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US 6,485,612 B1Granted
Air press assembly for use in a paper-making machine
AssigneeVoith Paper, Inc.
InventorEdwin X. Graf
Life of this patent
Estimating the term…
Abstract
A press assembly for use in a paper-making machine includes a roll, a first air press backing assembly and a second air press backing assembly. The first air press backing assembly and the second air press backing assembly each include an inner wall, an outer support structure and a plurality of inflatable hoses interposed between the inner wall and the outer support structure. The inner wall is positioned adjacent to and defines an air chamber with the roll.
Claims18
A press assembly for use in a paper-making machine, comprising:
- a roll;
- a first air press backing assembly including an inner wall, an outer support structure and a plurality of inflatable fluid hoses interposed between said inner wall and said outer support structure, said inner wall positioned adjacent to and defining an air chamber with said roll;
- and
- a second air press backing assembly including an inner wall, an outer support structure and a plurality of inflatable fluid hoses interposed between said inner wall and said outer support structure, said inner wall positioned adjacent to and defining an air chamber with said roll;
- wherein each air chamber is structured to be regulated to apply pressure against a fiber web for expressing moisture from the fiber web.
2 more elements
A paper-making machine, comprising:
- a roll;
- a first air press backing assembly including an inner wall, an outer support structure and a plurality of inflatable fluid hoses interposed between said inner wall and said outer support structure, said inner wall positioned adjacent to and defining an air chamber with said roll;
- a second air press backing assembly including an inner wall, an outer support structure and a plurality of inflatable fluid hoses interposed between said inner wall and said outer support structure, said inner wall positioned adjacent to and defining an air chamber with said roll;
- wherein each air chamber is structured to be regulated to apply pressure against a fiber web for expressing moisture from the fiber web;
- and
- a pair of felts carried by said roll, each said felt associated with a respective one of said first air press backing assembly and said second air press backing assembly.
3 more elements
Dependencies are inferred from the claim text.