Fibrous structures
US11732420B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2022 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Jun 30, 2042 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H27/002
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A fibrous structure may include a plurality of wetformed knuckles or pillows, where the plurality of wet-formed knuckles or pillows may be arranged in a pattern organized in an X-Y coordinate plane, where the wet-formed knuckles or pillows of the pattern may form a plurality of rows oriented in an X-direction and a plurality of rows oriented in a Y-direction, and the plurality of rows in the X-direction may be curved in a repeating wave pattern, where the repeating wave pattern may have an amplitude and a wavelength, and wherein the amplitude may be between about 0.75 mm and about 3.0 mm, and the wavelength may be between about 25.0 mm and about 125.0 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.