Method of and an arrangement for adding at least one additional stock component to an approach flow system of a fiber web machine
US11459700B2 · kind B2 · utility
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1References
15Claims
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Key dates
| Filing date | Dec 18, 2020 |
| Grant date | Oct 4, 2022 |
| Priority date | — |
| Expiry date | Dec 18, 2040 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H23/20
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of and an arrangement for adding at least one additional stock component to an approach flow system (30) of a fiber web machine by mixing the at least one additional stock component to a fibrous stock such that the stock flow is equalized (50) and the at least one additional stock component is introduced to the stock flow by injection mixing (80).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.