High performance fibrillated film wound filter cartridge

Details High performance fibrillated film wound filter cartridge High performance fibrillated film wound filter cartridge

D - Textiles, Paper

01

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183/109, 18/545

D01D 5/42 (2006.01) B01D 39/16 (2006.01)

Patent

CA 1181017

Abstract The invention relates to filters of the helical precision wound type in which the strands are of a yarn formed from highly fibrillated polymer film. In one form of the invention a conventional filter cartridge of about 2-7/16 inch overall diameter on a core of about 1-1/8 inch diameter is prepared by winding a highly fibrillated film yarn or 10,000 total bundle denier, a fibril denier of less than 50 and greater than three percent broken fibrils onto a cartridge of any desired length. This cartridge exhibits much higher life and efficiency than previously available fibrillated film filter cartridges.

405413

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