Pulp fibrous accumulated sheet and method for producing pulp fibrous accumulated sheet
US12060665B2 · kind B2 · utility
0Cited by
20References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 30, 2019 |
| Grant date | Aug 13, 2024 |
| Priority date | — |
| Expiry date | Mar 7, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27N3/24
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Provided is a pulp fibrous accumulated sheet including: a liquid permeable pulp fibrous accumulated layer containing a crushed pulp or base-fibers mainly including a crushed pulp, and a binder; and a plurality of fiber crimped parts formed by compression and pressurization, the fiber crimped parts being formed so that crushed pulp fibers each straddling the adjacent fiber crimped parts are present.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.