Fibrous structures
US11408129B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2019 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | Apr 18, 2040 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H27/002
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A fibrous structure includes a plurality of discrete wet-formed knuckles extending from a pillow surface of the fibrous structure, wherein the plurality of discrete wet-formed knuckles are arranged in a pattern organized in an X-Y coordinate plane, each of the wet-formed knuckles of the pattern is included within a plurality of rows oriented in an X-direction and a plurality of rows oriented in a Y-direction, and each row in the X-direction is curved in a repeating wave pattern, wherein the repeating wave pattern has an amplitude and a wavelength, and wherein the amplitude is between about 0.75 mm and about 3.0 mm, and the wavelength is between about 25.0 mm and about 125.0 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.