초록 ▼

A wet crepe, impingement-air dried process for producing absorbent paper sheet is disclosed. In preferred embodiments, the process utilizes recycle furnish and the web is delaminated as it is wet-creped from a Yankee dryer. Particular embodiments include high consistency (after-crepe) wet-shaping pr

A wet crepe, impingement-air dried process for producing absorbent paper sheet is disclosed. In preferred embodiments, the process utilizes recycle furnish and the web is delaminated as it is wet-creped from a Yankee dryer. Particular embodiments include high consistency (after-crepe) wet-shaping prior to impingement air drying on a drilled vacuum roll.

대표청구항 ▼

1. A method of making absorbent sheet from cellulosic fiber comprising the steps of:(a) depositing an aqueous cellulosic furnish on a foraminous support; (b) dewatering said furnish to form a cellulosic web; (c) applying said dewatered web to a heated rotating cylinder and drying said web to a consi

1. A method of making absorbent sheet from cellulosic fiber comprising the steps of:(a) depositing an aqueous cellulosic furnish on a foraminous support; (b) dewatering said furnish to form a cellulosic web; (c) applying said dewatered web to a heated rotating cylinder and drying said web to a consistency of greater than about 40 percent and less than about 80 percent; (d) creping said web from said heated cylinder at said consistency of greater than about 40 percent and less than about 80 percent, and optionally wet shaping said web wherein said web is rendered suitable for impingement-air drying; and (e) drying said web with an impinging heated gaseous medium subsequent to creping said web from said heated cylinder to form said absorbent sheet.