placé dans l'entaille (23) et que cette extrémité (31a) du filament boudiné soit incorporée dans la matière (20a) du capuchon anti-éblouissant (20) après solidification de celle-ci.

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