Method for dry-forming cellulose products from a cellulose blank structure in a product forming unit and a product forming unit
US12420517B2 · kind B2 · utility
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6References
23Claims
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Key dates
| Filing date | Apr 8, 2022 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Jun 5, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31B50/747
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Method for dry-forming cellulose products from a cellulose blank structure in a product forming unit. The product forming unit includes a blank dry-forming module and a pressing module. The cellulose blank structure is air-formed in the blank dry-forming module onto a forming wire. The pressing module includes one or more forming molds for forming the cellulose products from the cellulose blank structure in a pressing operation. The method includes arranging the forming wire in a stationary mode during the pressing operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.