Molybdenum silicide type element

Electric heating – Heating devices – With heating unit structure

Reexamination Certificate

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Details

C219S211000, C219S212000, C219S528000, C219S529000, C219S552000, C219S553000, C219S270000, C219S402000, C338S283000, C338S333000, C338S334000, C338S330000, C373S133000, C373S134000

Reexamination Certificate

active

07378621

ABSTRACT:
The present invention relates to an electrical resistance element of the molybdenum silicide type that includes two terminals (1, 2) for the supply of electric current and at least one leg (3) which extends between the terminals and which includes a glow zone. The invention is characterized in that the glow zone has different diameters along different sections (6-11, 14-17) of the leg (3; 4, 5).

REFERENCES:
patent: 3269806 (1966-08-01), Fitzer et al.
patent: 3373239 (1968-03-01), Rubisch
patent: 4267435 (1981-05-01), Best
patent: 4720624 (1988-01-01), Kikuchi et al.
patent: 834739 (1960-05-01), None
patent: 2332844 (1999-06-01), None
patent: 2332844 (1999-06-01), None

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