METHOD OF MAKING SPINNER DISCS FOR ROTARY FIBERIZATION PROCESSES
A method of making a spinner disc for a rotary fiberization process includes: forming a spinner disc from an alloy that forms a protective oxide film on surfaces of the spinner disc exposed to the atmosphere; forming fiberizing holes in an annular peripheral sidewall of the spinner disc; and applyin...
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | A method of making a spinner disc for a rotary fiberization process includes: forming a spinner disc from an alloy that forms a protective oxide film on surfaces of the spinner disc exposed to the atmosphere; forming fiberizing holes in an annular peripheral sidewall of the spinner disc; and applying a plasma to a surface of the spinner disc to remove hydrocarbons and sulfurous compounds from the surface of the spinner disc which would otherwise reduce and/or react with and degrade the protective oxide film forming on the surface of the spinner disc when the spinner disc is exposed to the atmosphere. |
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