Method of forming a cured mineral fibre product
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United States of America Patent
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Feb 13, 2018
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app pub date -
Dec 5, 2013
filing date -
Dec 11, 2012
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Abstract
A method of forming a cured mineral fiber product which includes at least a top layer having mineral fibers and a base layer having mineral fibers. The method includes the steps of providing the top layer web including uncured mineral wool, providing the base layer web including cured mineral wool, joining the uncured top layer web and the cured base layer web to form an assembled laminate, and curing the top layer web in a curing oven by transporting the assembled laminate into a curing oven having an upper conveyor and a lower conveyor for curing the assembled laminate, the assembled laminate being positioned between the upper and lower conveyors. The uncured top layer web is compressed by at least 50% as it enters into the curing oven.
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