Recycling carbon fibre
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United States of America Patent
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Apr 12, 2011
Grant Date -
Jul 29, 2010
app pub date -
Jan 19, 2009
filing date -
Jan 18, 2008
priority date (Note) -
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Abstract
A method of recycling composite material comprising carbon fibers and a resin, the method comprising: providing a furnace comprising at least a heating portion; providing a transporter for transporting the composite material through the furnace; loading the composite material on the transporter and transporting the composite material through the furnace; detecting a percentage of oxygen in an atmosphere in the heating portion when the composite material has entered this portion; and removing resin from the composite material, as it travels through the heating portion of the furnace on the transporter, by means of chemical decomposition at a first temperature, with the resultant generation of fumes; wherein the generated fumes are removed from the heating portion in a controlled manner, such that the percentage of oxygen in the atmosphere in the heating portion is controlled.
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