Multilayer creping belt having connected openings, methods of making paper products using such a creping belt, and related paper products
US11559963B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Aug 27, 2020 |
| Grant date | Jan 24, 2023 |
| Priority date | — |
| Expiry date | Mar 21, 2041 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H27/002
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An absorbent sheet made by a process that includes the steps of forming a nascent web from an aqueous papermaking furnish, and creping the nascent web on a multilayer belt that includes (i) a first layer made from a polymeric material having a plurality of overlapping openings, and (ii) a second layer attached to the first layer, with the nascent web being deposited onto a surface of the first layer. The absorbent sheet includes a plurality of hollow domed regions projecting from a side of the absorbent sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.