Process and device for drying of a material web

Details Process and device for drying of a material web Process and device for drying of a material web

2005-07-12

2005-07-12

Halpern, Mark (Department: 1731)

Paper making and fiber liberation

Processes and products

Running or indefinite length work forming and/or treating...

C162S205000, C162S206000, C162S202000, C034S080000, C034S094000, C034S116000, C034S117000, C034S119000, C034S120000, C034S392000

Reexamination Certificate

active

06916405

ABSTRACT:
Process and apparatus for drying a material web. The process includes guiding the material web to at least one heated area having a jacket surface of a cylinder having a diameter of between about 4-10 meters, setting the material web, having a dry content of between about 45-55%, onto the at least one heated area, maintaining the material web in uninterrupted contact with the at least one heated area at least until the material web achieves a firmness sufficient for detaching the material web from the heated area, and detaching the material web from the at least one heated area with a dry content of between about 55%-65%.

REFERENCES:
patent: 3149025 (1964-09-01), Dickens
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patent: 3914875 (1975-10-01), Schiel
patent: 3981084 (1976-09-01), Sobota
patent: 4359827 (1982-11-01), Thomas
patent: 4361466 (1982-11-01), Wong et al.
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patent: 4467529 (1984-08-01), Candor
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patent: 6609043 (1972-02-01), None
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patent: 82/02937 (1982-09-01), None
English Language Abstract of WO 99/52707.

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