Metal working – Method of mechanical manufacture – Electrical device making
Patent
1978-02-21
1980-05-20
Husar, Francis S.
Metal working
Method of mechanical manufacture
Electrical device making
29613, 29619, 219535, 338301, 338311, 338314, H05B 300
Patent
active
042031974
ABSTRACT:
An electric band heater of low expansion characteristics having an integral ceramic core with resistance wire sandwiched therein and encased within a metal housing, the core being formed from a wire wound ceramic sheet sandwiched between ceramic sheets; and a method for making such a heater which includes the steps of arranging an assembly of a wire wound organic-ceramic core strip between organic-ceramic insulator strips and placing the same within a metal housing, compressing and forming the assembly and then heating the assembly to bake out organic binder materials and sinter ceramic materials into a ceramic mass.
REFERENCES:
patent: 761204 (1904-05-01), Carpenter
patent: 1042432 (1912-10-01), Hadaway
patent: 2359983 (1944-10-01), Fry
patent: 2957227 (1960-10-01), Scott
patent: 3248680 (1966-04-01), Ganci
patent: 3523363 (1970-08-01), Kuwayama
patent: 3872281 (1975-03-01), Krieg
Crosby Gene P.
Fast Heat Element Mfg. Co., Inc.
Husar Francis S.
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