Patent ID: 6331230
Filing Date: 2001-12-18
Classification: D21F

Abstract:
A method for making a creped throughdried web, comprising:(a) depositing an aqueous suspension of papermaking fibers onto an endless forming fabric to form a wet web;(b) dewatering the wet web to a consistency of about 30 percent or greater using a noncompressive dewatering device comprising an air plenum and a collection device that is adapted to cause a pressurized fluid at about 5 pounds per square inch gauge or greater to flow substantially through the web due to an integral seal formed between said air plenum and said collection device, wherein about 70 percent or greater of the pressurized fluid supplied to the air plenum passes through the wet web;(c) transferring the wet web to a throughdrying fabric;(d) throughdrying the noncompressively dewatered web;(e) transferring the throughdried web onto the surface of a drying cylinder; and(f) removing the throughdried web from the drying cylinder with a creping blade.