Method for forming mineral fibers
AssigneeOwens-Corning Fiberglas Corporation
InventorRobert L. Houston
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Abstract
A method and apparatus for fiberizing molten mineral material of the type in which molten mineral material is supplied to a spinner and centrifuged by the spinner into mineral fibers, is characterized by fiberizing the molten mineral material at a temperature below the liquidus temperature of the molten mineral material.
Claims7
In a method of fiberizing molten mineral material of the type in which molten mineral material is supplied to a spinner and caused to flow outwardly to the spinner peripheral wall, from which the molten mineral material is centrifuged into mineral fibers, the improvement comprising supplying the molten mineral material to said spinner at a temperature above the liquidus temperature, and cooling the molten mineral material to a temperature below the liquidus temperature before the molten mineral material is discharged from said spinner peripheral wall.
Dependencies are inferred from the claim text.