Manufacturing process for papermaking belts using 3D printing technology
US11752688B2 · kind B2 · utility
1Cited by
299References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2020 |
| Grant date | Sep 12, 2023 |
| Priority date | — |
| Expiry date | Aug 12, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB33Y10/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A papermaking belt including zones of material laid down successively using a 3D printing process. The zones include at least a pocket zone configured to form three dimensional structures in a paper web by applying vacuum to pull the paper web against the pocket zone. In at least one exemplary embodiment, the zone also include at least one vacuum breaking zone configured to limit an amount of paper fibers pulled through the pocket zone by the applied vacuum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.