Systems and methods for providing shaped vacuum ports for fluid extraction vacuum box covers in papermaking systems
US10724176B2 · kind B2 · utility
0Cited by
8References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 28, 2018 |
| Grant date | Jul 28, 2020 |
| Priority date | — |
| Expiry date | Jun 28, 2038 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21F7/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A system is disclosed for removing fluids from a felt in a paper making process. The system includes a vacuum source for providing a vacuum adjacent a vacuum plate against the felt is moved, and crescent shaped openings in the vacuum plate through which the vacuum is applied to the felt for the removal of the fluids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.