Tissue impulse drying

Details Tissue impulse drying Tissue impulse drying

2005-03-01

2005-03-01

Fortuna, José A. (Department: 1731)

Paper making and fiber liberation

Processes and products

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

C162S205000, C162S109000, C034S400000, C034S444000

Reexamination Certificate

active

06860968

ABSTRACT:
A process for producing tissue webs is disclosed. More particularly, the present invention is directed to an improved process for drying webs. According to the present invention, a formed web still containing a substantial amount of moisture is passed through a nip formed between a press roll and a heated drum. When passed through the nip, the web is placed on a porous fabric. The web is then carried through the nip for a period of time and subjected to temperatures and pressures sufficient to create a steam front which travels through the web and expels a significant amount of moisture from the web through the porous fabric.

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