Cylindrical fibrous structures and method of manufacture

Details Cylindrical fibrous structures and method of manufacture Cylindrical fibrous structures and method of manufacture

B - Operations, Transporting

01

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182/65

B01D 27/04 (2006.01) B01D 39/16 (2006.01) D04H 1/00 (2006.01) D04H 1/56 (2006.01)

Patent

CA 1258643

ABSTRACT OF THE DISCLOSURE Cylindrical fibrous structures comprising a fibrous mass of nonwoven, synthetic, polymeric microfibers wherein the microfibers are substantially free of fiber-to-fiber bonding and secured to each other by mechanical entanglement or intertwining, the fiber structure having a substantially constant voids volume over at least a substantial portion of the structure and, prefer- ably, a graded fiber diameter structure, both as measured In the radial direction. The structures are particularly useful as depth filters.

571093

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