METHOD AND APPARATUS FOR REMOVING SHOT FROM MINERAL FIBRE MATERIAL
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United States of America Patent
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Issued Date -
Jan 23, 2014
app pub date -
Jan 30, 2012
filing date -
Jan 31, 2011
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Abandoned
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Abstract
The invention relates to a method for removing shot from mineral fibres comprising providing a collected web of mineral fibres containing shot, subjecting the collected web of fibres to a disentanglement process, suspending the disentangled fibres in a primary air flow, thereby allowing separation of the fibres from the shot and collecting the fibres, wherein from 0% up to less than 1% by weight binder is present in the fibres collected from the primary air flow.
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