Fabric crepe and in fabric drying process for producing absorbent sheet
US8226797B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2011 |
| Grant date | Jul 24, 2012 |
| Priority date | — |
| Expiry date | Mar 7, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249965
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of making a fabric-creped absorbent cellulosic sheet. A papermaking furnish is compactively dewatered to form a nascent web having an apparently random distribution of papermaking fiber. The dewatered web is applied to a translating transfer surface. The web is fabric-creped from the transfer surface at a consistency of from about 30 to about 60 percent utilizing a creping fabric, under pressure, in a fabric creping nip defined between the transfer surface and the creping fabric. The fabric is traveling a fabric speed that is slower than the speed of the transfer surface. The web is creped from the transfer surface and redistributed on the creping fabric to form a web with a drawable reticulum having a plurality of interconnected regions of different local basis weights. The web is dried and the web is drawn. The step of drawing the web preferentially attenuates the fiber-enriched regions of the web.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.