Molding Apparatus for Modified Sulfur Concrete Substance Product
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United States of America Patent
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app pub date -
Nov 17, 2010
filing date -
Sep 12, 2008
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Abandoned
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Abstract
In the present invention, as a sulfur-containing material fully filled into a cavity of a mold body in which the inside of an outer mold having the cavity which can be hermetically sealed is heated to a temperature within a preset temperature range of which a lower limit is equal to or above a melting point of sulfur is cooled and contracted in the cavity, the sulfur-containing material stored in a filling tank in which a cover is attached to an upper end opening of filling tank, so that the inside of filling tank can be hermetically sealed, and also, the inside of filling tank is pressurized to a predetermined pressure, and the inside of filling tank is heated to a temperature within the preset temperature range, is replenished into the cavity by a pressure in filling tank to mold a modified sulfur concrete substance product.
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