Method of making spinner discs for rotary fiberization...

Details Method of making spinner discs for rotary fiberization... Method of making spinner discs for rotary fiberization...

B - Operations, Transporting

23

P

B23P 15/16 (2006.01) C03B 37/095 (2006.01) C23C 16/40 (2006.01) C23G 5/00 (2006.01) D01D 5/18 (2006.01) C03B 37/04 (2006.01) C03B 37/08 (2006.01)

Patent

CA 2327855

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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