Polyester fiberfill and process

Details Polyester fiberfill and process Polyester fiberfill and process

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B32B 5/16 (2006.01) A47G 9/00 (2006.01) B68G 1/00 (2006.01) D04H 1/00 (2006.01) D04H 1/54 (2006.01) D06M 15/507 (2006.01)

Patent

CA 1250415

TITLE IMPROVED POLYESTER FIBERFILL AND PROCESS ABSTRACT Polyester fiberfill having spiral-crimp that is randomly-arranged and entangled in the form of fiberballs with a minimum of hairs extending from their surface, and having a refluffable characteristic similar to that of down on account of the low cohesion between the balls. A process for making such fiberballs by repeatedly air-tumbling small tufts of such fiberfill against the wall of a vessel.

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