Other

Und-Sem Foundation

Oscar E Manz

A method and means for producing mineral wool from coal slag is described wherein molten coal slag is transferred from a coal slag tank in an electrical generation plant. The molten coal slag is transferred to a fiberization apparatus and is heated during the transfer process to maintain the coal slag in a molten state. In the fiberization apparatus, the molten coal slag is subjected to compressed air streams which creates mineral wool fibers which are collected in a collection apparatus.

Method and means for producing mineral wool

A thermal storage brick for use with thermal storage heaters comprised of predetermined amounts of crushed taconite pellets, clay and talc. The ingredients are formed into a brick shape under approximately 4000 p.s.i. and are fired at approximately 2150.degree. F. and are allowed to soak for approximately five hours.

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Grand Forks, ND, United States of America

Oscar E Manz