Method for control of the surface weight of a mineral wool mat
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United States of America Patent
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-
Jul 1, 1980
Grant Date -
N/A
app pub date -
Jul 3, 1978
filing date -
Jul 3, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method is provided for controlling the surface weight of a mineral wool mat in a process in which fibers of mineral wool are produced by spinning a mineral melt and the mineral wool formed from the fibers is transferred to a collection device using a stream of gas which is separated from the mineral wool in the collection device, the mineral wool forming a mat on a collection band. The method concerns measuring at least two variables which influence the amount of mineral wool formed per unit time and predicting, based on these measurements, the production of mineral wool at a predetermined future point in time. The surface weight of the mineral wool mat is measured along with the speed of the collection band and these quantities are used to determine the actual amount of mineral wool produced at the predetermined time. The values corresponding to the actual and predicted amounts are compared to determine the error in the latter and this information together with updated measurements of the two variables is used to make a new prediction.
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