Process for producing laminated sheet comprising alumina fiber precursor
AssigneeMitsubishi Chemical Corporation
InventorsMamoru Shoji, Norio Ikeda, Toshiaki Sasaki
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Abstract
The present invention relates to a process for producing a laminated sheet comprising an alumina fiber precursor, which process comprises spinning out an alumina fiber precursor from a solution mainly comprising an aluminum compound, falling and stacking said alumina fiber precursor on the surface of an accumulator to form a thin lamina sheet of alumina fiber precursor, continuously pulling out said lamina sheet from the accumulator, transferring the resultant lamina sheet to a folding device, and folding the sheet by a predetermined width while stacking the folded sheet and continuously moving the stacking sheet in the direction orthogonal to the folding direction.
Claims7
A process for producing a laminated sheet, which process comprises:
- spinning out an alumina fiber precursor from a solution mainly comprising an alumina compound,
- falling and stacking said alumina fiber precursor on the surface of an accumulator to form a thin lamina sheet of alumina fiber precursor,
- continuously pulling out said lamina sheet from the accumulator,
- transferring the resultant lamina sheet to a folding device,
- folding the lamina sheet by a predetermined width while stacking the folded sheet and continuously moving the stacked sheet in a direction orthogonal to a folding direction to form a laminated sheet, and
- calcining the laminated sheet of alumina fiber precursor.
Dependencies are inferred from the claim text.