Segmented heater assembly

Electric heating – Heating devices – With heating unit structure

Patent

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Details

219535, 219541, 361114, 361125, 361132, 361134, 156619, H05B 310

Patent

active

044107960

ABSTRACT:
A picket or zig-zag type heater for use in high temperature furnaces, such as are used for crystal growing for example, is constructed from a plurality of like graphite cylindrical shell segments assembled into a cylindrical shell having uniform resistance heating characteristics by graphite connector elements which also function to couple the electric current source to the heater.

REFERENCES:
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patent: 2966537 (1960-12-01), Witucki et al.
patent: 3004090 (1961-10-01), Donovan et al.
patent: 3184530 (1965-05-01), Properzi
patent: 3359077 (1967-12-01), Arst
patent: 3469013 (1969-09-01), Hetherington et al.
patent: 3798007 (1974-03-01), Bochman et al.
patent: 3860736 (1975-01-01), Ford
patent: 4158695 (1979-07-01), Ishizuka et al.
patent: 4259278 (1981-03-01), Flegel et al.

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