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US 7,686,923 B2Granted
Paper machine dewatering system
AssigneeVoith Patent GmbH
InventorsThomas Thoröe Scherb, Jeffrey Herman, Luiz Carlos Silva
Life of this patent
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Abstract
A paper machine dewatering system includes a first fabric, a second fabric, and an airflow device. The first fabric carries a fibrous web on a side thereof. The second fabric is in at least partial contact with the fibrous web, the fibrous web being between the first fabric and the second fabric. The airflow device moves air successively through the first fabric, the fibrous web, and the second fabric.
Claims24
A paper machine dewatering system, comprising:
- a permeable press belt;
- a first fabric including a first side and a second side, said first fabric carrying a fibrous web on said first side and being contacted on said second side by said permeable press belt, said first fabric being between said permeable press belt and said fibrous web;
- a second fabric in at least partial contact with said fibrous web, said fibrous web being between said first fabric and said second fabric, said permeable press belt exerting a predetermined amount of pressure on said second side of said first fabric;
- and
- an airflow device moving air successively through said permeable press belt, said first fabric, said fibrous web and said second fabric.
2 more elements
Dependencies are inferred from the claim text.