Carbon dioxide treatment of concrete upstream from product mold
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United States of America Patent
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Sep 30, 2014
Grant Date -
May 1, 2014
app pub date -
Oct 25, 2012
filing date -
Oct 25, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Fresh concrete is treated with carbon dioxide prior to delivery to a product mold for forming concrete products. Carbon dioxide gas is directed through a manifold, which may be coupled to a feedbox or a hopper, upstream from the product mold. Treating the fresh concrete with the carbon dioxide gas while it is in a loose state prior to placement in the product mold may generally promote uniform and enhanced carbon dioxide uptake.
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International Classification(s)
- C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
- B28B:SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG O....
- H05B:ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE ....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B29B:PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE ....
- A21C:MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOU....
- E04G:SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENT....
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