Sandvik Materials Technology UK Limited

The Kanthal Corporation

John Beatson

Martin McIver

Helen Seaton

Stanley Moug

Martin Mciver

A silicon carbide heating element is provided having one or more hot zones and two or more cold ends in which:&#x2014;

Electrical resistance heating element

A strip-form silicon carbide furnace heating element is provided having a higher radiating surface area to volume ratio than a conventional tubular element.

Silicon carbide heating elements

An electrical resistance ceramic heating element comprises: a) three or more ceramic legs comprising regions of the element in which at least the majority of the electrical heating occurs (hot zones), at least one of the legs being effectively entirely a hot zone and at least two of the legs each comprising a hot zone and a cold zone; b) a number of leg terminal portions less than the number of legs, for connection to a power supply; and, c) ceramic bridging portions providing electrical connectivity between the legs.

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Perth, United Kingdom

John Beatson