Polyolefin fiber roll and method of making the same

Details Polyolefin fiber roll and method of making the same Polyolefin fiber roll and method of making the same

B - Operations, Transporting

29

D

15/133

B29D 99/00 (2010.01) B08B 1/04 (2006.01) B21B 39/00 (2006.01) F16C 13/00 (2006.01)

Patent

CA 1269808

Polyolefin Fiber Roll and Method of Making the Same Abstract Acid- and caustic- resistant rolls are prepared by forming a nonwoven web of randomly laid entangled polyolefin fibers, stacking a multiplicity of segments of the web into a pile, compacting the pile under a compaction force equivalent to a room temperature compaction force of about 20 x 105 to 55 x 105 Pa, restraining the pile on its compacted configuration, and, if needed, dressing the sides of the compacted pile to form a smooth cylindrical surface. The preferred polyolefin fibers are formed of polyethylene, polypropylene or polybutylene.

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