Ceramic Composition Suitable for Bricks (Patent No: 800031)
Inventor: von Engelhardt, Frederic
Comments: see Edmonton Journal, June 15, 1968, b 1913 emigrated from Russia to Germany after Russian Revolution; librarian after WWII went from East Germany to West Germany to Canada; re-established business in Edmonton 1952; founded Salamander Ceramics in West Germany used flyash and tailingdam to manufacture clayless bricks; 10 years of research; not developed; retired to Vancouver; sculptor
Description: 800,031 Issued November 26, 1968
CERAMIC COMPOSITION SUITABLE FOR BRICKS
Frederick von Engelhardt, Edmonton, Alberta, Canada
Application No. 933,654, filed June 18, 1965 12 Claims—Class 261-38
1. A ceramic composition containing fly ash and tailing dam materials comprising approximately the following pre-igition analysis:
silica: 24-65%; ferric oxide: 4-35%; alumina:
10-29%; alkali (Na2O): 0.4-1.2%; balance:
impurities including gas forming materials evolved during firing: 11-30%, all percentages being percent by weight.
2. A ceramic composition containing fly ash and tailing dam materials comprising approximately the following pre-ignition analysis:
silica: 44.55; ferric oxide: 14.05; alumina:
20.68; alkali (Na2O): 0.77; balance: impurities including gas forming materials evolved during firing: 19.91, all parts being percent by weight.