Method of manufacturing bulked continuous filaments

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United States of America Patent

PATENT NO 9409363
SERIAL NO

14256261

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Abstract

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A method of manufacturing bulked continuous carpet filament which, in various embodiments, comprises: (A) grinding recycled PET bottles into a group of flakes; (B) washing the flakes; (C) identifying and removing impurities, including impure flakes, from the group of flakes; (D) passing the group of flakes through an MRS extruder while maintaining the pressure within the MRS portion of the MRS extruder below about 5 millibars; (E) passing the resulting polymer melt through at least one filter having a micron rating of less than about 50 microns; and (F) forming the recycled polymer into bulked continuous carpet filament that consists essentially of recycled PET.

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Patent Owner(s)

Patent OwnerAddress
ALADDIN MANUFACTURING CORPORATION160 SOUTH INDUSTRIAL BOULEVARD CALHOUN GA 30701

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Clark, Thomas Chattanooga, US 59 695

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