Heat storage bricks esp for electrical storage heaters - mfd from ferric oxide and a calcium containing additive

Heat accumulating medium, esp. a brick for an electrical storage heater, are mfd by heating a mixture of ferric oxide and an additn. principally consisting of a suitable calcium compound, for improving the volumetric heat capacity of the ferric oxide, to a suitable temp. for bringing about reaction...

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Bibliographische Detailangaben
Hauptverfasser:	CUNNINGHAM EADIE,GORDON, FREDERICK HINSLEY,CHRISTOPHER
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ADHESIVES ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DYES LIME, MAGNESIA MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	Heat accumulating medium, esp. a brick for an electrical storage heater, are mfd by heating a mixture of ferric oxide and an additn. principally consisting of a suitable calcium compound, for improving the volumetric heat capacity of the ferric oxide, to a suitable temp. for bringing about reaction between the addtn and the ferric oxide, and thereafter grinding the reaction product to form particles which are then compacted and sintered.